crop-chem-docs/corpus/epa_ppls/524-471.md

# MON-8421 HERBICIDE

- EPA Reg No: **524-471**
- Registrant: BAYER CROPSCIENCE, LLC
- Signal word: Caution
- Active ingredients: Acetochlor (42.5%)
- Label accepted: 1996-02-01
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000524-00471-19960201.pdf

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US ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF PESTICIDES PROGRAMS
REGISTRATION DIVISION (TS-767J
. WASHINGTON, DC 20460
NOTICE OF PESTICIDE: ~REGISTR"'TION
D,_RER~G'STR'" TION ..
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(Under the Federb~ . .In~ect;cide, .Fun~'c;deJ "M'll "",
and Rodenticid~ ~ct~'as-~~m~~ded) ........ , ,,;.
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fIr. ,Roy G.Danhaus
~1Onsan to. Company
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NOTE: Changes in labeling formula differing in substance from that accepted in connection with this registration mu&l be
submitted to and accepted by the Registration Division prior to use of the label in commerce. In any correspondence on this
produclalways refer to the above U.S. EPA registration number.
On the basis of information furnished by the registrant, the above named pesticide is hereby Registered/Reregistered under
the Federallnsectici.de, Fungicide, and Rodenticide Act.
A copy of the labeling accepted in connec'.. .. on with this Regislration/Reregistration is returned herewith.
Registration is in no way to be construed as an indorsement or approval of this product by this Agency. In order to protect
health and the environment. thE' Administrator, on his motion, may at any time suspend or cancel the registration of a pest
icide in accordance with th{' Act. ThE' acceptance of any name in canOf"ction with the registration of a product under this
Act is not to be construed as giving the TE:'gistrant a right to exclusive usc of the name or to its USt"> if it has been covered
by others.
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dissipation study.
BEST COpy AVAILABLE o ATTACHMENT IS APPLICABLE '
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BE USED UNTIL SUPPLy IS EXHAUSTED.
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e. ())nsult with the, Groundwater Technology Section to determine is
additional gr~dwater monitori~g data are necessary.
t. Provide . information to satisfy the Spray Drift Data requirements once
information from the Spray Drift Task Porce ia available.
2. 9lblait and/or cite all data required for the regiatratim/reregiatratioo
of your prO<ilct under PIFRA aec. 3 (c) (S) and sec. 4 when the Agency requires all
registrants of ailllilar prociJcts to submi t such data.
3. Add the phrase, "EPA Registration No. S24-471" to your label before you
release the produc~ for shipment.
4. Sll::mit three (3) copies of your final printed labeling before you
release the product for shipment.
If these cmditions are not complied with, the registratioo will be subject
to cancellation in accordance with FIFRlt sec. 6(e). Your release for shipment of
the product cmstitutes acceptance of these conditions.
A stamped copy of labeling is enclosed for your records.
BeST COpy AVAILABLE
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RESTRICTED OSE PESTICIDE
due to oncogenicity. For retail sale to and use only by Certified Applicators
or persons under their direct supervision and only for those uses covered by
the Certified Applicator's certification.
!«>N-8421 e ~CCEPTED
FEB I 1996 HERBICIDE
BY MONSANTO
U .... 1be FM.ai b .. x'ct' •
...... dd~ IIDClla d Veld. Act.
CII _'Sod d ,. 1M p t'chl0
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_ &.g. Ko. .IJJ-4 - '171
MON-8t21· i. a preemergence herbicide for weed control in Field Corn,
Pro ~ction Seed Corn, Silage Corn and Popcorn.
In ca.e of an emergency involving this product or for u.er .afety iDfozmat1on
on this product, Call Collect, day or night (31t) 6g'-tOOO.
Complete Direction. for 0 ••
®Registere.:.i trademark of Monsanto Company
EPA Reg. No. 524-XXX
1995-1 36GG8S:l i/CC
Read each of theae aectiona of thia label for e.aential product performance
information.
PRECAUTIONARY STATEMENTS
GENERAL INFORMATION
USE RESTRICTIONS
MIXING, SPRAYING, AND
HANDLING INSTRUCTIONS
APPLICATION INrORMATION
CULTIVATION INFORMATION
WEED CONTROL WITH MON-8421®
HON-B421.REl
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Read the entire label before using this product.
Use only according to label instructions.
Read "LIMIT OF WARRANTY AND LIABILITY" before buying or uslng. If terms are
not acceptable, return at once unopened.
REFORMULATION IS PROHIBITED.
LIMIT OF 1IlUlRAN'l'Y AND LlABILITI
This Company warrants that this product conforms to the chemical description
on the label and is reasonably fit for the purposes set forth in the Complete
Directions for Use label booklet ("Directions") when used in accordance with
those Directions under the conditions described therein. NO OTHER EXPRESS
WARRANTY OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR
MERCHANTABILITY IS HADE. This warranty is also subject to the conditions and
limitations stated herein.
Buyer and all users shall promptly notify this Company of any claims whether
based in contract, negligence, strict liability, other tort or otherwise.
Buyer and all users are responsible for all loss or damage from use or
handling which results from conditions beyond the control of this Company,
including, but not limited to, incompatibility with products other than those
set forth in the Directions, unusual weather, weather conditions which are
outside the range considered normal at the application site and for the time
period when the product is applied, as well as weather conditions which are
outside the application ranges set forth in the Directions, application in any
manner not explicitly set fnrth in the Directions, moisture conditions outside
the moisture range specified in the Directions, or the presence of products
other than those set forth in the Directions in or on the soil, crop or
treated vegetation.
THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE LIMIT OF THE LIABILITY OF
THIS COMPANY OR ANY OTHER SELLER FOR ANY AND ALL LOSSES, INJURIES OR DAMAGES
) RESULTING FROM THE USE OR HANDLING OF THIS PRODUCT (INCLUDING CLAIMS BASED IN
CONTRACT, NEGLIGENCE, STRICT LIABILITY, OTHER TORT OR OTHERWISF.) SHALL BE THE
PURCHASE PRICE PAID BY THE USER OR BUYER FOR THE QUANTITY OF THIS PRODUCT
INVOLVED, OR, AT THE ELECTION OF THIS COMPANY OR ANY OTHER SELLER, THE
REPLACEMENT OF SUCH QUANTITY, OR, IF NOT ACQUIRED BY PURCHASE, REPLACEMENT OF
SUCH QUANTITY. IN NO EVENT SHALL THIS COMPANY OR ANY OTHER SELLER BE LIABLE
FOR ANY INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES.
Buyer and all users are deemed to have accepted the terms cf this LiMIT OF
WARRANTY AND LIABILITY which may not be varied by any verbal or written
agreement.
MON-8421.RE:1 2 1119/95
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APPENDIX
APPLICATION INFORMATION
BAND TREATMENT
GROUND BROADCAST TREATMENT
APPLICA'rION WITH
DRY BULK FERTILIZER
APPLICATION TIMING AND METHODS
DIR~CTIONS FOR USE
CORN, FIELD CORN, PRODUCTION SEED CORN,
MON-8421
MON-8421 + Atrazine
MON-8421 + Banvel or Clarity
MON-8421 + Bladex
MON-8421 + Extrazine II
MON-8421 + Marksman
MON-8421 + 'l'rincep
MON-8421 + Prowl
MON-8421 + Pursuit
MON-8421 + Atrazine + Bladex
MON-8421 + Atrazine + Prowl
MON-8421 + Bladex + Prowl
SILAGE CORN AND POPCORN
CONSERVATION OR MINIMUM TILh~GE SYSTEMS
At-Planting Applications
MON-8421
MON-8421 + Atrazine
MON-8421 + Bladex
MON-8421 + Extrazine II
MON-8421 + Princep
MON-8421 + P1.Jrsuit
MON-8421 + Atrazine + Bladex
MON-8421 + Atrazine +
Early-Preplant Applicatjons
MON-842J
MON-8421 + Atrazine
DISPOSAL
FLUID FERTILIZER COMPATIBILITY TEST
GE~ERAL INFORMATION
INGREDIENTS
LIM1T OF WARRa.NTY AND LIABILITY
MIXING, SPRAYING, AND HANDLING
INSTRUCTIONS
PRECAUTIONARY STATEMENTS
SOIL TEXTURE
WEEDS CONTROLLED WITH MON-8421
MON-8421.REI 3
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PRECAUTIONARY STATEMENTS
Hazards to Humans and Domestic Animals
Keep out of reach of children.
CAUTION!
CAUSES MODERATE EYE IRRITATION.
HARMFUL I F INHALED
Avoid contact with eyes or clothing. Prolonged or frequently repeated skin
contact may cause allergic reactions in some individuals. Wash thoroughly with
soap and water after handling. Avoid breathing vapor or spray mist. Remove
contaminated clothing and wash contaminated clothing before reuse.
FIRST AID: IF IN EYES, immediately flush eyes with plenty of water. Get
medical attention if irritation perSists.
IF INHALED, remove victum to fresh air. If not breathing, give artificial
respiration, preferably mouth-to-mouth. Get medical attention.
Peraonal Protective Equipment
Applicators and other handlers must wear: long-sleeved shirt and long pants,
and shoes plus socks.
Follow manufacturer's instructions for cleaning/maintaining PPE. If no such
instructions for washables, use detergent and hot water. Keep and wash PPE
separately from other laundry.
When handlers use clos~d systems, enclosed cabs, or aircraft in a manner that
meets the requirements listed in the Worker Protection Standard (WPS) for
agricultural pesticides [40 r.FR 170.240(d) (4-6)J, the handler PPE requirements
may be reduced or modified as specified in the WPS.
Oaer Safety Recommendationa:
User should:
Wash hands before eating, drinking, chewing gum, using tobacco, or using the
toilet.
Remove clothing immediately if pesticide gets inside. Then wash thoroughly and
put on clean clothing.
Remove PPE immediately after handling this product. Wash the outside of
gloves before removing. As soon as pOSSible, wash thoroughly and change into
clean clothing.
MON-B421.RE1
In case of an emergency involving this product,
Call Collect, day or night, (314) 694-4000.
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Environmental Hazards
This product is toxic to fish. Do not apply directly to water, or to areas
where surface water is present or to intertidal areas below the mean high
water mark. Do not contaminate water when disposing of equipment washwaters.
This chemical demonstrates the properties and characteristics associated with
chemicals detected in ground water. The use of this chemical in areas where
soils are permeable, particularly where the ground water is shallow, may
result in ground water contamination.
A~etochlor has properties that may result in surface water contamination via
dissolved runoff and runoff erosion. Practices should be followed to minimize
the potential for dissolved runoff and/or runoff erosion.
ACTIVE INGREDIENT:
* Acetochlor ............................................................. 42.5%
INERT INGREDIENTS ....................................................... 57.5%
100.0%
*Contains 480 grams/litre or 4.0 pounds/gallon of 2-chloro-N-ethoxymethyl-N
(2-ethyl-6-methylphenyl) acetamide.
U.~. Patent No. 4,256,481. Other patents pending. No license is granted
under any non-U.S. patents.
DIRECTIONS FOR USE
It is a violation of federal law to use this product in any manner
inCull~i"5tent with its labeling. For any requirements specific to your State or
Tribe, consult the agency responsible for pesticide regulation.
AGRICULTURAL USE REQUIREMENTS
Use this product only in accordance with its labeling and with the Worker
Protection Standard, 40 CfR part 170. This Standard contains requirements for
the protection of agricultural workers on farms, forests, nurseries, and
greenhouses, and handlers of agricultural pesticides. It contains
requirements for training, decontamination, notification and emergency
assistance. It also contains specific instructions and exceptions pertaining
to the statements on this label about personal protective equipment (PPE) and
restricted-entry interval. The requirements in this box only apply to uses of
this product that ar.e covered by the Worker Protection Standard.
Do not
either
during
apply this product in a way
directly or through drift.
application.
that will contact workers or other persons,
Only protected handlers may be in the area
Do not enter or allow worker entry into treated areas during the restricted
entry interval (REI) of 12 hours. Exception: if the product is soil-injected
or soil-incorporated, the Worker Protection Standard, under certain
circumstances, allows workers to enter the treated area if there will be no
contact with anything that has been treated.
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PPE required for early entry to treated areas that is permitted under the
Worker Protection Standard and that involves contact with anything that has
been treated, such as plants, soil, or water, are: coveralls, waterproof
gloves and shoes plus socks.
For more product info~mation, call toll-free 1-800-332-3111.
Storage and Disposal
Do not contaminate water, foodstuffs, feed or seed by storage or disposal.
DISPOf~: Wastes resulting from the use of this product that cannot be used or
chemically reprocessed should be disposed of in a landfill approved for
pesticide disposal or in accordance with applicable Federal, state or local
procedures.
Emptied container retains vapor and product residue. Observe all labeled
safeguards until container is cleaned, reconditioned, or destroyed.
(See the individual container label for disposal information.)
GENERAL INFOIUO.TION
MON-9421® herbicide is recommended for control of yellow nut~edge and the
an~ual grasses and broadleaf weeds listed in the "WEEDS CONTROLLED" section of
this label. This product will not control emerged seedlings. This product
may be applied either as a surface application before or after planting or
shallowly incorporated prior to planting to blend the herbicide treatment into
the upper 1 to 2 inches of soil. Except for minimum or conservation tillage
systems, the seedbed should be fine, firm and free of clods and trash.
Read and carefully observe precautionary statements and all other infoL~tion
appearing on the labeling of all products used in mixtures and sequential
treatments.
USE RESTRICTIONS
This chemical demonstrates the properties and characteristics associated with
chemicals detected in ground water. The use of this chemical in areas where
soils are permeable, particularly where the ground water is shallow, may
result in ground water contamination. Do not apply to the following soils if
ground water depth is 30 feet or less: sands with less than 3% organic
matter; loamy sands with less than 2% organic matter; or sandy loams with less
than 1% organic matter.
This product may not be mixed or loaded within 50 feet of any wells (including
abandoned wells and drainage wells), sink holes, intermittent streams and
rivers, and natural or impounded lakes and reservoirs. This setback does not
apply to properly capped or plugged abandoned wells and does not apply to
impervious pad or properly diked mixing/loading areas.
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Operations that involve mixing, loading, rinsing, or washing of this product
into or from pesticide handling or application equipment or containers within
50 feet of any well are prohibited unless conducted on an impervious pad
constructed to withstand the weight of the heaviest load that may be
positioned on or moved across the pad. Such a pad shall be designed and
maintained to contain any ~roduct spills or equipment leaks, container or
equipment rinse or washwater, and rainwater that may fallon pad. Surface
water shall not be allowed to either flow over or from the pad, which means
the pad must be self contained. The pad shall be sloped to facilitate
material removal. An unroofed pad shall be of sufficient capacity to contain
a minimum of 110% of the capacity of the largest pesticide container or
application equipment on the pad. A pad that is covered by a reof of
sufficient size to completely exclude precipitation from contact with the pad
shall have a minimum containment capacity of 100% of the capacity of the
largest pesticid~ container or application equipment on the pad. Containment
capacities as described above shall be maintained at all times. The above
specified minimum containment capacities do not apply to vehicles when
delivering pesticide shipments to the mixing/loading site. States may have in
effect additional requirements regarding wellhead setbacks and operational
containment.
Do not flood irrigate to apply or incorporate this product.
Product must be used in a manner which will prevent back siphoning into wells,
spills or improper disposal of excess pesticide, spray mixtures or rinsates.
Do not apply this product through any type of irrigation system.
D~sposal of excess pesticide, spray mixtures or rinsate should be according to
label use instructions or according to the State Pesticide or Environmental
Control Agency or the Hazardous Waste representative at the nearest EPA
regional office.
Do not apply under conditions which favor runoff or wind erosion of soil
containing this product to non-target areas. To prevent off-site movement due
to runoff or wind erosion:
Avoid treating powdery dry or light sandy soils when conditions are favorable
for wind erosion. Under these conditions, the soil surface should first be
settled by rainfall or irrigation.
Do not apply to impervious substrates such as paved or highly
compacted surfaces or frozen or snow covered soils.
Do not use tailwater from the first flood or furrow irrigation of
treated fields to treat non-target crops unless at least 1/2 inch of
rainfall has occurred between application and the first irrigation.
Do not apply this product using aerial application equipment.
Do not apply when wind conditions favor drift to non··target sites. To
minimize spray drift to non-target areas:
Use low pressure application equipment capable of producing a
large droplet spray. Do not use nozzles that produce a fine
droplet spray. Minimize drift by using sufficient spray volume to
ensure adequate coverage with large droplet size sprays.
MON-8421.R81 7 11/9/95

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Keep ground driv-::n spray boom as low as possible above the target
surface.
Hake application when the wind velocity favors on-target product
deposition (approximately 3-10 mph). Do not Lpply when wind velocity
exce·'_dS -'.5 mph. Avoid application when gusts approach 15 mph.
Low r",.illIi,,': ty and high temperatures increase the likelihood of spray
dritc ~c ~ensitive areas. Avoid spraying during conditions of low
humidity and/or high temperatures. Do not apply during inversion
conditions.
Use of this product not consistent with this label may result
persons, animals or crops, or other unintended consequences.
closed to prevent spills and contamination.
in injury to
Keep container
Flush sprayer with clean water. after use.
Do not rotate to crops other than soybeans, corn (all types including sweet
corn), milo (sorghum), wheat, or tobacco.
Applicators should evaluate soil conditions carefully to assure that they
choose the correct label rate.
The recori'mended use rates of this product and the other herbicides labeled for
use in tank mixtures with this product vary with soil texture. Unless soil
texture is specifically named, rate tables throughout this label refer to only
three scil textural groups: coarse, medium and fine. The following is a
complete listing of soil textures included in each of these three soil
textural groups:
SOIL TEXTURAL GROUP SOIL TEXTURE
COARSE: sand, loamy sand, sandy loam
MEDIUM: loam, silt loam, silt, sandy cl~y loam
FINE: silty clay loam, clay loam, sandy clay, silty clay, clay
Refer to the above table to determine the corresponding soil textural group
for the soil to be treated.
MIXING, SPRAYING AND HANDLING INSTROCTIONS
NOTE
Direct contact or exposure to this product or spray mixtures of this product
should be minimized. The following instructions for transfer, mixing,
cleaning or repairing equipment should be followed in order to minimize this
exposure. Review the protective clothing requirements as listed in the
"PRECAUTIONARY STATEMENTS" section of this label (front panel) and do not use
this product until you have the necessary protective clothing.
MON-B421.REl B 11/9/95
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2.5 Gallon Containers
Open pouring from these containers can result in exposure from splashing or
spilling. Special care in lifting and pouring are strongly recommended.
Bulk Containers
Open pouring from these containers can result in exposure from splashing or
spilling and is not recommended. This product should be transferred from
these containers to the mix or spray tank using pumps or transfer probes. The
probe or pump should not be removed from the container or disconnected until
the container is emptied and rinsed. Use the pump or probe system to rinse
the empty container and transfer the rinsate directly to the mix or spray
tank.
Equipment Cleaning , Repair
Cleaning and repair of transfer systems and application equipment is a source
of exposure to this product. Care should be taken to minimize exposure during
cleaning and repair of transfer systems and application equipment. Whenever
possible, these systems or equipment should be rinsed before being cleaned or
repaired.
When repairs must be made during transfer or application, the equipment should
be shut down, and special care taken to avoid contact with the pesticide.
Always p~edetermine the compatibility of this product or labeled tank mixtures
of this product witr \<later carrier or sprayable fluid fertilizer carrier by
mixing small proportional quantities in advance. See the "STANDARD SPRAYABLE
FLUID E"ERTILIZER COMPATIBILITY TEST" section in this label to determine the
compatibility of this product and the labeled tank mixt~res recommended for
use with snrayab!e fluid fertilizer carrier.
Mix this product or labeled tank mixture of this product with the appropriate
carrier as follows:
1. Place a 20 to 35 mesh screen or wetting basket over filling port.
2. Through the screen, fill the sprayer tank one-half full with the
appropriate carrier.
3. If a compatibility agent is necessary to improve mixing or to prevent
the formation of undesirable and unsprayable gels or precipitates, while
agitating add it to the carrier already in the tank. Use only
compatibility agents cleared by FDA for this use. Read and follow all
directions for use, cautionary statements and all other information
appearing on the selected compatibility agent label. Check for adequate
agitation.
4. If a wettable powder or dry flowable formulation is 1l~"C1, make a slurry
with water and add it slowly through the screen into the tank. Continue
agitation.
5. If a flowable formulation is used, add slowly through screen into the
tank. Mixing and compatibility may be improved when flowable is pre
mixed one part flowable with one part water and added to the tank in
diluted form.
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6. Add this product slowly through the screen into the tank. Mi~ing and
compatibility may be impr~ved when this product is prediluted with two
parts of water and added to the tank in diluted form.
7. Complete filling the sprayer tank with carr.ier. If Roundup® or Gramoxone
TV Extra is used, add the required amount near the end of the filling
process. Remove hose from tank immediately after filling to avoid
siphoning back into the carrier source.
Maintain good agitation at all times until the contents of the tank are
sprayed. NOTE: If spray mixture is allowed to settle at any time, thorough
agitation is required to resuspend the mixture befo~e spraying is resumed.
Keep by-pass line on or near bottom of tank to minimize foaming. Screen size
in nozzle or line strainers should be 50 mesh. Carefully select proper nozzle
to avoid spraying a fine mist. Check for even distribution of spray droplets.
To reduce l~ss of the chemical due to drift of a fine mist, apply at nozzle
pressures below 40 psi.
STANDARD SPRUABLE FLUID FERTILIZER
COMPATIBILITY TEST
Herbicides may not always mix evenly throughout a sprayable fluid fertilizer
or the components may separate too quickly to make their combined use of
practical value. This may be d'Je to certain characteristics of the different
fluid fertilizers. A simple test using small quantities of the components is
suggested to provide compatibility potential.The test follows:
A. Materiala Required For A CD."I1plltihility Teat
1. Two one-quart jars with lid or stopper (marked "with" and "without").
2. TEAspoons (for a more exacting test, a five to ten milliliter (rnl.)
pipette or graduated cylinder is desirable).
3. Sprayable fluid fertilizer to be tested.
4. The herbicide chemicals to be mixed.
5. A compatibility agent (the purpose of the adjuvant is to help keep the
fertilizer and crop protection chemical in suspension, if this
assistance is needed).
B. Procedure
1. Add one pint of the sprayable fluid fertilizer that will be used or
other herbicide carrier to each jar marked "with" and "without" a
WITH
MON-8421.REl
Add One Pint Liquid Fertilizer
To Two Quart Jars.
10
WITHOUT
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2. To the jar marlced "with", add 1/4 TEAspoor. or 1.2 milliliters of a
suitable compatibility agent; shake gently for five to ten seconds to
mix. (1/4 Teaspoon in one pint is the equivalent of two pints per 100
gallons of liquid fertilizer.)
WITH
To Jar Marked "With"
Add Compatibility Agent
And Shake to Mix.
WITHOUT
3. To each jar add the appropriate amount of herbicide(s). If more than one
is used, add them separately with the wettable powders or dry flowables
added first, flowables second and liquid last. Shake gently five to ten
seconds after each addition.
WITH
HERBICIDE
Wettable
Powders
or
Dry Flowables
HERBICIDE
Ernulsi Hable
Concentrates or
Flowables or
Liquids or
Solutions
Add Herbicide(s) To Both Jars
And Shake to Mix.
RATE/A
1 lb.
2 lb.
3 lb.
.; lb .
5 lb.
RATE/A
1 pint =
1 quart =
2 quarts
3 quarts =
1 gallon =
5 quarts =
WITFOUT
Amount t., Be
Added Per ?int of
Sprayable Fluid Fertilizer
(Assuming Volume is 25 gal/A)
TEAspoons
0.5
1
2
3
4
5
Level
TEAspoons
1.5
3
4.5
6
7.5
Level
Millili ten
or 2.4
or 4.7
or 9.5
or 14 .2
or 19.0
or 23.8
This compatibility test is designed for 25 gallons of spray per acre with the
maximum li'.beled rate of herbicide. For changes in spray volume or herbicide
rate, make appropriate changes in the ingredients of the test. Regardless of
spray volume, th~ amount of compatibility agent should be equal to two or
three pints (two pints = 1/4 TEAspoon or 1.2 milliliters, three pints - 3/8
TEAspoon or 1.8 milliliters per pint of sprayable fluid fertilizer) per 100
gallons of liquid fertilizer.
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C. Oba.xv.tiona and Deciaiona
1. If the herbicide(s) and the sprayable fluid fertilizer are compatible.
2. If a compatibility agent is necessary.
Five minutes after the final addition and mixin'h observe bo~h jars for the
formation of large flakes, sludge, gels or other precir,itates. Observe if the
herbicide(, cannot be physically mixed with the liquid fertilizer but remains
as small oily particles in the solution.
If incompatibility in any form described above occurs in the jar "with" the
compatibility agent added, the liquid fertilizer and the herbicide(s) should
not be used together in the same spray tank.
If incompatibility as described above occurs in the jar "without" the adjuvant
but not in the jar "with" adjuvant, the use of a compatibility adjuvant is
recommended.
Bot~ jars should be allowed to stand and be obseeved periodically for one-half
hour. If the separate layers of liquid fertilizer and additives can be
resuspended by shaking, c()lllmercial application is possible. An emulsifiable
concentrate normally will go to the top after standing; wettable powders will
either settle to the bottom of the tank or jar, or float to the top, depending
upon the density of the fertilizers.
If the herbicide(s) is compatible with fluid fertilizer in the foregoing test
without having to use a compatibility agent, fluid fertilizer may be used for
the premixing. If it is not compatible without the compatibility agent, the
herbicide(s) should be premixed with water before adding to the spray tank.
APPLICATION INFORMATION
APPLICATION SYSTEMS
Ground Broadc •• t Treatment--Apply this product and the labeled tank mixtures
in 10 or more gallons of solution per acre using broadcast boom equipment. The
carrier may be either water or sprayable fl'lid fertilizer as specified for the
crop to be treated in the "DIRECTIONS FOR USE" section of this label. Do not
apply during periods of gusty winds, when winds are in eXcess of 15 mph or
when other conditions favoring drift exist.
Band Tre.tment--Apply a broadcast equivalent rate and volume per acre. To
determine these:
Band width
in inches
Row width
in inches
Band width
in inches
Row width
in inches
x
x
Broadcast
RATE
per acre
Broadcast
VOLUME
per acre
=
=
Band RATE
per acre
Band VOLUME
per acre
Application with dry bulk fertilizer--The herbicide-fertilizer impregnation
process (In-Plant and On-Board systems) must be completed only by commercial
fertilizer or chemical dealerships properly equipped for this procedure.
MON-8421.REI 12 11/9/95
------------~.:..:.......:...:..:.......:...:..:.......:..-.:.:..:. ".:.:..:" .:.:::"-::::"'::::-'::::-=-=--==_.=.-. .:.:..:-.. .:.:..: ... _= .... =', ...... _ .. _--............. "

)
)
Contact Monsanto Company for additional information regarding recommended
equipment and methods for herbicide-fertilizer impregnation applications.
/5':; 5Lf
Dry bulk fertilizer may be impregnated with this product or the tank mixtures
of this product plus atrazine or this product plus Bladex1M on corn. This
product and these tank mixtures must be applierl with 200 to 450 pounds of dry
bulk fertilizer per acre and shallowly incorporated within 14 days prior to
planting. On medium and fine-textured soils in areas where soil incorporation
is not planned, i.e., reduced tillag~ situations or in some conventional
tillage situations, applications can be made up to 30 days before planting to
allow moisture to move the hebicide-fertilizer mixture into the soil. On
coarse-textured soils, applications can be made up to 14 days prior to
planting. The herbicide must be applied as recommended in this label for the
crop, weed and soil type treated. Refer to the table for broadcast rate per
acre to determine the recommended rate pe~ acre for the herbicide treatment to
be applied.
The following table provides a reference to dete~ne the amount of LIQUID
r.erbicide to be mixed per ton of dry bulk fertilizer for a range of herbicide
recommendations for fertilizer rates per acre:
RECOMMENDED PINTS
LIQUID HERBICIDE/ACRE
Fertilizer Acres 3.5 4 4.75
Rate Covered (Pints of Her'bicide/Ton
(Lb/Acre) (Per Ton) Dry Bulk Fertilize:::)
200 10 20 22.5 27.5
250 e 16 18 2<:
300 6.7 13.4 15 16.4
350 5.7 11.4 12.8 15.7
400 5 10 11.3 13.8
450 4.5 9 10.1 12.4
To determine the amount of herbicide needed for rates not included in the
preceding table, use the following formula:
Recommended Herbicide Rate
Pints/Acre X 2000
Pounds Fertilizer/~cre =
Pints of herbicide
per ton of dry bulk fertilizer
With the In-Plant system, mix and blend the dry f.ertilizer and herbicide
mixture in a closed rotary-drum type mixture allowing sufficient time to
ensure uniform coverage. Use at least one ton of dry fertilizer per mixing
operation. Inject the herbicide into the drum over a minimum of a 2-minute
period and allow at least 2 additional minutes mixing time to ensure
uniformity. The nozzle used to spray the herbicide treatment must be placed
inside the mixer to provide uniform spray coverage of the tumbling fertilizer.
If the dry fertilizer used has inadequate absorptive capacity, use a higher
absorptive materi~l such as Agsorb lV , MP-79lV or Microcel TW E, to provide a
free-flowing mixture. Contact Monsanto Company for specific guidelines with
regard to the sequence of addition for the varios componenets and the amount
of drylng agent to add to provide a free-flowing mixture.
MON-6421.REI 13 11/9/9~
'------_ ... _"'_._._-------'---------------_._._-_._-------_ ... --....................... ..

)
16 ~
The following table provide" a partial list of dry fertilizers which may be
impregnated with this product or tank mixtures of this product with other
herbicides:
Fertilizer
Ammonium sulfate
(21-0-0)
Ammonium
phosphate-sulfate
(16-20-0)
Diammoniwn
phosphate
(18-46-0)
Potassium chloride
( 0-0-60)
Potassium sulfate
(0-0-52)
Single super-phosphate
(0-20-0)
Treble super-phosphate
(0-46-0)
MON-842l®
Yes
Yes
Yes
Yes
Yes
Yes
Yes
MON-842l
+
ATRAZINE
Yes
Yes
Yes
Yes
Yes
No
No
MON-842l
+
BLADEX
Yes
Yes
Yes
Yes
Yes
No
No
, 'Urea (46-0-0) Yes Yes Yes ,
'Some ureas may be phytotoxic when applied on corn. Use only ureas known to
be safe to corn.
NOTE: DO NOT impregnate this product or tank mil. ~ures of this product with
other herbicides on fertilizers containing ammonium nitrate, potassium
nitrate or sodium nitrate.
Spread the herbicide-dry fertilizer mixture uniformly with a properly
calibrated applicator: dribble, pneumatic (air flow) or spin. When using spin
applicators, fertilizers impregnated with this product or tank mixtures of
this product with other herbicides must be spread at half-rate and overlapped
100 percent to obtain full rate and uniform distribution. Non-uniform
spreading of the fertilizer-herbicide mixture may result in unsatisfactory
weed control or crop injury.
MON-8421.REI 14 11/9/95

)
I~
APPLICATION TIMING AND MZTBODS
Early Preplant Sur~aoe--This product and some labeled tank mixtures of this
product may be applied in no-till and other conservation tillage systems
before weeds emerge and up to 45 days before planting field corn or silage
corn. Split applications can be made 30 to 45 days prior to planting with 60
percent of the recommended broadcast rate applied initially and the remaining
40 percent applied at planting. Applicacions made les~ than 30 days prior to
;~anting can be made either as a split o.~ as a single application. If weeds
are present at the time of application, apply this product in tank mixture
with an appropriate contact herbicide. Observe directions for use,
precautions and restrictions on the label of the contact herbicide. During
the planting operation, be careful not to move untreated 30il to the surface
or move treated soil out of the row, as weed control may be reduced.
Preemerqence Surface Application--This product and all labeled tank mixtures
may be applied to the soil surface after planting and prior to either crop or
weed emergence. Apply within 5 days of last preplant tillage. If weeds emerge
after treatment, or if treatment is applied more than 5 days after last
preplant tillage, rotary hoe or shallowly cultivate immediately to improve
perfo.~nce. Precipitation or overhead sprinkler irrigation is required aft~r
application to move the herbicide treatment into the weed germination zone.
The amount of precipitation or overhead sprinkler irrigation required depends
on existing soil mixture, soil type and percent organic matter content., but
1/4 to 3/4 inch is normally adequate. Per.formance is improved when moisture
is received within 7 days after application and prior to weed emergence. High
intensity or excessive rainfall or excessive irrigation after application may
reduce control.
Preplant Incorporation--This product and many of the labeled tank mixtures may
be mixed into the soil using shallow incorporation equipment any time within
14 days prior to planting. Apply the recommended treatment rate to the soil
surface as a broadcast application. Either existing soil moisture or
subsequent precipitation or irrigation is required to bring incorporated
herbicide treatments into contact with germinating weed seedlings. If weeds
emerge after treatment, rotary hoe or shallowly cultivate immediately to
improve performance.
1-Pa •• Incorporation (Surface Blend™): Shallowly incorporate (Surface Blend)
the treatment into the upper 1 to 2 inches of the soil. Equipment should be
operated at manufacturer's designed speed for incorporation to ensure adequate
mixing and distribution of the herbicide treatment in the soil. Equipment
design including any drag attachments must be adequate to avoid soil ridging
which may result in streaked or reduced weed control. Soil conditions,
including moisture content and crop residue levels, must be suitable to allow
thorough and uniform mixing with the equipment used for 1-pass incorporation.
MON-8421.REI 15 11/9/95
~--- ~----- .".,,-- .-.-------- ..... -----------~.~ ....... -.-.-.-~--~-.-.~, .. "' ............... '".-.,_._~_., .,. "., ..

) ,
)
Contact Monsanto Company for additional information regarding recommended
equipment and methods for Surface Blend Application.
2-Pa •• Incorporation: When 2-pass incorporation is used, shallowly incorporate
the herbicide treatment into the upper 1 to 2 inches of the soil with
equipment set to work the soil NO DEEPER THAN 4 INCHES. The second pass must
be made at an angle to and no deeper than the first pass to ensure proper
distribution of the herbicide treatment in the soil.
CUltivation Intormation--Delay cUltivation after application for as long as
possible unless weeds or grasses emerge. Shallowly cultivate or rotary hoe
immediately if weeds or grasses emerge. If cultivation is necessary because of
soil crusting or compaction, set equipment shallow and minimize lateral soil
movement to avoid dilution or displacement of the herbicide treatment. If a
band application is used and weeds have emerged in the treated band, set
cultivator to throw soil into the row covering the band.
WEEDS CONTROLLED
When applied as dL..:ected under conditions described, this product and tank
mixtures of this product will control or reduce competition from the weeds
listed.
NOTE: C = Control R = Reduced Competition
ANNUAL GRASSES
MON-8421® plus
MON-8421 ATRAZINE BANVEL'" BLADEX'" PRINCEP'" PURSUIT'"
or CLARITY""
Barnyardgrass C C C C C C
Crabgrass C C C C C C
Crowfootgra~~ C C C C C C
Cupgra!S!l, prairie C C C C C C
Cupgrass, woolly! C C C C C C
Foxtail: giant, qreen, C C -: c c C
robust purple, robust
White, yellow
Goosegrass C C C C C C
Johnsongrass, seedling R R R R R C
Millet, fox tap R R R R R R
Millet, proso R R R R R R
Oat, wild R C R C C R
Panicum: browntop, fall C C C C C C
Panicum, Texas R R R R R R
Rice, red C C • C C C
Sandbur, Grassbur R R • R R R
Shattercane, wildcane 2 R R • R R R
Signalgrass, broadleaf C C C C C C
Sprangletop, red C C C C C C
Wheat, volunteer R C R C C R
Witchgrass C C C C C C
MON-8421.REl 16 11/9/95

)
ANNUAL BROADLEAVES
HON-8421~ plus
HON-842l ATRAZINE BANVEL'" BLADEX'" PRINCEP'"
or CLARITY'"
Beggarweed, Florida
Carpetweed
Cocklebur 3
Galinsoga
Groundcherry, annual
Groundcherry, cutleaf
Henbit
JiID.!Sonweed B
Kochia 4
Lambsquarters S
Morningglory3: tall,
pitted, ivylea:,
entireleaf, smallflower
Mu~tard
Nightshade: black, ha~ry
Pigweed, Carelessweed
Purslane
Pusley, Florida
Ragweed, common 5
Ragweed, giant 3
Sicklepod
Sida, prickly; Teaweed
Smartweed
Starbur, bri~tly
Sunflower, commmon3 ,8
Velvetlelf, Buttonweed 6 ,e
Waterhemp
SEDGE
Nutsedge, yellow 7
R
C
•
C
•
R
C
R
R
C
•
•
C
C
C
C
C
•
•
R
R
R
•
R
C
c
C
C
C
C
C
C
C
C
C
C
C
c
C
C
C
C
C
C
C
C
C
C
C
C
C
C
•
C
C
C
•
•
•
C
R
C
C
C
C
C
C
C
•
•
C
•
R
C
C
c
C
C
C
• c
C
C
C
C
C
c
c
C
C
C
C
C
C
C
C
C
C
C
C
c
•
C
R
C
•
C
C
R
C
C
C
c
c
C
C
C
C
C
R
C
C
R
R
R
C
C
11:; SLf
PURSUIT'"
R
C
R
C
•
R
C
C
C
C
R
c
C
C
C
C
C
R
•
C
C
•
C
C
C
C
'Use 5.25 to 6 pints per acre of this product applied alone or in tank-mix
combinations for best results. Control can be erratic especially under dry
weather conditions. Control escaped weeds with cultivation or application of
an appropriate EPA-registered postemergence herbicide. Contact the local
Monsanto representative for details regarding a complete woolly cupgrass
management program.
'Use 5.25 to 6 pints per acre of this product to reduce competition from this
weed.
'Use a minimum of 1.5 quarts atrazine 4L or 2.25 quarts Bladex 4L per acre in
tank-mixture combinations to control this weed. Control can be erratic
especially under dry weather conditions. Control escaped weeds with
MeN-B'21.REI 17 11/9/95

)
)
cultivation or application of an appropriate EPA-registered postemergence
herbicide.
'If triazine-resistant biotypes are suspected, tank mixtures with triazine
herbicides may require a post sequential application of a non-triazine
herbicide for control.
'use the higher rate in the recommended range for MON-842l® alone and in
tank mixtures with triazine herbicides if triazine-resistant biotypes are
suspected.
'use a minimum of 1.5 quarts atrazine or 2.25 quarts Bladex 4L per acre in
tank-mixture combinations to control this weed. In areas restricted to 1 Ib
atrazine per acre (1 quart atrazine 4L) or where less atrazine per acre
is desired, on medium and fine textured soils, use 4.75 pints of MON-8421® in
a tank mixture with 1 quart atrazine 4L per acre for control of this weed.
Control can be erratic especially under dry weather conditions. Control
escaped weeds with cultivation or application of an appropriate EPA
registered postemergence herbicide.
'Use 4.5 to 6 pints per acre of this product applied alone or in tank
mixtures and apply preplant incorporated only for control on medium and
fine-textured soils.
"when using a tank mixture of MON-8421® plus Pursuit, these weeds are more
consistently controlled by preplant incorporated treatments.
Certain tank mixtures of this product and broadleaf herbicides may be combined
with applications of Roundup herbicide or Gramoxone Extra for control of many
emerged weeds prior to corn emergence. Refer to the Roundup or Gramoxone Extra
label for a list of emerged weeds controlled by tank mixtures with these
products.
FIELD CORN. PRODUCTION SEED CORN.
SILAGE CORN AND POPCORN
MON-8421.
Apply this product in water or sprayable fluid fertilizer solution for control
of yellow nuts edge and the annual grasses and broadleaf weeds listed in the
"WEEDS CONTROLLED" section of this label.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry B'Jlk Fertilizer Impregnation
Reference: The "APPLiCATION SYSTEMS" section of this label provides detailed
information on the proper application of this product using the system
selected.
APPROVED APPLICATION METHODS
MON-9421.RF.1 18 11/9/95

..21
Preplant Incozporated--Apply this product within 14 days prior to planting and
shallowly incorporate or Surface Blend into the upper 1 to 2 inches of soil.
Irrigation within 10 days following planting may improve weed control.
Preemargenoe Surfaoe--Apply this product after plantin~, before crop and weed
emergence and within 5 days after last preplant tillage operation.
~f.renoe: The "APPLICATION TIMING AND METHODS" section ot this label
provides detailed information and procedures for the application timing and
method selected.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this product. Applications which are not consistent with
recommendations in this label may result in unsatisfactory weed control or
crop injury.
) Application Rate.
\
I
SOIL
TEXTURAL
GROUP*
Coarse****
Medium
Fine
BROADCAST RATE PER ACRE (PINTS)**
Less than 3%
organic matter
2.25 to 3
3 to 4
3 to 4
3% or more
organic matter***
3
3
4
to 4
to 4.75
*Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
>'Use the higher rate in the recommended range in areas of heavy weed
infestation.
"'On soils with 6 to iO% organic matter use 4.5 to 6 pints/acre. On soils
with more than 10% organic matter use 6 pints/acre.
****Refer to the "USE RESTRICTIONS" section of this label for restrictions.
MON-8421e plu. ATRAZlNE
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
cont~~l of yellow nuts edge and the annual grasses and broadleaf weeds listed
in the "WEEDS CONTROLLED" section of this label.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry Bulk Fertilizer Impregnation
Reference: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the proper application of this tank mixture using the system
selected.
19 11/9/95

APPROVED APPLICATION METHODS
Preplant Incorporated--Apply this tank mixture within 14 days prior to
planting and shallowly incorporate or Surface Blend into the upper 1 to 2
inches of soil.
Preemergence Surfaoe--Apply this tank mixture after planting, before crop and
weed emergence and within 5 days after last preplant tillage operati~n.
Reference: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method selected.
NOTE: The maximum application rate of atrazine is 2.5 pounds active
ingredient per acre per calendar year (2.5 quarts per acre atrezine 4L). On
highly erodible soils (as defined by the Soil Conservation Service) with less
than 30 percent residue cover, the maximum rate of .. trazine is 1..6 pound"
active ingredient (1.6 quarts per acre of atrazine 4L). On soils not highly
erodible or on highly erodible soils with more than 30 percent plant residue
cover, the maximum rate of atrazine is 2 pounds active ingredient per acre (2
quarts per acre of atrazine 4L).
CORN, SOYBEANS* OR MILO (SORGHUM) can be planted the year following Use of
this mixture.
*There is a possibility of injury due to carryover of atrazine if soybeans or
other nonlabeled crops ere planted the following year. DO NOT plant
soybeans the year following use of this tank mixture on furrow irrigated
corn.
DO NOT graze treated area or feed treated forage to livestock for 21 days
following application of this tank mixture.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed co~trol
or crop injury.
Application Rates
BROADCAST RATE PER ACRE ..
SOIL
TEXTURAL
GROUp·
Coarse···"
Medium
Fine
MON-8421.REl
Less than 3%
organic matter
MON-B421® + ATRAZINE 4L***
(PINTS) (QUARTS)
1. 75 to 2.25
2.25 to 3
3 to 4
2.0
2.0
to 2.0
1. 25 to
1. 25 to
1.5
20
3% or more
organic matter
MON-B421 + ATRAZINE
(PINTS) (QUARTS)
2.25 to 3 1.25
3 to 4 1.5
3 to 4 1.5
4L···
to 2.0
to 2.0
to 2.0
11/9/95
Sl(

)
• ;
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treat~d.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation. In areas restricted to 1 pound atrazine per acre (1 quart
atrazine 4L) or where less atrazine per acre is desired, on medium and
fine-textured soils use 4.75 pints of MON-B421® in a tank mixture with 1
quart atrazine 4L per acre for control of grass and broadleaf weeds
listed in the "WEEDS CONTROLLED" section of the label except cocklebur.
···Use rates listed in this label when using atrazine 4L. Use equivalent
rates when using atrazine 90% dry flowable formulations. One quart of
atrazlne 4L equals 1.1 pounds of atrazine 90% dry flowable.
····Refer to the "USE RESTRICTIONS" section of this label for restrictions.
MON-U,21. plus BAN''2L or CLAIU'l'Y
(TANK MIXTURE)
For use on level or flat-planted field corn on soils with more than 2 percent
organic matter.
Apply in water or sprayable fluid fertilizer solutions for control of the
annual grasses and broadleaf weeds listed in the "WEEDS CONTROLLED" section of
this label.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Reference: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the proper application of this tank mixture using ground spray
equipment.
APPROVED APPLICATION METHODS
Preemerqence Surface--Apply this tank mixture after planting, before crop and
weeds emerge and within 5 days of last preplant tillage operation. Corn seeds
must be planted 1-1/2 inches or deeper beneath the soil surface. Direct
chemical contact with corn seed must be avoided since crop injury may result.
Apply far enough behind planter equipment to avoid any incorporation by the
planter wheel or other covering device. Do not apply if corn seeds are planted
less than 1-1/2 inches beneath the soil surface.
Refe."ence: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method selected.
NOTE: PREVENT DRIFT TO SOYBEANS OR OTHER DESIRABLE PLANTS. Do not use on
furrow irrigated corn, or when corn is planted at the bottom of a furrow,
utilizing lister, till or other similar planting methods. DO NOT
incorporate after planting or corn emergence. If it is necessary to drag
for leveling or rotar, hoe to break soil crust, DO NOT disturb the soil
more than 1/2 inch deep.
MON-B421.RE1 21 11/9/95

)
\
I
RECOMMENDED RATES: Refer to the following table for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed c~\ltrol
or crop injury and/or destruction.
Application Rate.
BROADCAST RATE PER ACRE (PINTS)··
SOIL
TEXTURAL
GROUp·
Coarse···
Medium
Fine
·Refer to
2 to 3%
organic matter
MON-8421® + BANVEL or
CLARITY
2.25 to 3 1
3 to 4 1
3 to 4 I
the "SOIL TEXTURE" section of
corresponding textural group for the soil
3% or more
organic matter
MON-8421 + BANVEL or
CLARITY
3
3
4
to 4
to 4.75
1
1
1
this label to determine the
to be treated.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
···On coarse-textured soils containing 2% or more organic matter, use
MON-8421® plus Banvel or Clarity only on sandy loam. Do not use on sand
and loamy sand with less than 2% organic matter. Refer to the "USE
RESTRICTIONS" section of this label for restrictions.
HON-8421e plu. BLADEX
(TANlt MIXTORE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
control of yellow nutsedge, and the annual grasses and broadleaf weeds listed
in the "WEEDS CONTROLLED" section of this label.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry Bulk Fertilizer Impregnation
Reference: The "APPLICATION SYSTEMS" section of this label provides
information on the proper application of this tank mixture using the system
selected.
APPROVED A~P~ICATION METHODS
Preplant Incorporated--Apply this tank mixture within 14 days prior to
planting and shallowly incorporate or Surface Blend into the upper 1 to 2
inches of soil.
MON-8421.RE:l 22 11/9/95
-.--.---~~----------~-,-..... ~,-., .. -.

)
Preemerg.nce SurLaoe--Apply this tank mixtu.e after planting, before crop and
weed emergence and within 5 days after last preplant tillage operation.
Re~.rence: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for thp. application timing and
method selected.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed control
or crop injury.
Appl.ication Rate.
SOIL
TEXTURAL
GROUP*
Coarse····
Medium
Fine
BROADCAST RATE PER ACRE ..
1% to 3%
organic matter
MON-842l®
(PINTS)
1. 75 to 2.25
2.25 to 3
2.25 to :3
+
BLADEX
4L***
(QUARTS)
1.0
1. 25
1.5
to 1.5
to 1. 75
to 2.0
3% or more
organic matter
MON-8421 +
(PINTS)
2.25
2.75
3
to 3
to 3.5
to 4
BLADEX
4L***
(QUARTS)
1. 25 to
1. 75 to
2.0
2.0
2.25
to 2.5
*Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
**Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
***Use rates listed in this label using Bladex 4L. Use equivalent rates when
using Bladex 90% dry flowable formulations. One quart of Bladex 4L equals
1.1 pounds of 81adex 90% dry flowable.
****On coarse-textured soils containing less than 2% organic matter, use
MON-8421® plus Bladex only on sandy loam. Do not use on sand and
loamy sand with less than 2% organic matter. Refer to the "USE
RESTRICTIONS" section of this label for restrictions.
MON-8421e plus EXTRAZlNETV II
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
control of yellow nutsedge. and the annual grasses and broadleaf weeds listed
for MON-8421 plus Bladex in the "WEEDS CONTROLLED" section of this label.
Do not graze treated area or feed treated forage to livestock for 21 days
following application of this tank-mixture.
MON-84Z1.REI 23 11/9/95

APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry Bulk Fertilizer Impregnation
~t.zenoe: The "APPLICATION SYSTEMS" section of this label provides
information on the proper application of this tank mixture using the system
selected.
APPROVED APPLICATION METHODS
Preplant Inoorporate4--Apply this tank mixture within 14 days prior to
planting and shallowly incorporate or Surface Blend into the upper 1 to 2
inches of soil.
) Preemerqence Surface--Apply this tank mixture after planting, before crop and
weed emergence and within 5 days after last preplant tillage operation.
Referenee: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method selected.
RECOMMENDED RATES: Refer to the followinq tables for the recommended broadc3st
treatment rates for this t~nk mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed control
or crop injury.
Application Rates
SOIL
TEXTUR!U.
GROUP*
Coarse*···
Medium
Fine
1% to
organic
MON-8421® +
(PINTS)
1. 75
2.25
2.25
to 2.25
to 3
to 3
BROADCAST RATE PER ACRE * *
3%
matter
EXTRAZINE II
4L"'··
(QUARTS)
1.25
1.5
1.5
to 1. 75
to 2.0
to 2. ,;
3% or more
organic matter
MON-8421
(PINTS)
2.25
2.75
3
to 3
to 3.5
to 4
EXTRAZINE II
+ 4L***
(QUARTS)
1. 75
2.0
2.5
to 2.25
to 2.5
to 3.0
*Refer to the "SOIL TEXTURE" section of chis label to determine the
corresponding textural group for the soil to be treated.
**Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
HON-8421. REI 24 11/9/95

···Use rates listed in this label using Cxtrazine II 4L. Use equivalent rates
when using Extrazine II 90% dry flowable fonnulations. One quart of
Extrazine 4L equals 1.1 pounds of Extrazine II 90% dry flowable.
····On coarse-textured soils containing less than 2% organic matter, use
MON-8421® plus Extrazine II only on sandy loam. Do not use on sand
and loamy sand with less than 2% organic matter. Refer to the "USE
RESTRICTIONS" section of this label for restrictions.
HON-8C21e plu. IllUlJtSlOo ....
(TANK MIXTURE)
For use on level or flat-planted field corn on soils with more than 2 percent
) organic matter.
Apply in water or sprayable fluid fertili~~r solutions for control of the
annual grasses and broadleaf weeds listed for MON-8421 plus atrazine in the
"WEEDS CONTROLLED" section of this label.
APPR~VEr, APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Reference: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the proper application of this tank mixture using ground spray
equipment.
APPROVED APPLICATION METHODS
Preemergence Surface--Apply this tank mixture after planting, before crop and
weeds emerge and within 5 days of last preplant tillage operation. Corn seeds
must be planted 1-1/2 inches or deeper beneath the soil surface. Direct
chemical contact with corn seed must be avoided since crop injury may result.
Apply far enough behind planter equipment to avoid any incorporation by the
planter wheel or other covering device. Do not apply if corn seeds are
planted less than 1-1/2 inches beneath the soil surface.
Reference: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method selected.
NOTE: PREVENT DRIFT TO SOYBEANS OR OTHER DESIRABLE PLANTS. Do not use on
furrow irrigated corn, or when corn is planted at the bottom of a furrow,
utilizing lister, tillar other similar planting methods. DO NOT
incorporate after planting or corn emergence. If it is necessary to drag
for leveling or rotary hoe to break soil crust, DO NOT disturb the soil
more than 1/2 inch deep.
RECOMMENDED RATES: Refer to the following table for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed control
or crop injury and/or destruction.
MON-8421.REI 25 11/9/95
-----------------_ .. _--... -------_. __ ... -.....

)
Application bte.
BROADCAST RATE PER ACRE (PINTS)··
SOIL
TEXTURAL
GROUp·
Coarse···
Medium
Fine
2 to 3%
organic matter
MON-8421® + MARKSMAN
2.25
3
3
to 3
to 4
to 4
3.5
3.5
3.5
3% or more
organic matter
MON-8421 + MARKS~'N
3
3
4
to 4
to 4.75
3.5
3.5
3.5
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
···On coarse-textured soils containing 2% or more organic matter, use
MON-8421® plus Marksman only on sandy loam. Do not use on sand and
loamy sand with less than 2% organic matter. Refer to the "USE
RESTRICTIONS" section of this label for restrictions.
MON-8421. plu. PRINCEP
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
control of yellow nutsedge and the annual grasses and broadleaf weeds listed
in the "WEEDS COI-lTROLLED" section of this label.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry Bulk Fertilizer Impregnation
Reference: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the proper application of this tank mixture using the system
selected.
APPROVED APPLICATION METHODS
Preplant Inoorpoxated-Apply this tank mixture within 14 days prior to
planting and shallowly incorporate or Surface Blend into the upper 1 to 2
inches of soil.
MON-8421.REI 26 11/9/95
.. ,...,.. .... ~--. .............. --~-----....... -------------------.

I
PreemerqeDce Sur~ace--Apply this tank mixture after planting, before crop and
weed emergence and within 5 days after last preplant tillage operation.
RefereDoe: The "APPLICATION TIMING AND METHODS· section of this label
provides detailed information and procedures for the application timing and
method selected.
NOTE: LAND TREATED WITH PRINCEP SHOULD NOT BE PLANTED TO ANY CROP OTHER THAN
CORN FOR ONE YEAR FOLLOWING TRV'oTMENT AS CROP INJURY MAY OCCUR. AFTER HARVEST
OF TREATED CROP, PLOW AND THOROUGHLY TILL THE SOIL IN THE FALL OR SPRING TO
MINIMIZE POSSIBLE INJURY TO SPRING SEEDED ROTATIONAL CROPS.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed control
) or crop injury.
Application Rate.
BROADCAST RJ\TE PER ACRE ••
Less than 3%
organic matter
3% or more
organic matter
SOIL
TEXTURJ\L
GROUp· MON-8421® +
(PINTS)
PRINCEP 4L'"
(QUARTS)
MON-8421 +
(PINTS)
PRINCEP 4L···
(QUARTS)
Coarse····
Medium
Fine
1.75 to 2.25
2.25 to 3
3 to 4
1. 25 to 2.0
1.25 to 2.0
1. 5 to 2.0
2.25
3
3
to 3
to 4
to 4
1. 25
1.5
1.5
'Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
to 2.0
to 2.0
to 2.0
"Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
"'Use rates listed in this label when using Princep 4L. Use equivalent
rates when using Princep 90% dry flowable formulations. One quart of
Princep 4L equals 1.1 pounds of Princep 90% dry flowable.
····Refer to the "USE RESTRICTIONS" section of this label for restrictions.
MON-8~21e pl~. PROWLN
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
control of yellow nutsedge and the annual grasses and broadleaf weeds listed
in the "WEEDS CONTROLLED" section of this label for MON-8421® .
MON-8421.RE:l 11/9/95

)
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry Bulk Fertilizer Impregnation
Reference: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the proper application of this tank mixture using the system
selected.
APPROVED APPLICATION METHODS
P~ .... rqenoe Sur~aoe--Apply this tank mixture after planting. before crop and
weed emergence and within 5 days after last preplant tillage operation.
DO NOT preplant incorporate this tank-mixture as serious crop injury can
result.
Refe~nce: The "APPLICATION TIMING AND METHODS" section of this label
provides d~tailed information and procedures for the application timing and
method selected.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed control
or crop injury.
Application Rate.
SOIL
TEXTURAL
BROADCAST RATE PER ACRE (PINTS) ••
Less than 3%
organic matter
3% or more
organic matter
GROUp· MON-8421® + PROWL··· MON-8421 + PROWL···
Coarse···· 2.25 to 3 1.0 1.0
Medium 2.75 to 4
Fine 3 to 4
1.0 to 2.0
1.0 to 2.0
2.75 to 3
3 to 4
3.5. to 4.75
1. 0 to 2.0
1. 0 to 2.0
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
···Use rates listed in this label when using Prowl. Use equivalent
rates when using Prowl 3.3 EC. One quart of Prowl equals 1.2 quarts of
Prowl 3.3 EC.
MON-8421.REl 28 11/9/95

····Refer to the "USE RESTRICTIONS" section of this label for restrictions.
MON-8C21. plua PORSOXT
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions tor
control of yellow nutsedge and the annual grasses and broadleaf weeds listed
in the "WEEDS CONTROLLED" section of this label.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Reference: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the proper application of this tank mixture using the system
selected.
APPROVED APPLICATION METHODS
Preplant Incorpo~ated--Apply this tank mixture within 14 days prior to
planting and shallowly incorporate or Surface Blend into the upper 1 to 2
inches of soil.
P~eemergence Surface--Apply this tank mixture after planting, before crop and
weed emergence and within 5 days after last preplant til.lage operation.
Ref.,r.,nce: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method ~cJected.
NOTE: THIS TANK-MIXTURE IS FOR USE ONLY ON SELECTED FIELD CORN HYBRIDS (IMI
CORN) WARRANTED BY THE SEED COMPANY TO POSSESS RESISTANCE/TOLERANCE TO DIRECT
APPLICATION OF PURSUIT (FOR EXAMPLE: PIONEER IR HYBRIDS). DO NOT APPLY
PURSUIT TO CORN HYBRIDS WHICH LACK GENETIC RESISTANCE/TOLERANCE TO PURSUIT
HERBICIDE. OBSERVE ALL PRECAUTIONS AND LIMITATIONS ON THE MON-8421® AND
PURSUIT LABELS BEFORE USE OF THIS TANK MIXTURE INCLUDING PRECAUTIONS ON
MINIMUM RECROPPING INTERVAL AND ROTATIONAL GUIDELINES.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistpnt
with recommendations in this label may result in unsatisfactory weed control
or crop injury_
HON-8421.REI 29 11/9/9S

)
Application Rate.
BROADCAST RATE PER ACRE ...
Less than 3%
organic matter
SOIL
TEXTURAL
GROUp· MON-842l® + PURSUIT
(PINTS) (OUNCES)
Coarse··· 1. 75 to 2.25 4
Medium 2.25 to 3 4
Fine 3 to 4 4
3% or more
organic matter
MON-842l +
(PINTS)
2.25 to 3
3 to 4
3 to 4
PURSUIT
(OUNCES)
4
4
4
-Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
3~ 1
···Refer to the "USE RESTRICTIONS" section of this label for restrictions.
MON-8421e plu. ATRAZlNE plu. BLADEX
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
control of yellow nutsedge, and the annual grasses and broadleaf weeds listed
in the "WEEDS CONTROLLED" section of this label fo! MON-842l® plus Atrazine.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry Bulk Fertilizer Impregnation
Reference: The "APPLIcATION SYSTEMS" section of this label provides
information on the proper application of this tank mixture using the system
selected.
APPROVED APPLICATION METHODS
Preplant Incorporated--Apply this tank mixture within 14 days prior to
planting and shallowly incorporate or Surface Blend into the upper 1 to 2
inches of soil.
Preemergence Surface--Apply this tank mixture after planting, before crop and
weed emergence and within 5 days after last preplant tillage operation.
MON-8421.REl 30 11/9/9~

)
33
Rererenoe: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method selected.
NOTE: The maximum application rate of atrazine is 2.5 pounds active ingredient
per aCre per calendar year (2.5 quarts per acre atrazine 4L). On highly
erodible soils (as defined by the Soil Conservation Service) with less than 30
percent residue cover, the maximum rate of atrazine is 1.6 pounds active
ingredient (1.6 quarts per acre of atrazine 4L). On soils not highly erodible
or on highly erodible soils with more than 30 percent plant residue cover, the
maximum rate of atrazine is 2 pounds active ingredient per acre (2 quarts per
acre of atrazine 4L).
CORN, SOYBEANS· OR MILO (SORGHUM) can be planted the year following use of
this mixture.
·There is a possibility of injury due to carryover of atrazine if soybeans or
other nonlabeled crops are planted the following year. DO NOT plant
soybeans the year following use of this tank mixture on furrow irrigated
corn.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed control
or crop injury.
Application Rates
SOIL
TEXTURAL
GROUp·
Coarse····
Medium
Fine
SOIL
TEXTURAL
GROUp·
MON-8421.REl
BROADCAST RATE PER ACRE ••
Less than 3% organic matter
MON-842l®
(PINTS)
1. 75 to 2.25
2.25 to 3
2.25 to 3
ATRAZINE
+ 4L***
(QUARTS)
0.5 to
0.75 to
0.75 to
+
1. 25
1. 75
1. 75
BLADEX
4L···
(QUARTS)
0.5
1.0
1. 25
to 1.5
to 1.5
to 1. 5
BROADCAST RATE PER ACRE ••
More than 3% organic rnatter
MON-842l®
( PINTS)
+
ATRAZINE
4L···
(QUARTS)
31
+
BLADEX
4L···
(QUARTS)
11/9/95

)
• ,
Coarse····
Medium
Fir-
2.25 to
2.75 to
3
3
3.5
to 4
0.5 to 2.0
1. a to 2. a
1. 0 to 2. a
1. a to 2. a
1. 5 to 2. a
1. 5 to 2.0
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
···Use rates listed in this label using Bladex and Atrazine 4L formulations.
Use equivalent rates when using 90% dry flowable formulations. One quart of
4L formulation equals 1.1 pounds of 90% drJ flowable.
····On coarse-textured soils containing less than 2% organic matter, use
MON-8421® plus Bladex only on sandy loam. Do not use on sand and loamy
sand with less than 2% organic matter. Refer to the "USE RESTRICTIONS"
section of this label for r~strictions.
MON-8421e plua ATRAZlNE plua PROWLN
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
additional control of triazine-resistant lambsquarters and pigweed in addition
to yellow nuts edge and the annual grasses and broadleaf weeds listed in the
"WEEDS CONTROLLED" section of this label for MON-8421® plus Atrazine.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom; banded
Dry Bulk Fertilizer Impregnation
Reference: The "APPLICATION SYSTEMS" section of this label provides
information on the proper application of this tank mixture using the system
selected.
APPROVED APPLICATION METHODS
Preemergence Surface--Apply this tank mixture after planting, before crop and
weed emergence and within 5 days after last preplant tillage operation.
DO NOT preplant incorporate this tank-mixture as serious crop injury can
result.
Reference: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method selected.
NOTE: The maximum application rate of atrazine is 2.5 pounds act~ve
ingredient per acr~ per calendar year (2.5 quarts per acre atrazine 4L). On
MON-S'21.REl 32 11/9/95

)
35.-)5'1
highly erodible soils (as defined by the Soil Conservacion Service) with 1 •••
than 30 percent residue cove:r, the maxi.mum rate of atrazine is 1.6 pound.
active ingredient (1.6 quarts per acre of atrazine 4L). On soils not htghly
erc:dible or on highly erodible soils with more than 30 percent plant residue
cover, the maximum rate of atrazine is 2 pounds active ingredient per acre (2
quarts per acre of atrazine 4L).
CORN, SOYBEANS· OR KILO (SORGHUM) can be planted the year following use of
this mixture.
·There is a possibility of injury due to carryover of atrazine if soybeans
or other nonlabeled crops are planted the following year. DO NOT plant
soybeans the year following use of this tank mixture on furrow irrigated
corn.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applicati~ns which are not consistent
with recommendations in this label may result in unsatisfactory weed control
or crop injury.
Application Rate.
SOIL
TEXTURAL
GROUP'
Coarse
Medium
Fine
SOIL
TEXTURAL
GROUP'
Coarse····
Medium
Fine
MON-8421.REI
BROADCAST RATE PER ACRE ..
Less than 3% organic matter
ATRAZINE
MON-8421® + 4L*** + PROWL···
(PINTS) (QUARTS) (QUARTS)
1. 75 to 2.25 0.75 to 2.0 0.75
2.25 to 3 1.0 to 2.0 0.75 to
2.25 to 3 1. 25 to 2.0 1.0
BROADCAST RATE PER ACRE ••
More than 3% vrganic matter
MON-8421® +
(PINTS)
2.25 to 3
2.75 to 3.5
3 to 4
ATRAZINE
4L···
(QVAATS)
1.0 to
1. 25 to
1. 25 to
33
+
2.0
2.0
2.0
PROWL···
(QUARTS)
0.75 to 1.0
1.0
1.0
1.0
11/9/95

)
-----------------------------------------------------------,
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
···Use rates listed in this label using Atrazine 4L and Prowl. Use equivalent
rates when using Atrazine 90% dry flowable and Prowl 3.3 EC formulations.
One quart of Atrazine 4L equals 1.1 pounds of Atrazine 90% dry flowab1e.
One quart of Prowl equals 1.2 quarts of Prowl 3.3 EC.
····Refer to the "USE RESTICTIONS" section of this label for restrictions.
MON-8421e plu. BLADEX plu. PROWL
(TANK MIXTURE)
Apply this tank mixture in water or sprayable fluid fertilizer solutions for
additional control of triazine-resistant lambsquarters and pigweed in addition
to yellow nuts edge and the annual grasses and broadleaf weeds listed in the
"WEEDS CONTROLLED" se<::tion of this label for MON-8421® plus Bladex.
APPROVED APPLICATION SYSTEMS
Ground--Broadcasr. boom; banded
Dry Bulk Fertilizer Impregnation
Reference: '{'he "APPLICATION SYSTEMS" section of this label provides
information on the proper application of this tank mixture using the system
selected.
APPROVED APPLICATION METHODS
Preemerqence Surface--Apply this tank mi·.;ture after planting. before crop and
weed emergence and within 5 days aft~L last preplant tillage operation.
DO NOT preplant jncorpo.at p chis tank-mixture uS serious crop injury can
resul t.
Reference: The "APPLICATION TIMING AND METHODS" section of this label
provides detailed information and procedures for the application timing and
method selected.
RECOMMENDED RATES: Refer to the following tables for the recommended broadcast
treatment rates for this tank mixture. Applications which are not consistent
with recommendations in this label may result in unsatisfactory weed control
or crop injury.
Application Rate.
MON-8421.RE1 34 11/9/95
-----------'--------'.:.--=--=--=-=-=_ ... _--._-_._--_._-------_ .. .-._-_ .............. _._ ........ _.

)
-- ~-~-----~-----------------------------,
SOIL
TEXTURAL
GROUp·
Coarseq
Medium
Fine
SOIL
TEXTURAL
GROUp·
Coarse····
Medium
Fine
BROADCAST RATE PER ACRE ••
Less than 3% organic matter
BLADEX
MON-8421® + 4L···
(PINTS) (QUARTS)
1. 75 to 2.25 1.0 to 1.5
2.25 to 3 1.25 to 1.5
2.25 to 3 1.5 to 2.0
BROADCAST RATE PER ACRE ••
More than 3% organic matter
BLADEX
MON-8421® + 4L··· +
(PINTS) (QUARTS)
2.25 to 3 1.25 to 1.5
2.75 to 3.5 1.5 to 2.0
3 to 4 2.0 to 2.25
+ PROWL···
(QUARTS)
0.75
0.75
1.0
PROWL···
(QUARTS)
0.75 to 1. 0
1.0
1.0
to
to
*Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
1.0
1.0
**Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
37 ;f 54
···use rates listed in this label using Atrazine 4L and Prowl. Use equivalent
rates when using Atrazine 90% dry flowable and Prowl 3.3 EC formulations.
One quart of Atrazine 4L equals 1.1 pounds of Atrazine 90% dry flowable.
One quart of Prowl equals 1.2 quarts of Prowl 3.3 EC.
·---Refer to the "USE RESTRICTIONS" section of this label for restrictions.
MON-8421.REl
Con.ervation OX' Mini-""
Tillage SyateJlla
AT-PLANTING APPLICATIONS
35 11/9/95

)
)
-----------------------------------------------
FIELD CORN, PRODUCTION SEED CORN,
SILAGE CORN AND POPCORN
When applied as directed under the conditions described, these tank mixtures
control many emerged annual weeds, suppress many emerged perennial weeds and
give premerg&nce control of many annual grasses and weeds when corn will be
planted directly into a cover crop, established sod or in previous crop
residues. These tank mixtures will not control regrowth from perennial weeds.
DO NOT APPLY BY AIR.
Refer to specific product labels for (rop rotation restrictions and cautionary
statements of all products used in th·,se tank mixtures.
For mixing instructions, see the "MIXING AND SPRAYING INSTRUCTIONS" section of
this label.
MON-8421® and the following tank mixtures can be tank mixed with Roundup,
Gramoxone Extra andlor 2,4-D.
[ J MON-8421. [J
[J MON-8421 plus ATRAZlNE [J
[ J MON-8421 plus BLADEX [J
[J MON-8421 plus EXTRAZlNE II [J
[ J MON-8421 plus PRlNCEP [J
[ J MON-8421 plus PURSUIT [J
[ J MON-8421 plus ATRAZlNE plus BLADEX [J
[J MON-8421 plus ATRAZlNE plus PRlNCEP [J
~rply these tank mixtures with Roundup or 2,4-D (amine or low volatile ester)
in 10 to 20 gallons of water or 10 to 60 gallons of nitrogen solution per
acre, or the tank mixtures with Gramoxone Extra in 20 to 60 gallons of water
or clear liquid fertilizer per acre immediately before, during or after
planting, but BEFORE CROP EMERGENCE. As density of stubble, crop residue or
weeds increase, spray gallonage and rate should be increased within the
recommended ranges to ensure complete coverage. In the absence of emerged
vegetation, delete the Roundup, Gramoxone Extra or 2,4-0 portion of these
tank mixtures.
APPROVED APPLICATION SYSTEMS
Ground--Broadcast boom
MON-8421.REI 36 11/9/95

.
)
ReLerence: The "APPLICATION SYSTEMS" section of this label provides
information on the proper application of this tank mixture using the system
selected.
COH'l'ItOL oa StJPl'IIESSICII
or na:PGID 1IEJI:I)S
A'rTD'l'ICII
AVOID DRIFT--EXTREME CARE MUST BE USED WHEN APPLYING THESE TANK MIXTURES TO
PREVENT INJURY TO DESIRABLE PLANTS AND CROPS. Do not allow spray mist to
drift since even minute quantities of spray can cause severe damage or
destruction to nearby cr~ps, plants or other areas on which treatment is not
intended. Do not apply when winds are gusty or in excess of 5 miles per hour
or when other conditions, including lesser wind velocities, will allow drift
to occur. When spraying, avoid combinations of pressure and nozzle type that
will result in fine particles (mist) which are more likely to drift.
[ 1 [ 1
Annual Weed8--Apply 1 to 1.5 pints of Roundup herbicide per acre i~ these tank
mixtures if weeds are less than 6 inches tall. Use 2 pints of Roundup per
acre for control of fall panicum, barnyardgrass, crabgrass and shattercane up
to 2 inches tall; Pennsylvania smartweed up to 6 inches tall; other annual
wpeds 6 to 12 inches tall. For emerged annual weeds controlled, see the
"WEEDS CONTROLLED" section of the label for Roundup.
Perennial Weeda--At normal application dates in minimum tillage systems,
perennial weeds may not be at the proper stage of growth for control. See the
"GENERAL INFORMATION" section of the Roundup label for the proper stage of
growth for perennial weeds. Use of 2 to 4 quarts of Roundup per acre in the
above mixtpres under these conditions provides top kill and reduces
competition from many emerged perennial grasses and broadleaf weeds.
For emerged perennial weeds controlled see the "WEEDS CONTROLLED" section of
the label for Roundup. To obtain control of perennial weeds, follow
recommendations on the Roundup label for stage of growth and rate of
application.
USE OF THIS MIXTURE FOR BERMUDAGRASS OR JOHNSONGRASS Co~~nOL IS NOT
RECOMMENDED.
NOTE: When using these tank mixtures, do not exceed 4 quarts of Roundup
herbicide per acre.
Ammonium Sulfate--The addition of ammonium sulfate in the spray solution may
increase the performance of Roundup tank mixtures on emerged annual weeds
under adverse growing conditions. When using ammonium sulfate, add 2 percent
dry ammonium sulfate by weight or 17 pounds per 100 gallons of water.
Ammonium sulfate should be added to the water in the spray tank and completely
dissolved prior to adding the herbicide or surfactant. Do not mix ammonium
sulfate in fluid fertilizer solutions.
If ammoinium sulfate is added directly to the spray tank, add sl~wly with
agitation. Adding too quickly may clog outlet lines. Nozzle tip plugging may
MON-B42!.REI 37 11/9/95

)
result from the use of low quality ammonium sulfate. To detomine quality,
perform a jar test by adding 1/3 cup of ammonium sulfate to 1 gallon of water
and agitate for one minute. If undissolved sediment is observed, predissolve
the ammonium sulfate in water and filter prior to adding to the spray tank.
Sur~actanta--Nonionic surfactants which are labeled for use with herbicides
may be used with Roundup. Do not reduce rates of Roundup when adding
surfactant. Use 0.5 percent surfactant concentration (2 quarts per 100
gallons of spray solution) when using surfactants which contain at least 50
percent active ingredient or a 1 percent surfactant concentration (4 quarts
per 100 gallons of spray solution) for those surfactants containing less than
50 percent active ingredient. Read and carefully observe surfactant
cautionary statements and other infromation appearing on the surfactant label.
[ 1 GRAMOXONE EXTRA [ 1
When used as directed, Gramoxone Extra in a labeled tank mixture controls many
emerged annual weeds and suppresses many emerged perennial weeds.
Broadcaat Treatment--Apply 1.5 to 3 pints of Gramoxone Extra per acre in these
tank mixtures immediately before, during or after planting but BEFORE CROP
EMERGENCE. Use 2 to 2.5 pints when weeds are 3 to 6 inches tall. Use 2.5 to 3
pints when weeds are 6 incll"s tall. This mixture may not control weeds taller
than 6 inches. As density of stubble, crop residue or weeds increases, spray
gallonage should be increased within the recommended range for complete
coverage. Add a nonionic spreader surfactant (approved for use on crops)
containing at least 75 percent surfactant active agent at 8 ounces per 100
gallons of diluted spray. REFER TO THE GRAMOXONE EXTRA LABEL FOR PRECAUTIONARY
STATEMENTS.
[ 1 2,'-0 [ 1
When used as directed, 2,4-0 in labeled tank mixtures controls many emerged
annual and perennial broadleaf weeds. For emerged weeds controlled, see the
"WEEDS CONTROLLED" section of the label for 2,4-0.
Broadcast Treatment - Apply 1 to 2 pints of 2,4-0 (amine or low-volatile
ester) in these tank mixtures. Applications should be made 7 to 14 days
before planting or 3 to 5 days after planting but BEFORE CORN EMERGES. As
density of stubble, crop residue or weeds increase, spray gallonage should be
increased within the recommended range for complete coverage.
DO NOT use 2,4-0 on light, sandy soils, or where soil moisture is inadequate
for normal weed growth. Observe all precautions and limitations on the 2,4-0
label booklet.
PREEMERGENCE WEED CONTROL
[ 1 MON-U21. [ 1
For weeds controlled preemergence, see the "WEEDS CONTROLLED" section of this
label for MON-8421®. See the folloWing table for recommended rates of MON-
8421 on various soil types.
HON-9421. REl 38 11 / 9/ 95

)
\
I
SOIL
TEXTURAL
GROUP*
Coarse···
Medium
Fine
BROADCAST RATE PER ACRE (PINTS)**
MON-842l®
2.75
4
4.75
to 3.5
to 4.75
to 5.25
*Refer to the "SOIL TEXTURE" section of the label to determine the
corresponding textural group for the soil to be treated.
·*Use the higher rates in the recommended ranges in areas of heavy weed
infestation or when the organic matter. content is 3 percent or more.
***Refer to the "USE RESTRICTIONS" section of this label for restrictions.
[ 1 MON-84218 plua ATRAZINB
For weeds controlled preemergence, see the "WEEDS CONTROLLED" section of this
label for MON-842l® plus Atrazine.
See the following table for recommended rates of MON-8421® plus atrazine in
this tank mixture on various soil types.
NOTE: The maximum application rate of atrazine is 2.5 pounds active
ingredient per acre per calendar year (2.5 quarts per acr~ atrazine 4L). On
highly erodible soils (as defined by the Soil Conservation Service) with less
than 30 percent residue cover, the maximum rate of atrazine is 1.6 pounds
active ingredient (1.6 quarts pints per acre of atraLine 4L). On soils not
highly erodible or on highly erodible soils with more than 30 percent plant
residue cover, the maximum rate of atrazine is 2 pounds active ingredient per
acre (2 quarts per acre of atrazine 4L).
CORN, SOYBEANS· OR MILO (SORGHUM) can be planted the year following use of
this mixture.
*There is a possibility of injury due to carryover of atrazine if soybeans
or other nonlabeled crops are planted the following year. DO NOT plant
soybean5 the year following use of this tank mixture on fur.row irrigated
corn.
DO NOT graze treated area or feed treated forage to livestock for 21
days following application of this tank mixture.
HON-8421. REI 39 11/9/95
[ 1
------_. __ ._---_. __ ._---. __ ._----------_ ... _._----_ ... _._ ..•...... __ ..

)
SOIL
TEXTURAL
GROUp·
Coarse····
Medium
Fine
BROADCAST RATE PER ACRE ••
MON-8421®
(PINTS)
3
3 to 4
3.5 to 4.5
+ ATRAZINE 4L···
(QUARTS)
1.25 to
1.5 to
1.5
1.5
2.0
to 2.0
*Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
**Use the higher rates in the recommended ranges in areas of heavy weed
infestation or when the organic matter content is 3 percent or more.
***Use rates listed in this label when using atrazine 4L. Use equival.ent
rates when using atrazine 90% dry flowable formulations. One quart of
atrazine 4L equals 1.1 pounds of atrazine 90% dry flowable.
****Refer to the "USE RESTRICTIONS" section of this label for restrictions.
[ J MON-8421® plus BLADEX [ J
For weeds controlled preemergence, see the "WEEDS CONTROLLED" £ection of the
label for MON-8421® plus Bladex.
See the following table for recommended rates of MON-642l® plus Bladex in this
tank mixture on various soil types.
SOIL
TEXTURAL
GROUP*
Coarse - sandy
loam only····
Medium
Fine
3
3
3.5
BROADCAST RATE PER ACRE * *
MON-842l®
(PINTS)
to 4
to 4.5
+ BLADEX 4L***
(QUARTS)
1.5
1. 75
2.0
to 2.0
to 2.25
to 2.5
*Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
HON-B421.RE1 40
.. _-- ._-----------
11/9/95

··Use the higher rates in the recommended ranges in areas of heavy weed
infestation or when the organic matter content is 3 percent or more.
···Use rates listed in this label using Bladex
using Bladex 90% dry flowable formulations.
1.1 pounds of Bladex 90% dry flowable.
4L. Use equivalent rates when
One quart of Bladex 4L equals
····Refer to the "USE RESTRICTIONS" section of this label for restrictions.
[ 1 MON-8421. plu. EXTRAZINK II [ 1
For weeds controlled preemergence, see the "WEEDS CONTROLLED" section of the
label for MON-842l® plus Bladex.
See the following table for recommended rates of MON-8421® plus Extrazine II
) in this tank mixture on various soil types.
BROADCAST RATE PER ACRE ..
SOIL
TEXTURAL
GROUp·
Coarse - sandy
loam only····
Medium
Fine
MON-8421®
(PINTS)
3
3
3.5
to 4
to 4.5
+ EXTRAZINE II 4L···
(QUARTS)
1.25
1.5
2.0
to 2.0
to 2.75
to 3.0
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated .
• ·Use the higher rates in the recommenced ranges in areas of heav~' weed
infestation or when the organic matter content is 3 percent or more.
···Use rates listed in this label using Extrazine II 4L. Use equivalent rates
when using Extrazine II 90% dry flowable formulations. One quart of
Extrazine II 4L equals 1.1 pounds of Extrazine II 90% dry flowable.
····Refer to the "USE RESTRICTIONS" section of this label for restrictions.
[ J MON-8421e pl~. PRINCEP [ J
For weeds controlled preemergence, see the "WEEDS CONTROLLED" section of this
label for MON-8421® plus Princep.
NOTE: LAND TREATED WITH PRINCEP SHOULD NOT B'~ PLANTED TO ANY CROP OTHER THAN
CORN FOR ONE YEAR FOLLOWING TREATMENT AS CROP INJURY MAY OCCUR. AFTER HARVEST
OF TREATED CROP, PLOW AND THOROUGHLY TILL THE SOIL IN THE FALL OR SPRING TO
MINIMIZE POSSIBLE INJURY TO SPRING SEEDED ROTATIONAL CROPS.
See the following table for recommended rates of MON-8421® plus Princep 1n
this tank mixture on various soil types.
MON-8421.REl 41 11/9/95
- ••• - •• -·~-_· __ • _________________ ._~_ •• _~~._~~ .. ~ ... a~ .... _ .. ~. __ ._ ....... _,., .'

SOIL
TEXTURAL
GROUp·
Coarse····
Medium
Fine
BROADCAST RATE PER ACRE ••
MON-B42l®
(PINTS)
3
3 to 4
3.5 to 4.5
+ PRINCEP 4L···
(QUARTS)
1. 25 to
1.5
1.5
to 2.0
to 2.0 1.5
·Refer to the "SOIL TEXTURE" section of this label to determine the
) corresponding textural group for the soil to be treated.
""Use the higher rates in the recommended ranges in areas of heavy weed
infestation or when the organic matter content is 3 percent or more.
···Use rates listed in this labp.l when using Princep 4L. Use equivalent
rates when using Princep 90% dry flowable formulations. One quart of
Princep 4L equals 1.1 pounds of Princep 90% dry flowable.
""."Refer to the "USE RFSTRICTIONS" section of this label for restrictions.
[ J MON-8421. plua PURSUIT [ J
For weeds controlled preemergence, see the "WEEDS CONTROLLED" section of this
label for MON-B421® plus Pursuit.
NOTE: THIS TANI;-MIXTURE IS FOR USE ONLY ON SELECTED FIELD CORN HYBRIDS (IMI
CORN) WARRANTED BY THE SEED COMPANY TO POSSESS RESISTANCE/TOLERANCE TO DIRECT
APPLICATION OF PURSUIT (FOR I~XAMPLE: PIONEER IR HYBRIDS). DO NOT APPLY
PURSUIT TO CORN HYBRIDS WHICH LACK GENETIC RESIST~~CE/TOLERANCE TO PURSUIT
HERBICIDE. OBSERVE ALL PRECAUTIONS AND LIMITATIONS ON THE MON-B42l® AND
PURSUIT LABELS BEFORE USE OF THIS TANK MIXTURE INCLUDING PRECAUTIONS ON
MINIMUM RECROPPING INTERVAL AND ROTATIONAL GUIDELINES.
See the following table for recommended rates of MON-8421® plus Pursuit in
this tank mixture on various soil types.
SOIL
TEXTURAL
GROUP"
Coarse···
Medium
Fine
1'100-8421. Rei
BROADCAST RATE PER ACRE ""
MON-8421®
( PINTS)
3
3 to 4
3.5 to 4.5
+
47
PURSUIT
(OUNCES)
4
4
4
11/9/95
.....•... _ ...... _._------ ------------.-,-,~,--,-,-.... ,-.--.. ,-.-.... '" ...... , ... .

)
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
"Use the higher rates in the recommended range in areas of heavy weed
infestation or when the organic matter content is 3 percent or more.
···Refer to the "USE RESTRICTIONS" section of this label for restrictions.
[ J MON-S421. plu. ATRAZrNZ plu. BLADEX
(TANK MIXTURE)
[ J
This tank mixture may be applied for additional preemergence control of heavy
weed infestations and/or hard-to-control weeds listed for MON-B421® plus
atrazine in the "WEEDS CONTROLLED" section of this label.
DO NOT graze treated area or feed treated forage to livestock for 21 days
following application of this tank mixture.
NOTE: The maximum application rate of atrazine is 2.5 pounds active ingredient
per acre per calendar year (2.5 quarts per acre atrazine 4L). On highly
erodible soils (as defined by the Soil Conservation Service) with less than 30
percent residue cover, the maximum rate of atrazine is 1.6 pounds active
ingredient (:.6 quarts per acre of atrazine 4L). On soils not highly erodible
or on hiqhly erodible soils with more than 30 percent plant residue cover, the
maximum ,.ate of atrazine is 2 pounds active ingredient per acre (2 quarts per
acre of atrazine 4L) .
CORN, SOYBEANS> OR MILO (SORGHUM) can be planted the year following use of
this mixture.
>There is a possibiljty of injury due to carryover of atrazine if soybeans
or other nonlabeled crops are planted the following year. DO NOT plant
soyoeans the year following use of this tank mixturp on furrow irrigated
corn.
See the following table for recommended rates of MON-B421® plus Atrazine plus
Bladex in this tank mixture on various soil types.
BROADCAST RATE PER ACRE ••
SOIL
TEXTURAL ATRAZINE BLADEX
GROUp· MON-8421® + 4L*** + 4L .. ••
(PINTS) (QUARTS) (QUARTS)
Coarse···· 3 0.5 to 2.0 1.0 to 2.0
Medium 3 to 4 1.0 to 2.0 1.5 to 2.0
Fine 3.5 to 4.5 1.0 to 2.0 1.5 to 2.0
MOH-8421.REl 43 11/9/9~

)
)
·Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
··Use the higher rates in the recommended ranges in areas of heavy weed
infestation or when the soil organic matter content is 3 percent or more.
'··Use rates listed in this label when using Bladex and Atrazine 4L
formulations. Use equivalent rates when using 90% dry flowable
formulations. One quart of 4L formulation equals 1.1 pounds of 90% dry
flowable.
····On coarse-textured soils containing less than 2% organic matter, use
MON-8421® plus Bladex only on sandy loam. Do not use on sand and
loamy sand with less than 2% organic matter. Refer to the "USE
RESTRICTIONS" section of this label for restrictions.
[ I MON-St21. plu. ATRAZrNB plu. PRXNCEP
(TANK MIXTURE)
[ I
This tank mixture may be applied for additional preemergence control of hea~i
weed infestations and/or hard-to-control weeds listed for MON-842l® plus
atrazine in the "WEEDS CONTROLLED" section of this label.
DO NOT graze treated area or feed treated forage to livestock for 21 days
following application of this tank mixture.
NOTE: The maximum application rate of atrazine is 2.5 pounds active ingredient
per acre per calendar year (2.5 quarts per acre atrazine 4L). On highly
erodible soils (as defined by the Soil Conservation Service) with less than 30
p~rcent residue cover, the maximum rate of atrazine is 1.6 pounds active
ingredient (1.6 quarts per acre of atrazine 4L). On soils not highly erodible
or on highly erodible soils with more than 30 percent plant residue cover, the
maximum rate of atrazine is 2 pounds active ingredient per acre (2 quarts per
acre of atrazine 4L).
NOTE: LAND TREATED WITH PRINCEP SHOULD NOT BE
CORN FOR ONE YEAR FOLLOWING TREATMENT AS CROP
PLANTED TO ANY CROP OTHER THAN
INJURY MAY OCCUR. AITER HARVEST
SOIL IN THE FALL OR SPRING TO OF TREATED CROP, PLOW AND THOROUGHLY TILL
MINIMIZE POSSIBLE INJURY TO SPRING SEEDED
OR MILO (SORGHUM) CAN BE PLANTED THE YEAR
THE
ROTATIONAL CROPS. CORN, SOYBEANS·
FOLLOWING USE OF THIS MIXTURE.
·There is a possibility of injury due to carryover of atrazine if soybeans or
other nonlabeled crops are planted the following year. DO NOT plant
soybeans the year following use of this tank mixture on furrow irrigated
corn.
See the following table for recommended rates of MON-8421® plus Atrazine plus
Princep tank mixture on various soil types.
MON-84l1.REl 44 11/9/95
5'1
__ ~ __________ ~~'~"~':d:''':_':'_:':_':_:'~==':'.=':::::::::::_:_:: ... :::::::::.~.:-__ ~ ______________________ ~_ .. ~~" __________ ~~ .. ____ ~

)
SOIL
TEXTURAL
GROUP'
Coarse····
Medium
Fine
BROADCAST RATE PER ACRE ..
ATRAZINE PRINCEP
MON-B421® + 4L*·· + 4L···
(PINTS) (QUARTS) (QUARTS)
3 0.5 to 2.0 0.75 to 1.0
3 to 4 1.0 to 2.0 1.0 to 1.5
3.5 to 4.5 1.0 to 2.0 1.0 to 1.5
'Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding textural group for the soil to be treated.
47
"Use the higher rates in the recommended ranges in areas of heavy weed
infestation or when the soil organic matt.,r content is 3 percen~ or more.
···Use rates listed in this label when using Princep and Atrazine 4L
formulations. Use equivalent rates when using 90. dry flowable
formulations. One quart of 4L formulation equals 1.1 pounds of 90% dry
flowable.
····Refer to the "USE RESTRICTIONS" section of this label for restrictions.
EARLY PREPLANT APPLICATION
For use in no-till and other conservation tillage systems.
If emerged weeds are present at the time of treatment, Roundup, Gramoxone
Extra or 2,4-D should be added to this product according to the directions for
use on their respective product labels. If unsatisfactory weed control occurs
(due to exces'~vely dry or excessively wet conditions) following the earlier
application, a postemergence application of an appropriate labeled grass
and/or broadleaf weed herbicide may be used. If a postemergence treatment
includes the herbicide used early preplant, do not exceed the labeled rate for
corn on a given soil texture. Observe all precautions and limitations on the
labels for MON-842l®, Roundup, and Gramoxone Extra, 2,4-0 and other
postemergence herbicides before use of these products.
DO NOT apply tank mixture containing Roundup, Gramoxone Extra or other contact
herbicides by air.
MON-8421.
This product, when applied in a single application or split application will
provide preemergence control or reduced competition of the annual grasses and
broadleaf weeds listed in the "WEEDS CONTROLLED" section of this label. If
MON-8421.REl 45 11/9/95

weeds are emerged at time of application, apply a labeled contact herbicide
with this product. Observe the directions lor use, precautions ~~d
restrictions on the label of the contact herbicide.
APPROVED APPLICATION SYSTEMS
Ground - Broadcast boom
Dry Bulk Fertilizer Impregnation
ReLerence: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the applicati~n of this product using the system selected.
RECctlMENDED RATE lIND TDaHG or APPLICATION
Single applicatioD--Application of this product should be made less than 30
) days before planting but prior to weed emergence.
NOTE: Application on coarse soils should not be made more than two weeks prior
to planting.
Split application--Apply 60 percent of the recommended rate as a split
application prior to weed emergence and no more than 45 dCl.ys prior to planting
and the remaining 40 percent at or immediately following planting but before
crop emergence.
See the following table for recommended broadcast rates per acre for single
and split applications.
SOIL
TEXTURAL
GROUP'
Coarse··
Medium
Fine
BROADCAST RATE PER ACRE (PINTS)
MON-8421®
2.75 to 3.5
4 to 4.75
4.75 to 5.25
'Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding soil textural group for the soil to be treated.
"Refer to the "USE RESTRICTIONS" section of this label for restrictions.
In order to provide broad-spectrum weed control, both single and split
applications of this product must be followed with a planned postemergence
application of a labeled broadleaf and/or grass herbicide. Observe the
directions for use, precautions and restrictions on the label of the
postemergence herbicide before use of these products.
If emerged weeds exist at planting, the application of a contact herbicide or
tillage is recommended when possible to eliminate existing weeds.
MON-8421.RE::1 46 11/9/95

MON-84218 plu. ATRAZlHE
('1'ANJt MJ:XTtJRl!!)
This tank mixtuLe, when applied in a single application (alone or in a 3-way
combination with Bladex or Princep), split application or as a sequential
application to Bladex or Princep in early preplant programs, will provide
preemergence control or reduced competition of annual grasses and broadleaf
weeds listed in the "WEEDS CONTROLLED" section of this label.
DO NOT graze treated area or feed treated forage to livestock for 21 days
following application of this tank mixture.
NOTE: The maximum application rate of atrazine is 2.5 pounds active ingredient
per acre per calendar year (2.5 quarts per acre atrazine 4L). On highly
erodible soils (as defined by the Soil Conservation Service) with less than 30
percent residue cover, the maximum rate of atrazine is 1.6 pounds active
) ingredient (1.6 quarts per acre of atrazine 4L). On soils not highly erodible
or on highly erodible soils with more than 30 percent plant residue cover, the
maximum rate of atrazine is 2 pounds active ingredient per acre (2 quarts per
acre of atrazine 4L).
i
CORN, SOYBEANS* OK MILO (SORGP.UM) can be planted the year following use of
this mixture.
*There is a possibility of injury due to carryover of atrazine if soybeans or
other nonlabeled crops are planted the following year. DO NOT plant
soybeans the year following use of this tank mixtuLe on furrow irrigated
corn.
APPROVED APPLICATION SYSTEMS
Ground - Broaacas; boom
Dry Bulk Fertilizer Impregnation
Reference: The "APPLICATION SYSTEMS" section of this label provides detailed
information on the application of this product using the system selected.
RECCNa:NDED RATE AND TIMING OF APPLICATION
Single application--Application of this product should be made less than 30
days before planting but prior to weed emergence.
NOTE: Application on coarse soils should not be made more than two weeks prior
to planting.
Split application--Apply 60 percent of the recommended rate as a split
application prior to weed emergence and no more than 45 days prior to planting
and the remaining 40 percent at or immediately following planting but before
crop emergence.
See the following table for recommended broadcast rates per acre for single
and split applications.
47 11/9/90

)
SOIL
TEXTURAL
GROUP"
Coarse····
Medium
Fine
BROADCAST RATE PER ACRE""
MON-8421®
(PINTS)
3
3
3.5
to 4
to 4.5
+ ATRAZINE 4L"""
(QUARTS)
1.25
1.5
1.5
to 1.5
to 2.0
to 2.0
"Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding soil textural group for the soil to be treated.
""Use the higher rates in the recommended ranges in areas of heavy lieed
infestation.
···Usc rates listed in this label when using atrazine 4L. Use equivalent
rates when using atrazine 90% dry flowable formulations. One quart of
atrazine 4L equals 1.1 pounds of atrazine 90% dry flowable.
····Refer to the "USE RESTRICT:ONS" section of this label for restrictions.
If emerged weeds exist at planting, the application of a contact herbicide or
tillage is recommended when possible to eliminate .~xisting weeds.
Sequential applicatio~pplication of this tank mixture following Bladex
should be utilized for the control of fall panicum, crabgrass or broadleaf
signalgrass. Apply 1.5 to 2 quarts per acre of Bladex or 1 to 1.25 quarts per
acre of Princep prior to weed emergence and no more than 45 days prior to
plar.ting. At or immediately following planting, but before crop emergence,
\ apply the recommended rate of this tank mixture.
I
NOTE: LAND TREATED WITH PRINCEP SHOULD NOT BE PLANTED TO ANY CROP OTHER THAN
CORN FOR ONE YEAR FOLLOWING TREATMENT AS CROP INJURY MAY OCCUR. AITER HARVEST
OF TREAT!:D CROP, PLOW AND THOROUGHLY TILL THE SOIL IN THE FALL OR SPRING TO
MINIMIZE.: POSSIBLE INJURY TO SPRING SEEDED ROTATIONAL CROPS.
Following application of Bladex or Princep, see the following table for
recoHllnendpd ra t€'s.
BROADCAST RATE PER ACRE··
SOIL
TEXTURAL MON-8421® + ATRAZINE 4L""·
GROUp· (PINTS) (QUARTS)
Coarse···· 3 1. 25
Medium 4 1.5
Fil1e 4 to 4.5 1.5 to 2.0
MON-B421.RF:1 48 11/9/95

)
-Refer to the "SOIL TEXTURE" section of this label to determine the
corresponding soil textural group for the soil to be treated.
-·Use the higher rates in the recommended ranges in areas of heavy weed
infestation.
-··Use rates listed in this label when using atrazine 4L. Use equivalent
rates when using atrazine 90% dry flowable formulations. One quart of
atrazine 4L equals 1.1 pounds of atrazine 90% dry flowable ..
--··Refer to the "USE RESTRICTIONS" section of this label for restrictions.
5/ ? SL{
If emerged weeds exist at planting, the application of a contact herbicide or
tillage is recommended when possible to eliminate existing weeds.
APPENDIX
List of common and scientific names of annual grasses and broad1eaf weeds.
Barnyardgrass
Echinocloa crus-galli
Crabgrass
Digitaria ischaemum
Digitaria sanguinalis
Cupgrass, woolly
Eriochloa villosa
Foxtail, giant
Setaria faberi
Foxtail: green, robust
purple, robust white
Setaria viridis
Foxtail, yellow
Setaria lutescens
Goosegrass
Eleusine indica
Johnsongrass, seedling
Sorghum halepense
Millet, foxtail
Setaria italica
Millet, proso
Panicum miliaceum
Oats, wild
Avena fatua
MON-8421.REl
ANNUAL GRASSES
49 11/9/95

Panicum, brown top
Panicw~ fasciculatum
Panicum, fall
Panicum dichotomiflorum
Panicum, Texas
Panicum texanum
Rice, red
Oryza sativa
Sandbur, Grassbur
Cenchrus incertus
Shattercane, wildcane
) Sorghum bicolor
Signalgrass, broadleaf
Brachiaria platyphylla
Sprangletop, red
Leptochloa filiformis
Wheat, volunteer
Triticum aestivum
Witchgrass
Panicum capillare
Beggarwecd, Florida
Desmodium tortuosum
Carpetweed
Mollugo verticillata
Cocklebur
Xanthium strumarium
Coffeeweed
Herrp sesbania
Sesbania exaltata
Copperleaf, hophornbeam
Acalypha spp.
Galinsoga
Galinsoga spp.
Groundcherry, annual
Physalis spp.
Groundcherry, cutleaf
Physalis angulata
MON-8421.REI
ANNUAL BROADLEAVES
50 11/9/9~

)
Henbit
Lamium amplexicaule
Jimsonweed
Datura stramonium
Kochia
Kochia scoparia
Lambsquarters
Chenopodium album
Morningglory:
Tall
Ipomoea purpurea
Pitted
Ipomoea lacunosa
Ivyleaf
Ipomoea hederacea
Entireleaf
Ipomoea hederacea
var. intergriuscula
Small flower
Jacquemontia tamnifolia
Mustard
Brassica spp.
Nightshade, black
Solanum nigrum
Nightshade, hairy
Solanum sarrachoides
Pigweed, Carelessweed
Amaranthus spp.
Purslane
Portulaca oleracea
Pus ley, Florida
Ri chardia scabra
Ragweed, common
Ambrosia artemisiifolia
Ragweed, giant
Ambrosia trifida
Sicklepod
Cassia obtusifolia
Sida, prickly; Teaweed
Sida spinosa
MON-8421.REI
53} 5lf
51 11/9/95
..... " ..... _ .... _-----

)
Smart weed
Polygonum pensylvanicum
Polygonum pensicaria
Starbur, bristly
Acanthospezmum hispidum
Sunflower, common
He 'anthus annuus
Velvetleaf, Buttonweed
Abutilon theophrasti
Waterhemp
Amaranthus tuberculatos
Nutsedge, yellow
Cyperus esculentus
SEDGE
®Roundup is a registered trademark of Monsanto Company.
~Surface Blend is a trademark of Monsanto Company.
~Agsorb is a trademark of Oil Dri Corporation.
~Banvel is a trademark of Sandoz, Inc.
~Bladex is a trademark of E.I. duPont de Nemours and Company.
~Clarity is a trademark of Sandoz, Inc.
~Extrazine is a trademark of E.I. duPont de Nemours and Company.
~Gramoxone is a trademark of a Zeneca Group Company.
TMMP-79 is a trademark of Eagle Picher Industries.
~Microcel is a trademark of Manville Products Corporation.
~Marksman is a trademark of Sandoz, Inc.
~Princep is c trademark of Ciba-Geigy Corporation.
~Prowl is a trademark of American Cyanamid Company.
~Pursuit is a trademark of American Cyanamid Company.
©MONSANTO COMPANY 1995
MONSANTO COMPANY
ST. LOUIS, MISSOURI 63167
HON-8421. REl 52 1119/95