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 — Menard County Plot (Tallula, IL, 2025)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2025
+- **Location:** Tallula, IL · Menard County
+- **Cooperator:** Menard County Plot
+- **Company rep:** Rick Urish
+- **Planted:** 4/14/2025
+- **Harvested:** 9/23/2025
+- **Previous crop:** Soybeans
+- **Row width:** 30"
+- **Population:** 35,500 seeds/acre
+- **Tillage:** Strip/Zone
+- **Irrigation:** Non-Irrigated
+- **Fungicide:** None
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Menard-County-Plot-Tallula-IL-min.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 84P78 | TRE RIB | 266.27 | 19.2 | 63.0 | 26.2 |
+| 2 | ProHarvest | 84P78 | TRE RIB | 261.06 | 20.6 | 61.0 | 21.0 |
+| 3 | ProHarvest | 86P55 | TRE RIB | 253.61 | 18.4 | 60.0 | 13.5 |
+| 4 | ProHarvest | 84P41 | PCE | 252.76 | 15.9 | 63.0 | 12.7 |
+| 5 | Burrus | 6N54 | VT2P RIB | 251.92 | 16.8 | 64.0 | 11.8 |
+| 6 | Dekalb | 66-06 | TRE RIB | 251.09 | 16.8 | 60.0 | 11.0 |
+| 7 | Dekalb | 112-12 | TRE RIB | 248.24 | 16.5 | 60.0 | 8.1 |
+| 8 | Burrus | 4V73 | AM | 248.14 | 14.0 | 63.0 | 8.0 |
+| 9 | Dekalb | 68-35 | VT2P RIB | 246.87 | 15.9 | 59.0 | 6.8 |
+| 10 | Great | Heart | 7360 V | 245.55 | 14.9 | 63.0 | 5.5 |
+| 11 | ProHarvest | 80P75 | PCE | 243.83 | 13.7 | 63.0 | 3.7 |
+| 12 | Great | Heart | 7272 PCE | 242.57 | 14.9 | 62.0 | 2.5 |
+| 13 | Burrus | 5C11 | PCE | 238.11 | 15.5 | 63.0 | -2.0 |
+| 14 | Wyffels | 7876 | VT2P RIB | 237.46 | 14.9 | 63.0 | -2.6 |
+| 15 | ProHarvest | 83P17 | PCE | 237.22 | 18.0 | 62.0 | -2.9 |
+| 16 | Great | Heart | 7195 TRE RIB | 235.92 | 15.3 | 63.0 | -4.2 |
+| 17 | ProHarvest | 81P20 | PCE | 232.38 | 14.5 | 62.0 | -7.7 |
+| 18 | Burrus | 7B14 | PCE | 225.26 | 14.2 | 63.0 | -14.8 |
+| 19 | Wyffels | 7485 | TRE RIB | 219.16 | 14.9 | 63.0 | -20.9 |
+| 20 | Wyffels | 5684 | PCE | 218.61 | 14.2 | 63.0 | -21.5 |
+| 21 | Wyffels | 7424 | PCE | 217.76 | 14.7 | 64.0 | -22.3 |
+| 22 | Wyffels | 7485 | TRE RIB | 208.33 | 14.9 | 64.0 | -31.8 |