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claude 54094a0d43 Add university-extension variety trials: Illinois VT + Iowa ICPT + Ohio OCPT (+123 trial docs)

Independent third-party performance data — land-grant programs that test every
entered brand side-by-side with replication + LSD stats. This is the legitimate
way to get Pioneer / DEKALB / Brevant / Channel performance the corpus can't
scrape directly (data_type=trial, results[] shape; falls through the trial
chunker).

- illinois_vt_trials (30 docs, 1,392 rows) — U of Illinois VT. Per-region XLSX
  (openpyxl), corn + soy + WHEAT, 2024+2025. Rich per-site agronomic metadata;
  corn-following-corn vs -soybean kept distinct.
- iowa_icpt_trials (24 docs, 674 rows) — Iowa State ICPT. ASP.NET GridView
  (viewstate postback for year/district), corn + soy by district x season.
- ohio_ocpt_trials (69 docs, 4,647 rows) — OSU/CFAES OCPT. Report PDF
  (pdfplumber; per-site column groups split by header Yield-token count +
  x-coord footnote bucketing), corn + soy per site, 2024+2025.

91 distinct seed brands across the three; majors confirmed present in the
independent rankings: DEKALB 395, Golden Harvest 249, Channel 241, NK 212,
Xitavo 135, LG 103, Pioneer 88, Asgrow 59. (A brand only appears where it
ENTERED a given program — e.g. Brevant not in Iowa, DEKALB/Channel not in
Illinois — true negatives, not parse gaps.)

- rag/chunk.py: gated `include_region` on _render_gh_plot_chunk; the 3 university
  sources route through it so the region/district is in the embedded chunk +
  labeled "variety trial (cross-vendor, independent third-party)". Existing plot
  sources (gh/lg/agrigold/proharvest) unchanged.
- requirements.txt: openpyxl (Illinois XLSX; scrape-time only).
- sources.json + README/CLAUDE/lessons: registered + attributed; lessons
  trial-data + Pioneer entries updated (Pioneer/DEKALB performance now available
  indirectly via these trials).

Validation: all 123 chunk via rag.chunk.chunks_from_trial (0 errors), 0
out-of-range yields, 0 dup keys. Public land-grant data; attribution recorded in
each tos_note. CI rebuilds the index from the committed corpus.

2026-06-10 08:35:50 -04:00

5.1 KiB

Raw Blame History

Soybean yield trial — Iowa South District (Full Season), 2024

Source: Iowa Crop Performance Tests (independent third-party trial)
Publisher: Iowa State University / Iowa Crop Improvement Association
Crop: Soybean
State: IA
District: South
Maturity season: Full Season
Year: 2024
Experiment mean yield: 67.9 bu/a
Cooperator sites: Lewis, Corning, Milo, Batavia, Crawfordsville
URL: https://www.croptesting.iastate.edu/Soybean/SoybeanDistrict2.aspx

Results (by yield, all brands)

Rank	Company	Entry	Traits	MG	Yield	WestYield	EastYield	Corning	Milo	Batavia	Crawfordsville
1	P3 Genetics	2438E	E3	3.8	73.2	67.4	74.1	70.1	64.7	77.3	80.2
2	Dyna-Gro	S38EN75	E3	3.8	72.6	66.8	73.5	70.6	62.9	77	80.6
3	Nutech/G2 Genetics	36N06E	E3	3.6	72.5	67.4	71.8	73.8	61	74.8	79.6
4	Xitavo	XO 3555E	E3	3.5	72.3	61.1	75.7	62.6	59.6	83.1	84.5
5	Golden Harvest	GH3774E3	E3	3.7	71.9	66	72.7	68.8	63.2	76.1	78.8
6	Asgrow	AG35XF5	RR2XF	3.5	71.5	66.8	73.1	67.9	65.8	75.2	78.4
7	Asgrow	AG36XF4	RR2XF	3.6	71	65.5	71.5	70.2	60.7	73.4	80.5
8	Nutech/G2 Genetics	37N03E	E3	3.7	70.7	63.5	71.5	69.4	57.7	74.6	82.3
9	Xitavo	XO 3752E	E3	3.7	70.2	65.3	70.5	69.3	61.3	70.6	79.5
10	Renk	RS395NXF	RR2XF	3.9	69.9	63.3	69.3	71.6	55	77	76
11	Cornelius	CB36XF60	RR2XF	3.6	69.7	63	70.9	65.8	60.2	75.6	76.9
12	Benson Hill	BH39A150	Conv	3.9	69.7	65.4	69.6	69.8	61	73.2	74.6
13	Latham	L 3635 E3	E3	3.6	69.5	63.8	69.9	69.2	58.4	73	78.3
14	Renk	G3380E	E3	3.3	69.5	63.4	70.9	64.9	61.9	72.8	77.9
15	Xitavo	XO 3855E	E3	3.8	69.3	59.9	71.9	63	56.8	79.1	79.9
16	Viking/Blue River	3418N	Conv	3.4	68.9	63.3	71.2	62.8	63.8	71.6	78.3
17	Dyna-Gro	S37XF15	RR2XF	3.7	68.9	61.2	70.5	63.8	58.7	75.8	77.1
18	NK Seeds	NK33-Y7E3S	E3S	3.3	68.8	62.4	70.8	63.5	61.3	72.6	78.4
19	Nutech/G2 Genetics	38N05E	E3	3.8	68.8	66	68	71.7	60.3	64.8	78.7
20	P3 Genetics	2337E	E3	3.7	68.7	62.5	70.3	64.2	60.9	70.2	79.9
21	Nutech/G2 Genetics	34N02E	E3	3.4	68.7	61.9	70.7	62.4	61.4	74.7	76
22	Nutech/G2 Genetics	35N05E	E3	3.5	68.7	62.8	69.9	65.9	59.8	74.6	75.4
23	P3 Genetics	2434E	E3	3.4	68.6	63.4	69.6	65.6	61.2	69.9	77.7
24	Golden Harvest	GH3693E3S	E3S	3.6	68.4	63	68.9	66.8	59.1	70.5	77.1
25	Viking/Blue River	39R4	Conv	3.9	68.4	60	71.1	59.8	60.3	75.3	77.8
26	Xitavo	XO 3375E	E3	3.3	68.2	62	69	65.5	58.4	71.8	76.7
27	Latham	L 3411 E3	E3	3.4	68.2	64.6	68.5	65.6	63.5	69.8	72.4
28	Renk	G3890E	E3	3.8	67.7	56.9	72.5	52.2	61.7	78	77.9
29	NK Seeds	NK36-Q6E3S	E3S	3.6	67.5	59	69.1	63.7	54.4	73.7	79.2
30	Pioneer	P37A18E	E3	3.7	67.4	63.2	66.7	70.1	56.3	67.3	76.6
31	Xitavo	XO 3655E	E3	3.6	67.3	59.5	69.1	62.2	56.7	74.9	75.6
32	Benson Hill	BH35A231	Conv	3.5	67.1	63.7	67.2	66.6	60.8	70.7	70.2
33	Renk	G3580ES	E3S	3.5	67	61.9	67.6	65.7	58.1	69.6	75.1
34	Golden Harvest	GH3373E3S	E3S	3.3	66.8	63.1	67	66.9	59.2	67.6	74.1
35	Cornelius	CB33XF26	RR2XF	3.3	66.7	59.3	69.1	59.6	58.9	74.6	73.7
36	Pioneer	P35T15E	E3	3.5	66.4	60.9	67.4	64.4	57.3	73	71.8
37	NK Seeds	NK34-Z8E3S	E3S	3.4	66.2	59.4	67.8	62.3	56.5	71.5	75.4
38	Benson Hill	BH37U222	Conv	3.7	65.9	62.5	66.1	65.3	59.6	66.6	72.3
39	Benson Hill	BX38F550	Conv	3.8	65.2	59.7	66	62.1	57.2	68.9	72.1
40	Xitavo	XO 3705E	E3	3.7	65	55.5	67.5	58.3	52.6	70.8	79.1
41	Benson Hill	BH37Q218	Conv	3.7	64.4	64	63.5	67.9	60.1	63.9	66.5
42	Benson Hill	BH35A233	Conv	3.5	64.2	58.1	65.9	59.9	56.3	65.5	75.9
43	Renk	RS353NXF	RR2XF	3.5	63.9	63.4	63.6	65.9	61	63.2	66.5
44	Benson Hill	BX36Q861	Conv	3.6	62.7	58.7	62.4	63.3	54	65.5	67.8
45	Benson Hill	BX37Q467	Conv	3.7	62.5	55.4	64.9	54.7	56	69.6	69.1
46	Benson Hill	BH37U206	Conv	3.7	61.9	55.2	63.2	57.6	52.9	69.2	67.3
47	Benson Hill	BX33U326	Conv	3.3	61.2	56.8	63.6	54.2	59.5	61.3	69.9
48	Benson Hill	BX34U578	Conv	3.4	60.6	56.2	62.1	56.7	55.8	63.2	67.5

Top 5 by Yield: 2438E (P3 Genetics) 73.2, S38EN75 (Dyna-Gro) 72.6, 36N06E (Nutech/G2 Genetics) 72.5, XO 3555E (Xitavo) 72.3, GH3774E3 (Golden Harvest) 71.9.

5.1 KiB Raw Blame History

Soybean yield trial — Iowa South District (Full Season), 2024

Results (by yield, all brands)

5.1 KiB

Raw Blame History