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 — Dan Wesch (Arcola, IL, 2025)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2025
+- **Location:** Arcola, IL · Douglas County
+- **Cooperator:** Dan Wesch
+- **Company rep:** Tom Forrest
+- **Planted:** 5/11/2025
+- **Harvested:** 10/23/2025
+- **Previous crop:** Soybeans
+- **Row width:** 30
+- **Population:** 35,000 seeds/acre
+- **Tillage:** Conventional
+- **Irrigation:** Non-Irrigated
+- **Fungicide:** Yes
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Wesch-Arcola-IL.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 81P45 | TRERIB | 241.18 | 14.3 | 58.6 | 14.2 |
+| 2 | ProHarvest | 81P19 | VT4PRIB | 238.58 | 14.9 | 57.5 | 11.6 |
+| 3 | ProHarvest | 83P66 | VT2PRIB | 236.2 | 14.9 | 56.7 | 9.2 |
+| 4 | ProHarvest | 85P58 | VT2PRIB | 234.09 | 14.6 | 59.3 | 7.1 |
+| 5 | ProHarvest | 84P78 | TRERIB | 232.53 | 15.5 | 57.1 | 5.5 |
+| 6 | ProHarvest | 83P48 | SSPRO | 224.84 | 14.2 | 59.8 | -2.2 |
+| 7 | ProHarvest | 86P55 | TRERIB | 224.11 | 17 | 54.4 | -2.9 |
+| 8 | ProHarvest | 82P96 | PCE | 208.52 | 14.3 | 57 | -18.5 |
+| 9 | ProHarvest | 84P41 | PCE | 203.01 | 14.6 | 58.1 | -24 |