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Add university-extension variety trials: Illinois VT + Iowa ICPT + Ohio OCPT (+123 trial docs)

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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.
This commit is contained in:
Claude (agent)
2026-06-10 08:35:50 -04:00
parent 0bac06b7b6
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# Corn yield trial — Columbiana, OH (NE, 2024)
- **Publisher:** Ohio Crop Performance Test (independent third-party, all brands)
- **Vendor:** The Ohio State University (CFAES extension)
- **Crop:** Corn
- **Year:** 2024
- **Region:** NE
- **Site:** Columbiana
- **Source table:** TABLE 7L. Performance of hybrids in the full-season trial. NORTH CENTRAL and NORTHEASTERN Ohio, 2024.
- **Source PDF:** https://ohiocroptest.cfaes.osu.edu/corntrials/CountryJournal2024.pdf
- **Note:** © OSU on the report; explicit no-endorsement clause; public CFAES extension publication; attribute Ohio Corn/Soybean Performance Test, OSU CFAES.
---
## Results (by yield rank)
| Rank | Brand | Hybrid/Variety | Traits | Yield | Harv. Moisture | Stalk Lodging | Final Stand | Emergence |
|---|---|---|---|---|---|---|---|---|
| 1 | DEKALB | DKC110-41RIB | - | 301.2 | 21.9 | 0 | 342 | 98 |
| 2 | VIKING / BLUE RIVER | 75-07 | - | 300 | 20.9 | 0 | 335 | 98 |
| 3 | FS INVISION | FS 5947T RIB | - | 297.5 | 22.1 | 0 | 364 | 99 |
| 4 | SHUR GROW | SG-6884PCE | - | 295.5 | 22 | 0 | 326 | 99 |
| 5 | BA GENETICS | BA 26-10 PCE | - | 294.7 | 22.8 | 0 | 323 | 96 |
| 6 | SEED CONSULTANTS | SC 1105PCE | - | 293.5 | 21.6 | 0 | 325 | 93 |
| 7 | SHUR GROW | SG-6707V | - | 293.4 | 22.1 | 0 | 321 | 97 |
| 8 | AXIS SEED | 60C61 | - | 293.1 | 22.1 | 0 | 332 | 91 |
| 9 | BA GENETICS | BA 23-14 VT2P | - | 292.7 | 22.7 | 0 | 321 | 96 |
| 10 | SEED GENETICS DIRECT | AGI 5105PWE | - | 292.5 | 21.1 | 0 | 336 | 91 |
| 11 | AXIS SEED | 59D20 | - | 292 | 20.6 | 0 | 360 | 98 |
| 12 | EBBERTS | 1335C | - | 291.7 | 20.1 | 0 | 333 | 97 |
| 13 | DEKALB | DKC66-06RIB | - | 291.3 | 23.9 | 0 | 339 | 98 |
| 14 | FS INVISION | FS 6349PC RA | - | 291.3 | 23.5 | 0 | 334 | 92 |
| 15 | SHUR GROW | SG-EX109A | - | 291.3 | 21.1 | 0 | 323 | 97 |
| 16 | BA GENETICS | BA 25-11 VT2P | - | 289.9 | 21.3 | 0 | 330 | 97 |
| 17 | SEED CONSULTANTS | SC 1084AM | - | 289.6 | 22.2 | 0 | 339 | 97 |
| 18 | FS INVISION | FS 6245V RIB | - | 288.8 | 23.1 | 0 | 350 | 97 |
| 19 | BA GENETICS | BA 26-14 PCE | - | 288.7 | 23.9 | 0 | 335 | 96 |
| 20 | CHANNEL | 211-11VT2PRIB | - | 287.8 | 20.9 | 0 | 361 | 99 |
| 21 | SEED CONSULTANTS | SC 1042Q | - | 287.6 | 21.1 | 0 | 327 | 93 |
| 22 | AXIS SEED | 59A25 | - | 287.5 | 21.4 | 0 | 350 | 97 |
| 23 | BA GENETICS | BA 26-08 PCE | - | 287 | 21.5 | 0 | 339 | 97 |
| 24 | EBBERTS | 7993PC | - | 286.4 | 22.9 | 0 | 333 | 98 |
| 25 | SHUR GROW | SG-7124PCE | - | 286.1 | 22.8 | 0 | 318 | 96 |
| 26 | EBBERTS | 7000TR | - | 285.9 | 19.1 | 0 | 365 | 97 |
| 27 | DEKALB | DKC101-35RIB | - | 285.1 | 19.1 | 0 | 356 | 97 |
| 28 | BA GENETICS | BA 25-07 PCE | - | 283.9 | 22.2 | 0 | 338 | 98 |
| 29 | FS INVISION | FS 6447T RIB | - | 283.9 | 24.3 | 0 | 366 | 98 |
| 30 | LG SEEDS | LG 58C48VT2RIB | - | 283.6 | 23.1 | 0 | 339 | 99 |
| 31 | FS INVISION | FS 6017V RIB | - | 283.6 | 20.2 | 0 | 352 | 98 |
| 32 | DEKALB | DKC56-26RIB | - | 282.7 | 21.2 | 0 | 333 | 96 |
| 33 | 1st CHOICE SEEDS | FC 8235 VT2P RIB | - | 282.5 | 21.9 | 0 | 351 | 96 |
| 34 | CHANNEL | 204-54TRERIB | - | 281.9 | 19.9 | 0 | 348 | 100 |
| 35 | DEKALB | DKC110-10RIB | - | 280.9 | 21.1 | 0 | 345 | 98 |
| 36 | BA GENETICS | BA 25-12 VT2P | - | 280.3 | 21.7 | 0 | 315 | 95 |
| 37 | CHANNEL | 205-85VT2PRIB | - | 279.8 | 20.1 | 0 | 305 | 88 |
| 38 | SEED CONSULTANTS | SC 1055PCE | - | 279.8 | 20.3 | 0 | 339 | 96 |
| 39 | BA GENETICS | BA 26-06 PCE | - | 279.2 | 20.9 | 0 | 323 | 95 |
| 40 | EBBERTS | 7442PC | - | 278.9 | 23.4 | 0 | 322 | 94 |
| 41 | BA GENETICS | BA 26-12 PCE | - | 278.8 | 22.5 | 0 | 321 | 94 |
| 42 | AXIS SEED | 62C60 | - | 278.3 | 23.1 | 0 | 358 | 97 |
| 43 | FS INVISION | FS 5949PC RA | - | 278.3 | 21 | 0 | 354 | 98 |
| 44 | DYNA-GRO | D51VC95RIB | - | 278.2 | 22.4 | 0 | 323 | 99 |
| 45 | NK | NK1228-AA | - | 278.2 | 21.9 | 0 | 321 | 95 |
| 46 | EBBERTS | 7188PC | - | 278 | 21.9 | 0 | 351 | 96 |
| 47 | 1st CHOICE SEEDS | FC 8257 PC | - | 278 | 22.8 | 0 | 337 | 93 |
| 48 | CHANNEL | 215-09VT2PRIB | - | 277.6 | 23.4 | 0 | 339 | 95 |
| 49 | VIKING / BLUE RIVER | 78-13 | - | 276.3 | 23.4 | 0 | 323 | 97 |
| 50 | CHANNEL | 207-87VT2PRIB | - | 276.2 | 19.7 | 0 | 329 | 97 |
| 51 | EBBERTS | 7557PC | - | 276.2 | 21.6 | 0 | 319 | 89 |
| 52 | SEED GENETICS DIRECT | AGI 4106PWE | - | 275.8 | 21.3 | 0 | 367 | 98 |
| 53 | SHUR GROW | SG-6550PCE | - | 275.8 | 21.9 | 0 | 296 | 91 |
| 54 | FS INVISION | FS 5335P RIB | - | 275.6 | 19.8 | 0 | 341 | 95 |
| 55 | SEED CONSULTANTS | SC 1094PCE | - | 274.2 | 21.1 | 0 | 338 | 97 |
| 56 | GOLDEN HARVEST | G08U00-V | - | 274.1 | 22.4 | 0 | 329 | 95 |
| 57 | DEKALB | DKC68-35RIB | - | 273.9 | 22.7 | 0 | 339 | 97 |
| 58 | AXIS SEED | 59D20 RHTCe | - | 273.2 | 20.1 | 0 | 354 | 94 |
| 59 | AXIS SEED | 53M77 | - | 273 | 19.5 | 0 | 346 | 94 |
| 60 | SHUR GROW | SG-EX110A | - | 271.4 | 21.2 | 0 | 284 | 87 |
| 61 | SEED GENETICS DIRECT | Direct 0101-DV | - | 271.1 | 20.6 | 0 | 365 | 97 |
| 62 | SHUR GROW | SG-EX105A | - | 270.8 | 20 | 0 | 325 | 99 |
| 63 | DEKALB | DKC106-98RIB | - | 270.6 | 21.1 | 0 | 339 | 97 |
| 64 | CHANNEL | 210-08VT2PRIB | - | 270.5 | 23.3 | 0 | 337 | 99 |
| 65 | FS INVISION | FS 5525VDG RIB | - | 270.3 | 20.9 | 0 | 339 | 92 |
| 66 | AXIS SEED | 55D61 | - | 269.8 | 20.6 | 0 | 345 | 96 |
| 67 | SHUR GROW | SG-6310PCE | - | 269 | 20.3 | 0 | 303 | 95 |
| 68 | VIKING / BLUE RIVER | 84-04 | - | 269 | 19 | 0 | 325 | 97 |
| 69 | DYNA-GRO | D49PN05RA | - | 268.8 | 22.7 | 0 | 328 | 97 |
| 70 | SEEDWAY | SW 9876SS | - | 268.5 | 19.2 | 0 | 329 | 98 |
| 71 | AXIS SEED | 63M73 | - | 268.5 | 20.7 | 0 | 333 | 92 |
| 72 | DEKALB | DKC099-11RIB | - | 268 | 19.2 | 0 | 335 | 98 |
| 73 | AXIS SEED | 57K72 | - | 267.7 | 20.1 | 0 | 345 | 96 |
| 74 | SHUR GROW | SG-7054AA | - | 267.7 | 22.4 | 0 | 318 | 98 |
| 75 | CHANNEL | 208-62VT2PRIB | - | 267.2 | 21 | 0 | 348 | 95 |
| 76 | LG SEEDS | LG 53C44VT2RIB | - | 267 | 20 | 0 | 332 | 98 |
| 77 | SEED GENETICS DIRECT | AGI 4111PWE | - | 266.8 | 20.8 | 0 | 348 | 95 |
| 78 | SEED GENETICS DIRECT | Direct 5107-V | - | 266.3 | 21.1 | 0 | 368 | 98 |
| 79 | CHANNEL | 210-46VT2PRIB | - | 266.1 | 20.7 | 0 | 337 | 97 |
| 80 | NK | NK1040-AA | - | 265.9 | 21.4 | 0 | 329 | 97 |
| 81 | SEED GENETICS DIRECT | Direct 5101-D | - | 265.8 | 20.8 | 0 | 366 | 97 |
| 82 | EBBERTS | 7209TR RIB | - | 265.7 | 21 | 0 | 336 | 97 |
| 83 | DEKALB | DKC102-13RIB | - | 265.3 | 19.2 | 0 | 329 | 95 |
| 84 | SEED CONSULTANTS | SC 1112AM | - | 265.3 | 20.5 | 0 | 332 | 96 |
| 85 | DEKALB | DKC64-22RIB | - | 265 | 21.8 | 0 | 345 | 97 |
| 86 | GOLDEN HARVEST | G11V76-AA | - | 264.6 | 22.6 | 0 | 362 | 99 |
| 87 | VIKING / BLUE RIVER | 85-09 | - | 264.3 | 22 | 0 | 329 | 96 |
| 88 | SEED GENETICS DIRECT | Direct 2107-AA | - | 264.1 | 22.2 | 0 | 351 | 96 |
| 89 | SEEDWAY | SW 9822VT | - | 263.8 | 19.1 | 0 | 313 | 95 |
| 90 | DEKALB | DKC103-07RIB | - | 263.5 | 19.6 | 0 | 336 | 98 |
| 91 | CHANNEL | 215-42TRERIB | - | 263.5 | 23.1 | 0 | 345 | 99 |
| 92 | SEED CONSULTANTS | SC 1093AM | - | 263.4 | 23.7 | 0 | 332 | 97 |
| 93 | 1st CHOICE SEEDS | FC 8047 C | - | 263.3 | 21.4 | 0 | 347 | 97 |
| 94 | EBBERTS | 9779SSX | - | 262.8 | 21.3 | 0 | 342 | 95 |
| 95 | LG SEEDS | LG 51C62VT2RIB | - | 262.5 | 19.2 | 0 | 328 | 99 |
| 96 | DEKALB | DKC114-99RIB | - | 262.2 | 22.2 | 0 | 345 | 99 |
| 97 | GOLDEN HARVEST | G03U08-D | - | 261.9 | 21.2 | 0 | 352 | 98 |
| 98 | CHANNEL | 214-78DGVT2PRIB | - | 261.9 | 22.5 | 0 | 337 | 98 |
| 99 | NK | NK0880-V | - | 260.5 | 21.4 | 0 | 323 | 94 |
| 100 | CHANNEL | 215-70TRERIB | - | 260.5 | 24.3 | 0 | 329 | 94 |
| 101 | NK | NK1056-V | - | 260.5 | 22.9 | 0 | 337 | 100 |
| 102 | EBBERTS | 1660C | - | 259.8 | 20.6 | 0 | 333 | 97 |
| 103 | FS INVISION | FS 6133VDG RIB | - | 259.8 | 22.5 | 0 | 354 | 97 |
| 104 | SEED GENETICS DIRECT | Direct 3111-3110 | - | 259.7 | 21.6 | 0 | 363 | 98 |
| 105 | SEED GENETICS DIRECT | Direct 0110-3110 | - | 259.4 | 22.6 | 0 | 362 | 96 |
| 106 | SHUR GROW | SG-6122V | - | 257.9 | 19.6 | 0 | 338 | 100 |
| 107 | SHUR GROW | SG-5885PCE | - | 257.3 | 19.2 | 0 | 311 | 97 |
| 108 | SHUR GROW | SG-7153V | - | 256.8 | 22 | 0 | 336 | 98 |
| 109 | SEED GENETICS DIRECT | Direct 9107-3010 | - | 256.4 | 20.8 | 0 | 350 | 94 |
| 110 | DEKALB | DKC59-82RIB | - | 255.2 | 20.1 | 0 | 341 | 97 |
| 111 | SEED GENETICS DIRECT | Direct 4102-AA | - | 255.1 | 20.4 | 0 | 364 | 95 |
| 112 | DYNA-GRO | D44PN25RA | - | 254.6 | 19.7 | 0 | 325 | 98 |
| 113 | SEED GENETICS DIRECT | Direct 2111-AA | - | 254.2 | 22.2 | 0 | 358 | 98 |
| 114 | BA GENETICS | BA 25-16 VT2P | - | 254 | 22.5 | 0 | 327 | 96 |
| 115 | AXIS SEED | 63J77 | - | 253.7 | 21.8 | 0 | 347 | 96 |
| 116 | NK | NK0252-D | - | 252 | 20.6 | 0 | 327 | 97 |
| 117 | SEEDWAY | SW 0123PE | - | 250.8 | 20.9 | 0 | 294 | 91 |
| 118 | VIKING / BLUE RIVER | 76-11 | - | 247 | 21.1 | 0 | 331 | 99 |
| 119 | SEED GENETICS DIRECT | Direct 3111-D | - | 246.3 | 22.7 | 0 | 342 | 94 |
| 120 | AUGUSTA SEED | A6362 | - | 245.6 | 22.4 | 0 | 336 | 98 |
| 121 | SEEDWAY | SW 9504VT | - | 243.4 | 17.8 | 0 | 301 | 94 |
| 122 | SEEDWAY | SW 9600SS | - | 238.5 | 19.6 | 0 | 314 | 95 |
| 123 | SHUR GROW | SG-5653GT | - | 229 | 20.4 | 0 | 284 | 87 |
| 124 | SHUR GROW | SG-5940DV | - | 227.5 | 19.1 | 0 | 293 | 88 |