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ProHarvest Seeds (independent Corn Belt brand, proharvestseeds.com) exposes a public, no-auth WordPress REST API — cleaner ingestion than the HTML-only independents. Two new sources: - `proharvest` (variety identity, 119 row-crop varieties: 70 corn / 47 soy / 2 wheat). Enumerated via /wp/v2/seed (seed-type taxonomy), agronomics parsed from each /seed/<slug>/ detail page into structured characteristics_groups so the ratings actually embed. Mixed scale: disease 1-9 numeric (9=best, no flip), agronomic/general qualitative, soil HR/R. - `proharvest_plots` (trials, data_type=trial, 161 plots, 2024+2025). Per- cooperator harvest reports via the custom /wp-json/proharvest/v1/plots?y= endpoint + PDF table extraction. Many are cross-vendor head-to-head (ProHarvest/Apex vs Pioneer/DEKALB/Becks/Channel/Wyffels). Handles ruled tables, unruled tables (text fallback; soy drops the Test-Wt column → 4 vs 5 numerics), and off-template third-party reports (sanity-gated to verbatim so junk rows never ship). Image-only PDFs skipped + counted. - rag/chunk.py: route proharvest_plots through the shared cross-vendor plot renderer (structured) / verbatim body (raw_text fallback). - sources.json + lessons.md (rating-scales, trial-data). - README/CLAUDE.md corpus inventory brought current (it had drifted: bayer 931 not 475; ebberts/lg/agrigold were unlisted). New totals: 1,645 variety + 6,787 trial records. robots.txt permissive (only search + /dealer-* disallowed); no ToS automation clause. CI rebuilds the index from the committed corpus.
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Soybean yield trial — Rob Pinkerton (Beatrice, NE, 2025)
- Publisher: ProHarvest Seeds (cross-vendor plot report)
- Crop: Soybean
- Year: 2025
- Location: Beatrice, NE · Gage County
- Cooperator: Rob Pinkerton
- Company rep: Trent Geistlinger
- Planted: 5/17/2025
- Harvested: 10/23/2025
- Previous crop: Corn
- Row width: 15
- Population: 160,000 seeds/acre
- Tillage: No-Till
- Irrigation: Non-Irrigated
- Source PDF: https://proharvestseeds.com/wp-content/uploads/2025/10/Soy-Pinkerton-Beatrice-NE.pdf
Results (head-to-head)
| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
|---|---|---|---|---|---|---|---|
| 1 | Apex | AE3550S | - | 73.99 | 8.9 | 53.8 | 8.4 |
| 2 | Apex | AE3660 | - | 71.11 | 8.8 | 55.4 | 5.5 |
| 3 | Apex | AE3960S | - | 70.35 | 8.9 | 54.9 | 4.7 |
| 4 | Apex | AE3920S | - | 64.83 | 8.8 | 54.9 | -0.8 |
| 5 | Apex | AE2940S | - | 63.63 | 8.5 | 55 | -2 |
| 6 | Apex | AE3060 | - | 63.49 | 8.7 | 52.4 | -2.1 |
| 7 | ProHarvest | 31E65S | - | 62.64 | 8.9 | 54.9 | -3 |
| 8 | Apex | AE3720S | - | 54.8 | 8.8 | 53.7 | -10.8 |