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 — Blair Hoerbert (San Jose, IL, 2025)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2025
+- **Location:** San Jose, IL · Logan County
+- **Cooperator:** Blair Hoerbert
+- **Company rep:** Tom Forrest
+- **Planted:** 5/7/2025
+- **Harvested:** 9/26/2025
+- **Previous crop:** Soybeans
+- **Row width:** 30
+- **Population:** 36,000 seeds/acre
+- **Tillage:** Conventional
+- **Irrigation:** Non-Irrigated
+- **Fungicide:** Yes
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Hoerbert-San-Jose-IL-2.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 81P88 | TRERIB | 270.25 | 26.7 | 52.6 | 19.9 |
+| 2 | ProHarvest | 81P88 | TRERIB | 261.6 | 25.2 | 53.7 | 11.3 |
+| 3 | ProHarvest | 81P88 | TRERIB | 245.25 | 26 | 52.6 | -5.1 |
+| 4 | ProHarvest | 81P88 | TRERIB | 224.23 | 28.8 | 52.2 | -26.1 |