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 — Richard Cool (Callaway, NE, 2024)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2024
+- **Location:** Callaway, NE · Custer County
+- **Cooperator:** Richard Cool
+- **Company rep:** Derald Watson
+- **Planted:** 5/28/2024
+- **Harvested:** 10/17/2024
+- **Previous crop:** Corn
+- **Row width:** 30"
+- **Population:** 19,000 seeds/acre
+- **Tillage:** No-Till
+- **Irrigation:** Non-Irrigated
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2024/11/Corn-Richard-Cool-Callaway-NE-68825.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | Pioneer | P08527 | V | 142.03 | 15.4 | 57.4 | 15.2 |
+| 2 | Pioneer | P0859 | AM | 139.06 | 14.7 | 57.0 | 12.3 |
+| 3 | ProHarvest | 79P54 | SS RIB | 135.52 | 14.7 | 57.2 | 8.7 |
+| 4 | Pioneer | P05081 | AML | 125.77 | 16.3 | 57.2 | -1.0 |
+| 5 | Pioneer | P0622 | Qrome | 123.69 | 15.9 | 57.4 | -3.1 |
+| 6 | ProHarvest | 77P60 | SS RIB | 121.83 | 14.0 | 58.6 | -5.0 |
+| 7 | ProHarvest | 75P85 | SS RIB | 118.02 | 15.6 | 58.0 | -8.8 |
+| 8 | Pioneer | P05466 | V | 108.34 | 14.1 | 55.7 | -18.4 |