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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+# Soybean yield trial — Craig Richards (Streator, IL, 2025)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Soybean
+- **Year:** 2025
+- **Location:** Streator, IL · LaSalle County
+- **Cooperator:** Craig Richards
+- **Company rep:** Jeff Horner
+- **Planted:** 5/9/2025
+- **Harvested:** 9/30/2025
+- **Previous crop:** Corn
+- **Row width:** 30
+- **Population:** 150,000 seeds/acre
+- **Tillage:** Conventional
+- **Irrigation:** Non-Irrigated
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Soy-Richards-Streator-IL-min.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 31E65S | - | 87.08 | 9 | 57.2 | 6.2 |
+| 2 | ProHarvest | 31E65S | - | 86.35 | 9.1 | 57.3 | 5.4 |
+| 3 | ProHarvest | 3550 | - | 86.09 | 9.9 | 57.2 | 5.2 |
+| 4 | ProHarvest | 3131 | - | 85.4 | 9.7 | 57.6 | 4.5 |
+| 5 | ProHarvest | 3150 | - | 84.21 | 9.9 | 57.5 | 3.3 |
+| 6 | ProHarvest | 3060 | - | 81.31 | 9.5 | 58.3 | 0.4 |
+| 7 | ProHarvest | 2750 | - | 79.99 | 9 | 57 | -0.9 |
+| 8 | ProHarvest | 2950 | - | 79.73 | 9 | 57.1 | -1.2 |
+| 9 | ProHarvest | 2560 | - | 78.47 | 8.7 | 57.2 | -2.4 |
+| 10 | ProHarvest | 2860 | - | 76.11 | 9.1 | 56 | -4.8 |
+| 11 | ProHarvest | 2940 | - | 74.26 | 9.5 | 58.3 | -6.6 |
+| 12 | ProHarvest | 25E35 | - | 71.84 | 9.7 | 56.4 | -9.1 |