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seed-mcp/corpus/proharvest_plots/phpr-corn-2025-9916.md
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claude 89eea0f2b4 Add ProHarvest Seeds: 119 varieties + 161 cross-vendor plot reports
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.
2026-06-04 21:04:33 -04:00

1.3 KiB

Corn yield trial — Larry Reichert (Maria Stein, OH, 2025)


Results (head-to-head)

Rank Brand Hybrid/Variety Trait Yield/Ac % H2O Test Wt +/- Ave
1 ProHarvest 78P95 PCE 206.13 16 None 11.5
2 ProHarvest 76P42 PCE 202.87 14 None 8.3
2 ProHarvest 77P25 VT4PRIB 202.87 14 None 8.3
3 ProHarvest 79P54 SSPRO 200.51 15 None 5.9
4 ProHarvest 75P85 DGVT2PRIB 191.8 14 None -2.8
5 ProHarvest 78P30 VT2PRIB 191.26 14.5 None -3.3
6 ProHarvest 79P15 V 186.55 14 None -8.1
7 ProHarvest 80P75 PCE 185.47 14.5 None -9.1
8 ProHarvest 79P87 SSRIB 184.02 14.5 None -10.6