Files
seed-mcp/corpus/ohio_ocpt_trials/ocpt-corn-2025-nw-2yr-van-wert.json
T
claude 54094a0d43 Add university-extension variety trials: Illinois VT + Iowa ICPT + Ohio OCPT (+123 trial docs)
Independent third-party performance data — land-grant programs that test every
entered brand side-by-side with replication + LSD stats. This is the legitimate
way to get Pioneer / DEKALB / Brevant / Channel performance the corpus can't
scrape directly (data_type=trial, results[] shape; falls through the trial
chunker).

- illinois_vt_trials (30 docs, 1,392 rows) — U of Illinois VT. Per-region XLSX
  (openpyxl), corn + soy + WHEAT, 2024+2025. Rich per-site agronomic metadata;
  corn-following-corn vs -soybean kept distinct.
- iowa_icpt_trials (24 docs, 674 rows) — Iowa State ICPT. ASP.NET GridView
  (viewstate postback for year/district), corn + soy by district x season.
- ohio_ocpt_trials (69 docs, 4,647 rows) — OSU/CFAES OCPT. Report PDF
  (pdfplumber; per-site column groups split by header Yield-token count +
  x-coord footnote bucketing), corn + soy per site, 2024+2025.

91 distinct seed brands across the three; majors confirmed present in the
independent rankings: DEKALB 395, Golden Harvest 249, Channel 241, NK 212,
Xitavo 135, LG 103, Pioneer 88, Asgrow 59. (A brand only appears where it
ENTERED a given program — e.g. Brevant not in Iowa, DEKALB/Channel not in
Illinois — true negatives, not parse gaps.)

- rag/chunk.py: gated `include_region` on _render_gh_plot_chunk; the 3 university
  sources route through it so the region/district is in the embedded chunk +
  labeled "variety trial (cross-vendor, independent third-party)". Existing plot
  sources (gh/lg/agrigold/proharvest) unchanged.
- requirements.txt: openpyxl (Illinois XLSX; scrape-time only).
- sources.json + README/CLAUDE/lessons: registered + attributed; lessons
  trial-data + Pioneer entries updated (Pioneer/DEKALB performance now available
  indirectly via these trials).

Validation: all 123 chunk via rag.chunk.chunks_from_trial (0 errors), 0
out-of-range yields, 0 dup keys. Public land-grant data; attribution recorded in
each tos_note. CI rebuilds the index from the committed corpus.
2026-06-10 08:35:50 -04:00

953 lines
20 KiB
JSON

{
"source": "ohio_ocpt_trials",
"source_key": "ocpt-corn-2025-nw-2yr-van-wert",
"data_type": "trial",
"vendor": "The Ohio State University",
"brand_aggregator": "Ohio Corn/Soybean Performance Test publishes",
"brand": "Ohio Crop Performance Test",
"crop": "corn",
"state": "OH",
"state_abbrev": "oh",
"year": 2025,
"region": "NW",
"site": "Van Wert",
"cooperator": null,
"county": null,
"soil_type": null,
"previous_crop": null,
"tillage": null,
"table_label": "TABLE 5. Two year hybrid performance in NORTHWESTERN Ohio, 2024-2025.",
"results": [
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}
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}
},
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}
},
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}
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}
},
{
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}
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"rank": 63,
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}
},
{
"rank": 64,
"brand": "SEED CONSULTANTS",
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}
},
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}
},
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}
},
{
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},
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"Harv. Moisture": 16.5,
"Stalk Lodging": 4,
"Final Stand": 337,
"Emergence": 96
}
},
{
"rank": 69,
"brand": "BA GENETICS",
"product": "BA 25-11 VT2P",
"traits": "RR,CB",
"metrics": {
"Yield": 209.4,
"Harv. Moisture": 15.7,
"Stalk Lodging": 17,
"Final Stand": 345,
"Emergence": 98
}
},
{
"rank": 70,
"brand": "AXIS SEED",
"product": "59D20",
"traits": null,
"metrics": {
"Yield": 205.8,
"Harv. Moisture": 15.3,
"Stalk Lodging": 2,
"Final Stand": 356,
"Emergence": 97
}
},
{
"rank": 71,
"brand": "SEED GENETICS DIRECT",
"product": "Direct 3111-3110",
"traits": null,
"metrics": {
"Yield": 201.9,
"Harv. Moisture": 16.9,
"Stalk Lodging": 0,
"Final Stand": 354,
"Emergence": 98
}
}
],
"n_results": 71,
"tos_note": "© OSU on the report; explicit no-endorsement clause; public CFAES extension publication; attribute Ohio Corn/Soybean Performance Test, OSU CFAES.",
"source_urls": [
"https://ohiocroptest.cfaes.osu.edu/corntrials/CountryJournal2025.pdf"
],
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}