Add ProHarvest Seeds: 119 varieties + 161 cross-vendor plot reports (#16)

Co-authored-by: claude <claude@jpaul.io> Co-committed-by: claude <claude@jpaul.io>
2026-06-04 21:05:30 -04:00
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+# Corn yield trial — Rob Pinkerton (Beatrice, NE, 2024)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2024
+- **Location:** Beatrice, NE · Gage County
+- **Cooperator:** Rob Pinkerton
+- **Company rep:** Trent Geistlinger
+- **Planted:** 5/17/2024
+- **Harvested:** 10/1/2024
+- **Previous crop:** Soybeans
+- **Row width:** 30
+- **Population:** 24,000 seeds/acre
+- **Tillage:** No-Till
+- **Irrigation:** Non-Irrigated
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2024/11/Corn-Rob-Pinkerton-Beatrice-NE-68310.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 78P23 | PCE | 174.46 | 13 | 56 | 13.1 |
+| 2 | ProHarvest | 80P75 | PCE | 174.26 | 13 | 56 | 12.9 |
+| 3 | ProHarvest | 81P20 | PCE | 164.01 | 13.2 | 55 | 2.6 |
+| 4 | ProHarvest | 83P33 | DGVT2PRIB | 163.31 | 14 | 56.4 | 1.9 |
+| 5 | ProHarvest | 83P66 | VT2PRIB | 160.84 | 14.5 | 56.3 | -0.5 |
+| 6 | ProHarvest | 82P79 | VT2PRIB | 157.55 | 14.1 | 58.5 | -3.8 |
+| 7 | ProHarvest | 81P65 | V | 157.11 | 13.8 | 57.7 | -4.3 |
+| 8 | ProHarvest | 84P30 | AA | 151.36 | 14.7 | 53.5 | -10 |
+| 9 | ProHarvest | 84P78 | TRERIB | 149.43 | 12.4 | 56.6 | -11.9 |