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 — SYNERGY SEEDS (Herscher, IL, 2025)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2025
+- **Location:** Herscher, IL · Kankakee County
+- **Cooperator:** SYNERGY SEEDS
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Bauer-Herscher-IL-min.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 19 | ProHarvest | 78P95 | Powercore 4 574 2020 18.9 261.2 23 $ | 9.0 | - | - | 93.79 |
+| 20 | Agrigold | 642-32 | VT2P 4 574 2260 23.2 276.7 12 $ | 9.0 | - | - | 93.42 |
+| 21 | Agrigold | 642-18 | SSPro 4 574 2240 23.4 273.6 15 $ | 9.0 | - | - | 79.33 |
+| 22 | ProHarvest | 81P20 | Powercore 4 574 2040 20.3 259.2 25 $ | 9.0 | - | - | 68.16 |
+| 23 | Agrigold | 636-42 | SSPro 4 574 1920 18.1 250.7 29 $ | 9.0 | - | - | 63.94 |
+| 24 | Wyffels | 7424 | Powercore 4 574 2180 23.0 267.6 19 $ | 9.0 | - | - | 63.43 |
+| 25 | Wyffels | 4514 | Powercore 4 574 1860 16.9 246.4 30 $ | 9.0 | - | - | 62.28 |
+| 26 | Burrus | 5C11 | Powercore 4 574 2140 23.7 260.3 24 $ | 9.0 | - | - | 28.04 |
+| 27 | Agrigold | 640-94 | VT4 4 574 2180 24.6 262.1 21 $ | 9.0 | - | - | 22.44 |
+| 28 | Merschman | 2512C30 | Powercore 4 574 2120 23.6 258.2 26 $ | 9.0 | - | - | 21.86 |
+| 29 | ProHarvest | 82P96 | Powercore 4 574 2100 23.3 256.8 27 $ | 9.0 | - | - | 20.6 |
+| 30 | Wyffels | 8007 | VT4 4 574 2140 25.5 254.2 28 $ | 8.0 | - | - | 83.27 |