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Co-authored-by: claude <claude@jpaul.io>
Co-committed-by: claude <claude@jpaul.io>

2026-06-04 21:05:30 -04:00

Corn yield trial — Brett Halvorson (Northwood, IA, 2025)

Publisher: ProHarvest Seeds (cross-vendor plot report)
Crop: Corn
Year: 2025
Location: Northwood, IA · Worth County
Cooperator: Brett Halvorson
Company rep: Ryan Frederich
Planted: 5/10/2025
Harvested: 10/12/2025
Row width: 30
Population: 35,000 seeds/acre
Tillage: Strip/Zone
Irrigation: Non-Irrigated
Source PDF: https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Halvorson-Northwood-IA.pdf

Results (head-to-head)

Rank	Brand	Hybrid/Variety	Trait	Yield/Ac	% H2O	Test Wt	+/- Ave
1	ProHarvest	79P54	SSPRO	229.61	20.4	56.8	24.3
2	ProHarvest	76P42	PCE	227.68	17	54.2	22.4
3	ProHarvest	71P50	SSPRO	226.9	18.1	55.1	21.6
4	ProHarvest	78P95	PCE	224.12	20.8	55.2	18.8
5	ProHarvest	80P75	PCE	223.83	21.6	52.9	18.5
6	ProHarvest	79P15	V	223.01	21	53.8	17.7
7	ProHarvest	76P42	PCE	222.56	17	53.6	17.3
8	ProHarvest	81P20	PCE	215.36	24.2	50.9	10.1
9	Wyffels	W5080	-	215.29	17.1	54.7	10
10	ProHarvest	76P42	CONV	214.04	17	55	8.8
11	ProHarvest	78P95	PCE	210.39	21	55.9	5.1
12	ProHarvest	73P40	CONV	207.95	16.4	56.3	2.7
13	ProHarvest	81P19	VT4PRIB	207.09	22.9	53.3	1.8
14	ProHarvest	75P85	DGVT2PRIB	203.16	16.8	54.9	-2.1
15	ProHarvest	74P10	CONV	201.54	17	56	-3.7
16	ProHarvest	77P25	VT4PRIB	200.45	16.9	54.6	-4.8
17	ProHarvest	81P65	V	198.48	20.5	53.2	-6.8
18	ProHarvest	72P32	D	196.99	17	57.7	-8.3
19	ProHarvest	74P10	PCE	193.84	16.4	57	-11.4
20	ProHarvest	75P85	SSRIB	189.29	18.2	55.4	-16
21	ProHarvest	71P16	CONV	188.98	14.1	55.1	-16.3
22	Kluver	RWK	07-201	180.38	16	58	-24.9
23	Kluver	RWK	103-170	173.86	16.3	57	-31.4
24	Kluver	RWK	96-490	151.93	15.1	56.9	-53.4