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 — Brooks Clayville (Snow Hill, MD, 2024)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2024
+- **Location:** Snow Hill, MD · Worcester County
+- **Cooperator:** Brooks Clayville
+- **Company rep:** David Hopkins
+- **Planted:** 5/21/2024
+- **Harvested:** 9/27/2024
+- **Previous crop:** Soybeans
+- **Row width:** 30
+- **Population:** 26,000 seeds/acre
+- **Irrigation:** Irrigated
+- **Fungicide:** Aquilla XL
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2024/11/Corn-Brooks-Clayville-Snow-Hill-MD-21863.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 84P78 | TRERIB | 225 | 24 | 53.3 | 20 |
+| 2 | ProHarvest | 83P66 | VT2PRIB | 219 | 22.1 | 55.4 | 14 |
+| 3 | ProHarvest | 8360 | VT2PRIB | 212 | 22.35 | 56.2 | 7 |
+| 4 | ProHarvest | 81P20 | PCE | 203 | 22.11 | 53.6 | -2 |
+| 4 | Pioneer | P1136 | AM | 203 | 22.27 | 55.3 | -2 |
+| 5 | ProHarvest | 80P75 | PCE | 191 | 21.52 | 53.7 | -14 |
+| 6 | ProHarvest | 79P54 | SSPRO | 182 | 21.77 | 55.7 | -23 |