# 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

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## 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 |