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 — Sam &amp; Julie Serven (St. Augustine, IL, 2024)
+
+- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
+- **Crop:** Corn
+- **Year:** 2024
+- **Location:** St. Augustine, IL · Fulton County
+- **Cooperator:** Sam &amp; Julie Serven
+- **Company rep:** Eric Yoder
+- **Planted:** 5/17/2024
+- **Harvested:** 10/22/2024
+- **Previous crop:** Soybeans
+- **Row width:** 30
+- **Population:** 33,000 seeds/acre
+- **Tillage:** Min-Till
+- **Irrigation:** Non-Irrigated
+- **Fungicide:** Yes
+- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2024/11/Corn-Sam-Julie-Serven-St-Augustine-IL-61474.pdf
+
+---
+
+## Results (head-to-head)
+
+| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
+|---|---|---|---|---|---|---|---|
+| 1 | ProHarvest | 84P78 | TRERIB | 266.9 | 15.7 | 59.4 | 11.4 |
+| 2 | LG Seeds | LG63C32STXRIB | - | 264.7 | 16 | 58.3 | 9.2 |
+| 2 | ProHarvest | 84P78 | TRERIB | 264.7 | 15.8 | 59.4 | 9.2 |
+| 3 | LG Seeds | LG64C43 | VT2RIB | 264.4 | 17.5 | 59 | 8.9 |
+| 3 | ProHarvest | 84P78 | TRERIB | 264.4 | 16.1 | 58 | 8.9 |
+| 4 | ProHarvest | 83P66 | VT2PRIB | 255.9 | 17.6 | 58.1 | 0.4 |
+| 5 | LG Seeds | LG66C44 | VT2PRIB | 255.1 | 16.6 | 59.9 | -0.4 |
+| 6 | LG Seeds | LG62C73VT2P | - | 254.4 | 16.8 | 59.3 | -1.1 |
+| 7 | LG Seeds | LG63C82 | DGVT2 | 254 | 15.1 | 61.3 | -1.5 |
+| 8 | ProHarvest | 81P20 | PCE | 253.1 | 14.2 | 58.3 | -2.4 |
+| 9 | ProHarvest | 83P33 | DGVT2PRIB | 250.3 | 15.6 | 59.2 | -5.2 |
+| 10 | ProHarvest | 85P58 | SSRIB | 248.5 | 16.2 | 63 | -7 |
+| 11 | LG Seeds | LG65C30VT2P | - | 244.3 | 16.3 | 62.6 | -11.2 |
+| 12 | ProHarvest | 84P30 | AA | 236.6 | 17.2 | 59.3 | -18.9 |