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 — Brock Sanderson (Lee, IL, 2025)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2025
+- **Location:** Lee, IL · Dekalb County
+- **Cooperator:** Brock Sanderson
+- **Company rep:** Jeff Horner
+- **Planted:** 4/16/2025
+- **Harvested:** 10/4/2025
+- **Row width:** 30"
+- **Population:** 35,000 seeds/acre
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Sanderson-Lee-IL.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 82P96PWE | PCE | 285.46 | 19.5 | - | 12.7 |
+| 2 | Cropland | CP5320SS | SS RIB | 284.35 | 20.6 | - | 11.6 |
+| 3 | Brevant | 14C59V | VCE | 282.8 | 21.4 | - | 10.0 |
+| 4 | Brevant | 08R32V | VCE | 275.29 | 15.5 | - | 2.5 |
+| 5 | Brevant | 11C37V | VCE | 273.86 | 20.9 | - | 1.1 |
+| 6 | Brevant | 04R11Q | Qrome | 272.08 | 14.4 | - | -0.7 |
+| 7 | Dekalb | 106-98 | VT4P RIB | 271.49 | 15.8 | - | -1.3 |
+| 8 | Dekalb | 107-33 | SSPRO | 265.31 | 13.5 | - | -7.4 |
+| 9 | Cropland | CP4470SS | SS RIB | 261.51 | 14.4 | - | -11.2 |
+| 10 | Cropland | CP4917SSP | SSPRO | 255.44 | 14.9 | - | -17.3 |