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 — Vonderfecht Brothers (Gladstone, NE, 2024)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Soybean
+- **Year:** 2024
+- **Location:** Gladstone, NE · Jefferson County
+- **Cooperator:** Vonderfecht Brothers
+- **Company rep:** Trent Geistlinger
+- **Planted:** 5/28/2024
+- **Harvested:** 10/2/2024
+- **Previous crop:** Soybeans
+- **Row width:** 30
+- **Population:** 150,000 seeds/acre
+- **Tillage:** No-Till
+- **Irrigation:** Non-Irrigated
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2024/11/Soy-Vonderfect-Brothers-Gladstone-NE-68352.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 38F46 | - | 48.05 | 7.6 | 57.7 | 4.1 |
+| 2 | ProHarvest | 36F58 | - | 44.85 | 7 | 58.1 | 0.9 |
+| 3 | ProHarvest | 27F59 | - | 42.45 | 8.8 | 56.2 | -1.5 |
+| 4 | ProHarvest | 32F54 | - | 42.28 | 7.5 | 57.6 | -1.6 |
+| 5 | ProHarvest | 29F42 | - | 41.98 | 7.3 | 57.3 | -1.9 |