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54094a0d433a86af08082cd7473d2bdd3f52d4d7
seed-mcp/corpus/ohio_ocpt_trials/ocpt-corn-2025-ne-wooster.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": "ohio_ocpt_trials",
"source_key": "ocpt-corn-2025-ne-wooster",
"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": "NE",
"site": "Wooster",
"cooperator": null,
"county": null,
"soil_type": null,
"previous_crop": null,
"tillage": null,
"table_label": "Table 7E. Performance of hybrids in the early maturity trial. NORTH CENTRAL and NORTHEASTERN Ohio, 2025.",
"results": [
{
"rank": 1,
"brand": "SHUR GROW",
"product": "SG-5885PCE",
"traits": null,
"metrics": {
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"Harv. Moisture": 17.1,
"Stalk Lodging": 1,
"Final Stand": 339,
"Emergence": 99
}
},
{
"rank": 2,
"brand": "SHUR GROW",
"product": "SG-6807DV",
"traits": "GT,CB,RW,LL,BCW,VIP",
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"Harv. Moisture": 19.7,
"Stalk Lodging": 0,
"Final Stand": 346,
"Emergence": 97
}
},
{
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"brand": "AXIS SEED",
"product": "57K72",
"traits": null,
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"Harv. Moisture": 17.3,
"Stalk Lodging": 0,
"Final Stand": 346,
"Emergence": 95
}
},
{
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"Final Stand": 292,
"Emergence": 98
}
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"product": "SG-6550PCE",
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"Final Stand": 337,
"Emergence": 98
}
},
{
"rank": 6,
"brand": "EBBERTS",
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"Final Stand": 341,
"Emergence": 96
}
},
{
"rank": 7,
"brand": "DEKALB",
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"Emergence": 98
}
},
{
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"brand": "EBBERTS",
"product": "7000TR",
"traits": null,
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"Harv. Moisture": 16,
"Stalk Lodging": 0,
"Final Stand": 355,
"Emergence": 97
}
},
{
"rank": 9,
"brand": "LG SEEDS",
"product": "LG 51C62D",
"traits": null,
"metrics": {
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"Harv. Moisture": 17,
"Stalk Lodging": 0,
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"Emergence": 99
}
},
{
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"brand": "FS INVISION",
"product": "FS 5559PC RA",
"traits": "RR,CB,LL,Enlist",
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"Stalk Lodging": 0,
"Final Stand": 345,
"Emergence": 95
}
},
{
"rank": 11,
"brand": "DYNA-GRO",
"product": "D44PN56RA",
"traits": null,
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"Harv. Moisture": 16.8,
"Stalk Lodging": 0,
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"Emergence": 96
}
},
{
"rank": 12,
"brand": "DEKALB",
"product": "DKC108-64RIB",
"traits": "RR,CB,RW,LL,CEW",
"metrics": {
"Yield": 205,
"Harv. Moisture": 19.2,
"Stalk Lodging": 2,
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}
},
{
"rank": 13,
"brand": "DEKALB",
"product": "DKC104-08RIB",
"traits": "RR,CB,BCW,WBC",
"metrics": {
"Yield": 202.8,
"Harv. Moisture": 17.4,
"Stalk Lodging": 0,
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}
},
{
"rank": 14,
"brand": "SHUR GROW",
"product": "SG-5440DV",
"traits": null,
"metrics": {
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}
},
{
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"product": "DKC103-07RIB",
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"metrics": {
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"Stalk Lodging": 0,
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"Emergence": 95
}
},
{
"rank": 16,
"brand": "SHUR GROW",
"product": "SG-6884PCE",
"traits": "RR,CB,LL,Enlist",
"metrics": {
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"Stalk Lodging": 1,
"Final Stand": 333,
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}
},
{
"rank": 17,
"brand": "VIKING / BLUE RIVER",
"product": "75-07",
"traits": null,
"metrics": {
"Yield": 199.9,
"Harv. Moisture": 17.4,
"Stalk Lodging": 0,
"Final Stand": 333,
"Emergence": 97
}
},
{
"rank": 18,
"brand": "BA GENETICS",
"product": "BA 26-06 PCE",
"traits": null,
"metrics": {
"Yield": 199.3,
"Harv. Moisture": 18.9,
"Stalk Lodging": 0,
"Final Stand": 311,
"Emergence": 87
}
},
{
"rank": 19,
"brand": "SHUR GROW",
"product": "SG-6310PCE",
"traits": "RR,CB,LL,Enlist",
"metrics": {
"Yield": 197.8,
"Harv. Moisture": 16.6,
"Stalk Lodging": 0,
"Final Stand": 346,
"Emergence": 99
}
},
{
"rank": 20,
"brand": "AXIS SEED",
"product": "53M77",
"traits": null,
"metrics": {
"Yield": 196.3,
"Harv. Moisture": 17.3,
"Stalk Lodging": 1,
"Final Stand": 370,
"Emergence": 97
}
},
{
"rank": 21,
"brand": "NK",
"product": "NK0451-AA",
"traits": null,
"metrics": {
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"Emergence": 96
}
},
{
"rank": 23,
"brand": "DEKALB",
"product": "DKC099-11RIB",
"traits": "RR,CB",
"metrics": {
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"Harv. Moisture": 17.1,
"Stalk Lodging": 0,
"Final Stand": 341,
"Emergence": 98
}
},
{
"rank": 24,
"brand": "SEED CONSULTANTS",
"product": "SC 1006PCE",
"traits": "RR,CB,LL,Enlist",
"metrics": {
"Yield": 193.5,
"Harv. Moisture": 17,
"Stalk Lodging": 0,
"Final Stand": 327,
"Emergence": 97
}
},
{
"rank": 25,
"brand": "SEED CONSULTANTS",
"product": "SC 1066PCE",
"traits": null,
"metrics": {
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"Harv. Moisture": 16.7,
"Stalk Lodging": 1,
"Final Stand": 325,
"Emergence": 97
}
},
{
"rank": 26,
"brand": "AXIS SEED",
"product": "AEXPT108",
"traits": "RR,CB,LL,Enlist",
"metrics": {
"Yield": 193.2,
"Harv. Moisture": 18.2,
"Stalk Lodging": 0,
"Final Stand": 352,
"Emergence": 98
}
},
{
"rank": 27,
"brand": "SEED CONSULTANTS",
"product": "SC 1055PCE",
"traits": null,
"metrics": {
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"Harv. Moisture": 17.4,
"Stalk Lodging": 0,
"Final Stand": 332,
"Emergence": 97
}
},
{
"rank": 28,
"brand": "SEEDWAY",
"product": "SW 0123PE RA",
"traits": null,
"metrics": {
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"Harv. Moisture": 17.7,
"Stalk Lodging": 0,
"Final Stand": 330,
"Emergence": 98
}
},
{
"rank": 29,
"brand": "VIKING / BLUE RIVER",
"product": "49-05",
"traits": null,
"metrics": {
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"Harv. Moisture": 16.2,
"Stalk Lodging": 0,
"Final Stand": 339,
"Emergence": 99
}
},
{
"rank": 30,
"brand": "SEED CONSULTANTS",
"product": "SC 1086PCE",
"traits": null,
"metrics": {
"Yield": 193,
"Harv. Moisture": 17.8,
"Stalk Lodging": 0,
"Final Stand": 319,
"Emergence": 95
}
},
{
"rank": 31,
"brand": "SEED GENETICS DIRECT",
"product": "Direct 9107 GT",
"traits": null,
"metrics": {
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"Harv. Moisture": 17.3,
"Stalk Lodging": 0,
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"Emergence": 92
}
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{
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"Emergence": 97
}
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"brand": "NK",
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"traits": null,
"metrics": {
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"Harv. Moisture": 19.7,
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"Final Stand": 346,
"Emergence": 99
}
},
{
"rank": 34,
"brand": "SHUR GROW",
"product": "SG-6106DV",
"traits": null,
"metrics": {
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"Harv. Moisture": 17,
"Stalk Lodging": 0,
"Final Stand": 320,
"Emergence": 93
}
},
{
"rank": 35,
"brand": "SEED GENETICS DIRECT",
"product": "AGI-C-5105 PWE",
"traits": null,
"metrics": {
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"Stalk Lodging": 0,
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"Emergence": 91
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},
{
"rank": 36,
"brand": "AUGUSTA SEED",
"product": "A4057 Conv",
"traits": null,
"metrics": {
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"Final Stand": 299,
"Emergence": 99
}
},
{
"rank": 37,
"brand": "SEED GENETICS DIRECT",
"product": "AGI-C-6104 PWE",
"traits": "RR,CB,LL,Enlist",
"metrics": {
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"Harv. Moisture": 17.5,
"Stalk Lodging": 0,
"Final Stand": 364,
"Emergence": 99
}
},
{
"rank": 38,
"brand": "SHUR GROW",
"product": "SG-6491PCE",
"traits": "RR,CB,LL,Enlist",
"metrics": {
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"Harv. Moisture": 17.2,
"Stalk Lodging": 0,
"Final Stand": 343,
"Emergence": 99
}
},
{
"rank": 39,
"brand": "BA GENETICS",
"product": "BA 25-07 PCE",
"traits": null,
"metrics": {
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"Harv. Moisture": 18.1,
"Stalk Lodging": 0,
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"Emergence": 95
}
},
{
"rank": 40,
"brand": "LG SEEDS",
"product": "LG 55C40TRC",
"traits": null,
"metrics": {
"Yield": 187,
"Harv. Moisture": 16.6,
"Stalk Lodging": 1,
"Final Stand": 346,
"Emergence": 97
}
},
{
"rank": 41,
"brand": "LG SEEDS",
"product": "LG 53C44VT2RIB",
"traits": null,
"metrics": {
"Yield": 186.8,
"Harv. Moisture": 15.9,
"Stalk Lodging": 0,
"Final Stand": 342,
"Emergence": 98
}
},
{
"rank": 42,
"brand": "SEEDWAY",
"product": "SW 9655PE RA",
"traits": null,
"metrics": {
"Yield": 186.8,
"Harv. Moisture": 16.8,
"Stalk Lodging": 0,
"Final Stand": 305,
"Emergence": 96
}
},
{
"rank": 43,
"brand": "SEEDWAY",
"product": "SW 9522TR RIB",
"traits": "GT,CB,LL,VIP",
"metrics": {
"Yield": 185.3,
"Harv. Moisture": 16,
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"Final Stand": 324,
"Emergence": 98
}
},
{
"rank": 44,
"brand": "SHUR GROW",
"product": "SG-6314DV",
"traits": "GT,CB,RW,LL,BCW,VIP",
"metrics": {
"Yield": 185.3,
"Harv. Moisture": 17.2,
"Stalk Lodging": 0,
"Final Stand": 334,
"Emergence": 96
}
},
{
"rank": 45,
"brand": "SEED GENETICS DIRECT",
"product": "Direct 5107-V",
"traits": null,
"metrics": {
"Yield": 184.9,
"Harv. Moisture": 16.5,
"Stalk Lodging": 0,
"Final Stand": 359,
"Emergence": 97
}
},
{
"rank": 46,
"brand": "SHUR GROW",
"product": "SG-6122V",
"traits": "GT,CB,LL,VIP",
"metrics": {
"Yield": 184.7,
"Harv. Moisture": 16.1,
"Stalk Lodging": 0,
"Final Stand": 346,
"Emergence": 99
}
},
{
"rank": 47,
"brand": "LG SEEDS",
"product": "LG 58C48VT2RIB",
"traits": "RR,CB",
"metrics": {
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"Final Stand": 343,
"Emergence": 99
}
},
{
"rank": 48,
"brand": "DEKALB",
"product": "DKC092-14RIB",
"traits": null,
"metrics": {
"Yield": 183.9,
"Harv. Moisture": 15.6,
"Stalk Lodging": 0,
"Final Stand": 345,
"Emergence": 97
}
},
{
"rank": 49,
"brand": "EBBERTS",
"product": "1335C",
"traits": "NON-GMO",
"metrics": {
"Yield": 183.9,
"Harv. Moisture": 18.1,
"Stalk Lodging": 0,
"Final Stand": 333,
"Emergence": 97
}
},
{
"rank": 50,
"brand": "DEKALB",
"product": "DKC102-13RIB",
"traits": null,
"metrics": {
"Yield": 183.8,
"Harv. Moisture": 16.5,
"Stalk Lodging": 0,
"Final Stand": 330,
"Emergence": 95
}
},
{
"rank": 51,
"brand": "GOLDEN HARVEST",
"product": "G01U74-AA",
"traits": null,
"metrics": {
"Yield": 182.4,
"Harv. Moisture": 16.5,
"Stalk Lodging": 0,
"Final Stand": 343,
"Emergence": 99
}
},
{
"rank": 52,
"brand": "DEKALB",
"product": "DKC101-35RIB",
"traits": null,
"metrics": {
"Yield": 181.8,
"Harv. Moisture": 16.3,
"Stalk Lodging": 0,
"Final Stand": 345,
"Emergence": 99
}
},
{
"rank": 53,
"brand": "EBBERTS",
"product": "7188PC",
"traits": "RR,CB,LL,Enlist",
"metrics": {
"Yield": 181.6,
"Harv. Moisture": 18.7,
"Stalk Lodging": 0,
"Final Stand": 338,
"Emergence": 96
}
},
{
"rank": 54,
"brand": "GOLDEN HARVEST",
"product": "G08U00-V",
"traits": null,
"metrics": {
"Yield": 180.9,
"Harv. Moisture": 16.7,
"Stalk Lodging": 0,
"Final Stand": 348,
"Emergence": 97
}
},
{
"rank": 55,
"brand": "GOLDEN HARVEST",
"product": "G03U08-D",
"traits": "GT,CB,RW,LL,WBC,DT",
"metrics": {
"Yield": 180.7,
"Harv. Moisture": 17.7,
"Stalk Lodging": 0,
"Final Stand": 345,
"Emergence": 98
}
},
{
"rank": 56,
"brand": "FS INVISION",
"product": "FS 5552F RIB",
"traits": "RR,CB,BCW,WBC",
"metrics": {
"Yield": 180.6,
"Harv. Moisture": 18,
"Stalk Lodging": 1,
"Final Stand": 363,
"Emergence": 99
}
},
{
"rank": 57,
"brand": "NK",
"product": "NK0880-V",
"traits": null,
"metrics": {
"Yield": 179.6,
"Harv. Moisture": 17.4,
"Stalk Lodging": 0,
"Final Stand": 325,
"Emergence": 94
}
},
{
"rank": 58,
"brand": "SEEDWAY",
"product": "SW 9822VT RIB",
"traits": null,
"metrics": {
"Yield": 178.8,
"Harv. Moisture": 16.2,
"Stalk Lodging": 0,
"Final Stand": 310,
"Emergence": 95
}
},
{
"rank": 59,
"brand": "SEED GENETICS DIRECT",
"product": "AGI-C-6108 PWE",
"traits": "RR,CB,LL,Enlist",
"metrics": {
"Yield": 178.6,
"Harv. Moisture": 19.1,
"Stalk Lodging": 0,
"Final Stand": 358,
"Emergence": 96
}
},
{
"rank": 60,
"brand": "AUGUSTA SEED",
"product": "A2058 Conv",
"traits": null,
"metrics": {
"Yield": 178.2,
"Harv. Moisture": 18.5,
"Stalk Lodging": 0,
"Final Stand": 289,
"Emergence": 97
}
},
{
"rank": 61,
"brand": "LG SEEDS",
"product": "LG 52C90VT2RIB",
"traits": "RR,CB",
"metrics": {
"Yield": 178.1,
"Harv. Moisture": 17.3,
"Stalk Lodging": 2,
"Final Stand": 336,
"Emergence": 97
}
},
{
"rank": 62,
"brand": "SEED GENETICS DIRECT",
"product": "Direct 4102-AA",
"traits": null,
"metrics": {
"Yield": 177.1,
"Harv. Moisture": 17.4,
"Stalk Lodging": 0,
"Final Stand": 355,
"Emergence": 93
}
},
{
"rank": 63,
"brand": "SHUR GROW",
"product": "SG-6707V",
"traits": "GT,CB,LL,VIP",
"metrics": {
"Yield": 174.7,
"Harv. Moisture": 17.4,
"Stalk Lodging": 0,
"Final Stand": 336,
"Emergence": 97
}
},
{
"rank": 64,
"brand": "SEEDWAY",
"product": "SW 9990V4 RIB",
"traits": "RR,CB,BCW,WBC",
"metrics": {
"Yield": 156.9,
"Harv. Moisture": 16.2,
"Stalk Lodging": 0,
"Final Stand": 321,
"Emergence": 96
}
},
{
"rank": 65,
"brand": "SHUR GROW",
"product": "SG-5788DV",
"traits": null,
"metrics": {
"Yield": 156.1,
"Harv. Moisture": 16.4,
"Stalk Lodging": 0,
"Final Stand": 339,
"Emergence": 96
}
}
],
"n_results": 65,
"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"
],
"fetched_at": "2026-06-10T12:27:20.776958+00:00",
"scraper_version": "0.1.0"
}
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