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seed-mcp/corpus/proharvest_plots/phpr-corn-2025-9826.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

2.2 KiB

Corn yield trial — Brian Egel (Nichols, IA, 2025)

  • Publisher: ProHarvest Seeds (cross-vendor plot report)
  • Crop: Corn
  • Year: 2025
  • Location: Nichols, IA · Muscatine County
  • Cooperator: Brian Egel
  • Company rep: Jake Ekstrand
  • Planted: 4/27/2025
  • Harvested: 10/2/2025
  • Previous crop: Soybeans
  • Row width: 30
  • Population: 34,000 seeds/acre
  • Tillage: Conventional
  • Irrigation: Non-Irrigated
  • Source PDF: https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Egel-Nichols-IA-min.pdf

Results (head-to-head)

Rank Brand Hybrid/Variety Trait Yield/Ac % H2O Test Wt +/- Ave
1 ProHarvest 78P95 PCE 230.09 11.8 59 31.5
2 ProHarvest 81P19 VT4PRIB 230.02 12 59 31.4
3 ProHarvest 84P78 TRERIB 224.91 12.4 60 26.3
4 Cornelius 7399 PCE 221.85 12.2 58 23.3
5 ProHarvest 82P96 PCE 220.06 12.2 58 21.5
6 ProHarvest 83P66 VT2PRIB 219.37 11.4 58 20.8
7 ProHarvest 79P15 V 214.35 12.1 59 15.8
8 Cornelius C7235 PCE 210.01 12.1 58 11.4
9 Cornelius C7448 PCE 205.64 13.2 58 7.1
10 Cornelius C7202 SSP 204.72 11 60 6.1
11 Brevant B13C49 PCE 203.16 11 58 4.6
12 ProHarvest 83P48 SSPRO 202.39 12.7 59 3.8
13 Cornelius C7120 - 201.9 12.6 59 3.3
14 ProHarvest 79P54 SSPRO 201.45 11.6 59 2.9
15 ProHarvest 81P20 PCE 193.04 11.9 57 -5.5
16 Cornelius C7216 VT4P 192.35 15.1 59 -6.2
17 Cornelius C7021 DP 191.97 12 59 -6.6
18 Cornelius 7342 SSP 190.62 12.6 58 -8
19 ProHarvest 81P45 TRERIB 189.83 11.1 58 -8.7
20 ProHarvest 77P25 VT4PRIB 188.3 10.7 57 -10.3
21 Cornelius C7366 DGDP 187.69 12.1 58 -10.9
22 ProHarvest 85P58 VT2PRIB 187.53 12.8 60 -11
23 Brevant B12H48 PCE 169.56 11.3 57 -29
24 Cornelius C6847 TRE 167.93 12 58 -30.6
25 Cornelius C7373 SSP 164.54 12 58 -34
26 ProHarvest 86P55 TRERIB 149.62 14.2 56 -49