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seed-mcp/corpus/illinois_vt_trials/ilvt-soybeans-2025-r2.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

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{
"source": "illinois_vt_trials",
"source_key": "ilvt-soybeans-2025-r2",
"data_type": "trial",
"vendor": "University of Illinois",
"brand_aggregator": "University of Illinois Variety Testing publishes",
"brand": "University of Illinois VT",
"crop": "soybeans",
"state": "IL",
"state_abbrev": "il",
"year": 2025,
"region": "Region 2",
"rotation": "corn following soybean",
"previous_crop": null,
"cooperator": "Greg Steckel",
"county": "Warren",
"sites": [
"Monmouth",
"Goodfield"
],
"soil_type": "Sabble silty clay loam",
"tillage": "Field cultivate",
"planted_date": "2025-05-13",
"harvested_date": "2025-10-14",
"row_width": null,
"latitude": 40.929861,
"longitude": -90.725704,
"results": [
{
"rank": 1,
"brand": "Xitavo",
"product": "XO 3555E",
"traits": "HT:EN ST:Be",
"metrics": {
"Yield": 86.24,
"Height": 39.36,
"Protein": 34.05,
"Oil": 19.85
}
},
{
"rank": 2,
"brand": "Burrus",
"product": "3578E",
"traits": "HT:EN ST:BS",
"metrics": {
"Yield": 84.58,
"Height": -9,
"Protein": 33.62,
"Oil": 20.17
}
},
{
"rank": 3,
"brand": "Baird Seed",
"product": "Illini HPB 3441NY",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 81.61,
"Height": 38.36,
"Protein": 33.75,
"Oil": 20.23
}
},
{
"rank": 4,
"brand": "Burrus",
"product": "3472E",
"traits": "HT:EN ST:BS",
"metrics": {
"Yield": 81.18,
"Height": 37.44,
"Protein": 36.37,
"Oil": 19.7
}
},
{
"rank": 5,
"brand": "Sun Prairie",
"product": "SP 35E36",
"traits": "HT:RL ST:B",
"metrics": {
"Yield": 80.86,
"Height": 34.5,
"Protein": 33.33,
"Oil": 19.93
}
},
{
"rank": 6,
"brand": "Xitavo",
"product": "XO 3855E",
"traits": "HT:EN ST:Be",
"metrics": {
"Yield": 79.87,
"Height": 41.36,
"Protein": 35.8,
"Oil": 19.38
}
},
{
"rank": 7,
"brand": "DONMARIO",
"product": "DM33E55",
"traits": "HT:EN ST:BS",
"metrics": {
"Yield": 79.71,
"Height": 41.78,
"Protein": 34.1,
"Oil": 20.82
}
},
{
"rank": 8,
"brand": "Lakeview Farms",
"product": "LVF3472",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 79.32,
"Height": -9,
"Protein": 34.25,
"Oil": 19.48
}
},
{
"rank": 9,
"brand": "Lakeview Farms",
"product": "LVF3674",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 78.79,
"Height": 40.33,
"Protein": 37.35,
"Oil": 22.1
}
},
{
"rank": 10,
"brand": "Lakeview Farms",
"product": "LVF3831",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 78.68,
"Height": 37.7,
"Protein": 33.78,
"Oil": 19.6
}
},
{
"rank": 11,
"brand": "Sun Prairie",
"product": "SP 36F25",
"traits": "HT:RL ST:B",
"metrics": {
"Yield": 78.4,
"Height": 42.33,
"Protein": 34.45,
"Oil": 19.82
}
},
{
"rank": 12,
"brand": "Burrus",
"product": "3287E",
"traits": "HT:EN ST:BS",
"metrics": {
"Yield": 76.99,
"Height": 36.5,
"Protein": 34.65,
"Oil": 19.98
}
},
{
"rank": 13,
"brand": "Confluence Genetics",
"product": "BH39A232",
"traits": "HT:CV ST:BS",
"metrics": {
"Yield": 76.34,
"Height": 41.5,
"Protein": 34.78,
"Oil": 19
}
},
{
"rank": 14,
"brand": "Sun Prairie",
"product": "SP 33E36",
"traits": "HT:RL ST:B",
"metrics": {
"Yield": 75.92,
"Height": 38.17,
"Protein": 33.6,
"Oil": 20.2
}
},
{
"rank": 15,
"brand": "Lakeview Farms",
"product": "LVF2849",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 74.44,
"Height": 37.33,
"Protein": 37.53,
"Oil": 22.85
}
},
{
"rank": 16,
"brand": "Confluence Genetics",
"product": "BH39A150",
"traits": "HT:CV ST:BS",
"metrics": {
"Yield": 73.27,
"Height": 45.86,
"Protein": 34.87,
"Oil": 18.95
}
},
{
"rank": 17,
"brand": "Burrus",
"product": "2916E",
"traits": "HT:EN ST:BS",
"metrics": {
"Yield": 73.19,
"Height": 37.5,
"Protein": 34.17,
"Oil": 20.12
}
},
{
"rank": 18,
"brand": "Lakeview Farms",
"product": "LVF2872",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 72.94,
"Height": 37.17,
"Protein": 34.37,
"Oil": 19.83
}
},
{
"rank": 19,
"brand": "Confluence Genetics",
"product": "BH35A233",
"traits": "HT:CV ST:BS",
"metrics": {
"Yield": 72.69,
"Height": 41.67,
"Protein": 35.05,
"Oil": 19.33
}
},
{
"rank": 20,
"brand": "Xitavo",
"product": "XO 3014E",
"traits": "HT:EN ST:Be",
"metrics": {
"Yield": 72.59,
"Height": 37.17,
"Protein": 34.15,
"Oil": 19.95
}
},
{
"rank": 21,
"brand": "Confluence Genetics",
"product": "C38H052S",
"traits": "HT:STS ST:BS",
"metrics": {
"Yield": 71.8,
"Height": 39.28,
"Protein": 36.88,
"Oil": 18.1
}
},
{
"rank": 22,
"brand": "Confluence Genetics",
"product": "C37H051S",
"traits": "HT:STS ST:BS",
"metrics": {
"Yield": 71.32,
"Height": 42.53,
"Protein": 37.15,
"Oil": 16.95
}
},
{
"rank": 23,
"brand": "Lakeview Farms",
"product": "LVF3134",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 71.31,
"Height": 37.5,
"Protein": 34.12,
"Oil": 20.67
}
},
{
"rank": 24,
"brand": "Lakeview Farms",
"product": "LVF3432",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 71.29,
"Height": 38.69,
"Protein": 37.27,
"Oil": 22.17
}
},
{
"rank": 25,
"brand": "Xitavo",
"product": "XO 2865E",
"traits": "HT:EN ST:Be",
"metrics": {
"Yield": 71.1,
"Height": 38.5,
"Protein": 34.43,
"Oil": 19.22
}
},
{
"rank": 26,
"brand": "DONMARIO",
"product": "DM24E84",
"traits": "HT:EN ST:BS",
"metrics": {
"Yield": 69.77,
"Height": 38.5,
"Protein": 38.05,
"Oil": 22.38
}
},
{
"rank": 27,
"brand": "Lakeview Farms",
"product": "LVF3073",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 68.93,
"Height": 43.33,
"Protein": 34.47,
"Oil": 19.42
}
},
{
"rank": 28,
"brand": "Northern Star",
"product": "2965N",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 68.34,
"Height": 36.5,
"Protein": 37.48,
"Oil": 22.32
}
},
{
"rank": 29,
"brand": "Northern Star",
"product": "3113Np",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 68.18,
"Height": 36.17,
"Protein": 34.38,
"Oil": 20.63
}
},
{
"rank": 30,
"brand": "Baird Seed",
"product": "Illini 2812Na",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 67.91,
"Height": 38.17,
"Protein": 35.23,
"Oil": 20.1
}
},
{
"rank": 31,
"brand": "Confluence Genetics",
"product": "BH38F550",
"traits": "HT:CV ST:BS",
"metrics": {
"Yield": 67.48,
"Height": 44.28,
"Protein": 38.17,
"Oil": 17.52
}
},
{
"rank": 32,
"brand": "Confluence Genetics",
"product": "N35D950S",
"traits": "HT:STS ST:BS",
"metrics": {
"Yield": 67.14,
"Height": 39.86,
"Protein": 39.07,
"Oil": 17.35
}
},
{
"rank": 33,
"brand": "Confluence Genetics",
"product": "BH37Q218",
"traits": "HT:CV ST:BS",
"metrics": {
"Yield": 66.77,
"Height": 47.78,
"Protein": 39.17,
"Oil": 17.77
}
},
{
"rank": 34,
"brand": "Baird Seed",
"product": "Illini 2999N",
"traits": "HT:CV ST:B",
"metrics": {
"Yield": 64.96,
"Height": 38.33,
"Protein": 36.1,
"Oil": 19.18
}
},
{
"rank": 35,
"brand": "Confluence Genetics",
"product": "BX39C784",
"traits": "HT:CV ST:BS",
"metrics": {
"Yield": 64.41,
"Height": 45.17,
"Protein": 39.55,
"Oil": 21.15
}
},
{
"rank": 36,
"brand": "Confluence Genetics",
"product": "BH36U203",
"traits": "HT:CV ST:BS",
"metrics": {
"Yield": 63.34,
"Height": 39.67,
"Protein": 43.33,
"Oil": 20.43
}
},
{
"rank": 37,
"brand": "Xitavo",
"product": "XO 2926E",
"traits": "HT:EN ST:Be",
"metrics": {
"Yield": 60.59,
"Height": 37.5,
"Protein": 37.57,
"Oil": 22.08
}
},
{
"rank": 38,
"brand": "Confluence Genetics",
"product": "BH31Q146",
"traits": "HT:STS ST:BS",
"metrics": {
"Yield": 60.49,
"Height": 37.67,
"Protein": 40.47,
"Oil": 17.45
}
}
],
"n_results": 38,
"source_urls": [
"https://vt.cropsci.illinois.edu/wp-content/uploads/2025/11/2025-Region-2.xlsx",
"https://vt.cropsci.illinois.edu/soybeans/"
],
"tos_note": "No usage terms posted on UIUC VT site; publicly-funded land-grant data; attribute University of Illinois Variety Testing.",
"fetched_at": "2026-06-10T12:14:59.723924+00:00",
"scraper_version": "0.1.0"
}
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