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 — Tyler Deal (Danvers, IL, 2025)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2025
+- **Location:** Danvers, IL · Mclean County
+- **Cooperator:** Tyler Deal
+- **Company rep:** Rick Urish
+- **Planted:** 4/26/2025
+- **Harvested:** 9/25/2025
+- **Previous crop:** Soybeans
+- **Row width:** 30"
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Deal-Danvers-IL.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 84P78 | TRE RIB | 298.47 | 25.8 | - | 16.3 |
+| 2 | AgriGold | A644-64VT2 | VT2P RIB | 296.64 | 24.0 | - | 14.5 |
+| 3 | ProHarvest | 86P55 | TRE RIB | 295.17 | 24.3 | - | 13.0 |
+| 4 | Becks | 6492VT2 | VT2P RIB | 291.59 | 23.1 | - | 9.4 |
+| 5 | AgriGold | A642-32VT2 | VT2P RIB | 288.78 | 24.0 | - | 6.6 |
+| 6 | AgriGold | A642-05VT2 | VT2P RIB | 286.2 | 24.6 | - | 4.0 |
+| 7 | AgriGold | A645-71STX | SS RIB | 284.63 | 24.3 | - | 2.5 |
+| 8 | AgriGold | A640-94VT4 | VT4P RIB | 284.05 | 23.4 | - | 1.9 |
+| 9 | AgriGold | A645-55VT2 | VT2P RIB | 279.42 | 23.5 | - | -2.7 |
+| 10 | AgriGold | A642-18SSP | SSPRO | 277.96 | 23.4 | - | -4.2 |
+| 11 | ProHarvest | 80P75 | PCE | 275.42 | 20.8 | - | -6.7 |
+| 12 | ProHarvest | PH | 82P96PCE PCE | 273.61 | 21.5 | - | -8.5 |
+| 13 | AgriGold | A645-30VT2 | VT2P RIB | 272.94 | 24.7 | - | -9.2 |
+| 14 | ProHarvest | PH | 81P20PCE PCE | 264.86 | 21.5 | - | -17.3 |
+| 15 | AgriGold | A640-24 | CONV | 262.6 | 24.4 | - | -19.6 |