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

Browse Source 
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
commit 54094a0d43
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corpus/ohio_ocpt_trials/ocpt-corn-2025-nw-hoytville.md
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# Corn yield trial — Hoytville, OH (NW, 2025)
- **Publisher:** Ohio Crop Performance Test (independent third-party, all brands)
- **Vendor:** The Ohio State University (CFAES extension)
- **Crop:** Corn
- **Year:** 2025
- **Region:** NW
- **Site:** Hoytville
- **Source table:** Table 4L. Performance of hybrids in the full season trial. NORTHWESTERN Ohio, 2025.
- **Source PDF:** https://ohiocroptest.cfaes.osu.edu/corntrials/CountryJournal2025.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 | EBBERTS | 7209TR | RR,CB,TRE,WBC | 171.1 | 16.5 | 5 | 339 | 99 |
| 2 | AXIS SEED | 65W75 | RR,CB,TRE,WBC | 168.9 | 17.4 | 0 | 342 | 95 |
| 3 | EBBERTS | 6883DGVT2P RIB | - | 168.7 | 17 | 0 | 356 | 98 |
| 4 | AXIS SEED | 63H27 | RR,CB | 168.4 | 17.7 | 0 | 356 | 98 |
| 5 | LG SEEDS | LG 52C90VT2RIB | RR,CB | 167.7 | 15.9 | 1 | 342 | 99 |
| 6 | BA GENETICS | BA 26-10 PCE | RR,CB,LL,Enlist | 167.5 | 17 | 1 | 305 | 84 |
| 7 | BA GENETICS | BA 25-12 VT2P | - | 166.5 | 16.7 | 1 | 346 | 94 |
| 8 | AUGUSTA SEED | A4861 Conv | - | 165.5 | 16.8 | 0 | 297 | 98 |
| 9 | AUGUSTA SEED | A2357V | GT,CB,LL,VIP | 165.3 | 16.9 | 3 | 299 | 99 |
| 10 | AUGUSTA SEED | A4862 Conv | - | 165.1 | 17.5 | 4 | 294 | 99 |
| 11 | SHUR GROW | SG-6707V | GT,CB,LL,VIP | 164.8 | 17 | 4 | 338 | 97 |
| 12 | LG SEEDS | LG 60C05-3110 | GT,CB,LL,VIP | 164.7 | 16.2 | 35 | 343 | 98 |
| 13 | EBBERTS | 7993PC | RR,CB,LL,Enlist | 164.5 | 19.2 | 1 | 329 | 97 |
| 14 | DEKALB | DKC114-99RIB | RR,CB,BCW,WBC | 163.7 | 18.8 | 1 | 346 | 100 |
| 15 | SEED CONSULTANTS | SC 1105PCE | RR,CB,LL,Enlist | 163.6 | 16 | 2 | 336 | 99 |
| 16 | SEED CONSULTANTS | SC 1086PCE | - | 163.1 | 15.7 | 0 | 316 | 93 |
| 17 | GRO-MOR | GM 57V75EZ | - | 163 | 16.9 | 1 | 323 | 100 |
| 18 | DEKALB | DKC64-22RIB | RR,CB | 163 | 16.7 | 1 | 345 | 99 |
| 19 | GOLDEN HARVEST | G11V76-AA | GT,CB,LL | 162.7 | 18.2 | 3 | 361 | 97 |
| 20 | NK | NK1056-V | - | 162.7 | 18.1 | 0 | 328 | 99 |
| 21 | AUGUSTA SEED | A2360PWE | RR,CB,LL,Enlist | 162.4 | 17.1 | 0 | 293 | 98 |
| 22 | GOLDEN HARVEST | G08U00-V | - | 162.3 | 17.6 | 1 | 356 | 97 |
| 23 | BA GENETICS | BA 26-14 PCE | RR,CB,LL,Enlist | 161.7 | 19.3 | 0 | 356 | 97 |
| 24 | AUGUSTA SEED | A4961V | GT,CB,LL,VIP | 161.4 | 18 | 0 | 318 | 98 |
| 25 | NK | NK1188-AA | GT,CB,LL | 161.4 | 18.2 | 1 | 334 | 95 |
| 26 | FS INVISION | FS 6133VDG RIB | RR,CB,DT | 161.3 | 17 | 34 | 356 | 98 |
| 27 | SHUR GROW | SG-6491PCE | RR,CB,LL,Enlist | 161.2 | 15.9 | 0 | 337 | 98 |
| 28 | BA GENETICS | BA 25-11 VT2P | RR,CB | 161.2 | 16.7 | 13 | 339 | 95 |
| 29 | SEED GENETICS DIRECT | Direct 5107-V | - | 160.8 | 16.8 | 1 | 359 | 96 |
| 30 | SHUR GROW | SG-6884PCE | RR,CB,LL,Enlist | 160.5 | 19 | 0 | 337 | 97 |
| 31 | SHUR GROW | SG-5885PCE | - | 159.8 | 16.1 | 0 | 342 | 99 |
| 32 | SEED GENETICS DIRECT | AGI-C-4111 PWE | RR,CB,LL,Enlist | 159.8 | 16.9 | 1 | 364 | 99 |
| 33 | NK | NK0880-V | - | 159.7 | 17.1 | 1 | 332 | 98 |
| 34 | SHUR GROW | SG-6550PCE | RR,CB,LL,Enlist | 159.7 | 16.9 | 1 | 342 | 100 |
| 35 | SEED GENETICS DIRECT | AGI-C-6108 PWE | RR,CB,LL,Enlist | 159.4 | 18.7 | 2 | 364 | 98 |
| 36 | SEED GENETICS DIRECT | AGI-C-6112 PWE | RR,CB,LL,Enlist | 159.4 | 17.3 | 0 | 348 | 95 |
| 37 | EBBERTS | 7770PC | RR,CB,LL,Enlist | 159.3 | 16.2 | 2 | 338 | 98 |
| 38 | VIKING / BLUE RIVER | 76-11 | - | 159.3 | 16.6 | 0 | 325 | 96 |
| 39 | AUGUSTA SEED | A4057 Conv | - | 159.2 | 16.5 | 1 | 297 | 100 |
| 40 | SEED GENETICS DIRECT | AGI-C-5105 PWE | - | 159.1 | 16.7 | 0 | 328 | 89 |
| 41 | VIKING / BLUE RIVER | 75-07 | - | 159.1 | 17 | 0 | 333 | 97 |
| 42 | GREAT HEART SEED | 7195TRE | RR,CB,TRE,WBC | 158.8 | 18.2 | 3 | 342 | 98 |
| 43 | SEED GENETICS DIRECT | Direct 2111-AA | - | 158.8 | 18.3 | 1 | 341 | 92 |
| 44 | DEKALB | DKC101-35RIB | - | 158.6 | 16 | 5 | 341 | 97 |
| 45 | GREAT HEART SEED | 7272PCE | - | 158.6 | 18.6 | 0 | 328 | 96 |
| 46 | FS INVISION | FS 6245V RIB | RR,CB | 158.5 | 17 | 4 | 356 | 98 |
| 47 | SEED CONSULTANTS | SC 1116PCE | RR,CB,LL,Enlist | 158.2 | 16.2 | 1 | 332 | 98 |
| 48 | FS INVISION | FS 6447T RIB | RR,CB,TRE,WBC | 157.9 | 18.9 | 2 | 351 | 97 |
| 49 | CHANNEL | 211-11VT2PRIB | - | 157.8 | 16.4 | 3 | 359 | 98 |
| 50 | EBBERTS | 7442PC | RR,CB,LL,Enlist | 157.8 | 17.8 | 1 | 337 | 99 |
| 51 | VIKING / BLUE RIVER | 78-13 | - | 157.7 | 19.1 | 2 | 337 | 98 |
| 52 | LG SEEDS | LG 62C20D | GT,CB,RW,LL,WBC | 157.6 | 18.4 | 3 | 360 | 98 |
| 53 | AUGUSTA SEED | A2058 Conv | - | 157.5 | 18.3 | 0 | 292 | 98 |
| 54 | AXIS SEED | 62C60 | RR,CB,LL,Enlist | 157.4 | 17.1 | 1 | 359 | 99 |
| 55 | GOLDEN HARVEST | G10U97-V | GT,CB,LL,VIP | 157.4 | 18 | 1 | 359 | 99 |
| 56 | AUGUSTA SEED | A2355 Conv | - | 157.1 | 15.6 | 0 | 298 | 100 |
| 57 | AUGUSTA SEED | A2355 PWE | - | 157 | 16.2 | 2 | 284 | 96 |
| 58 | DEKALB | DKC108-64RIB | RR,CB,RW,LL,CEW | 156.6 | 17 | 1 | 348 | 99 |
| 59 | AXIS SEED | 57K72 | - | 156.5 | 16.7 | 2 | 345 | 95 |
| 60 | DEKALB | DKC104-08RIB | RR,CB,BCW,WBC | 156.5 | 16.5 | 0 | 336 | 97 |
| 61 | LG SEEDS | LG 62C73VT2RIB | RR,CB | 156.1 | 16.6 | 0 | 348 | 99 |
| 62 | SHUR GROW | SG-7009PCE | RR,CB,LL,Enlist | 155.6 | 17.1 | 0 | 338 | 98 |
| 63 | EBBERTS | 1335C | NON-GMO | 155.5 | 15.8 | 4 | 342 | 99 |
| 64 | SEED GENETICS DIRECT | AGI-C-6104 PWE | RR,CB,LL,Enlist | 155.4 | 15.6 | 0 | 361 | 97 |
| 65 | SHUR GROW | SG-6911PCE | RR,CB,LL,Enlist | 155.3 | 16.4 | 1 | 327 | 95 |
| 66 | FS INVISION | FS 5552F RIB | RR,CB,BCW,WBC | 155.2 | 16.3 | 4 | 355 | 98 |
| 67 | SEED CONSULTANTS | SC 1055PCE | - | 155.1 | 16.2 | 2 | 345 | 99 |
| 68 | BA GENETICS | BA 25-07 PCE | - | 154.8 | 16.4 | 0 | 342 | 95 |
| 69 | SHUR GROW | SG-5788DV | - | 154.5 | 16.4 | 1 | 346 | 97 |
| 70 | FS INVISION | FS 5559PC RA | RR,CB,LL,Enlist | 154.1 | 17.2 | 0 | 360 | 99 |
| 71 | EBBERTS | 7557PC | RR,CB,LL,Enlist | 153.7 | 16.7 | 0 | 342 | 97 |
| 72 | GRO-MOR | GM 54PC55 | RR,CB,LL,Enlist | 153.7 | 17.1 | 0 | 312 | 98 |
| 73 | SHUR GROW | SG-6807DV | GT,CB,RW,LL,BCW,VIP | 153.1 | 18.2 | 1 | 343 | 99 |
| 74 | DEKALB | DKC099-11RIB | RR,CB | 152.9 | 15.7 | 1 | 343 | 99 |
| 75 | DYNA-GRO | D52PN76RA | RR,CB,LL,Enlist | 152.4 | 17.6 | 0 | 328 | 98 |
| 76 | DEKALB | DKC102-13RIB | - | 152.2 | 15.8 | 4 | 336 | 96 |
| 77 | NK | NK0604-DV | - | 152.2 | 17.1 | 0 | 336 | 98 |
| 78 | AXIS SEED | 64H70 | RR,CB,TRE,WBC | 151.9 | 19.1 | 2 | 352 | 96 |
| 79 | VIKING / BLUE RIVER | 85-09 | NON-GMO | 151.8 | 18 | 1 | 320 | 94 |
| 80 | GRO-MOR | GM 56PC65 | - | 151.4 | 17.2 | 1 | 314 | 98 |
| 81 | SHUR GROW | SG-5440DV | - | 151.3 | 15.6 | 1 | 332 | 95 |
| 82 | EBBERTS | 9779SSX | RR,CB,RW,LL,CEW | 151.3 | 16.3 | 5 | 355 | 97 |
| 83 | AXIS SEED | 55D61 | RR,CB,LL,Enlist | 151.1 | 16.7 | 0 | 341 | 95 |
| 84 | SEED GENETICS DIRECT | AGI-C-3113 PWE | - | 151.1 | 17.7 | 1 | 358 | 95 |
| 85 | VIKING / BLUE RIVER | 49-05 | - | 150.3 | 16.5 | 0 | 334 | 98 |
| 86 | EBBERTS | 1660C | - | 150.3 | 17.9 | 2 | 332 | 96 |
| 87 | EBBERTS | 7188PC | RR,CB,LL,Enlist | 149.9 | 17.8 | 1 | 345 | 99 |
| 88 | DEKALB | DKC110-41RIB | RR,CB,TRE,WBC | 149.9 | 16.8 | 8 | 347 | 97 |
| 89 | DEKALB | DKC68-35RIB | RR,CB | 149.8 | 18.6 | 0 | 323 | 94 |
| 90 | AXIS SEED | 60C61 | RR,CB,LL,Enlist | 149.4 | 16.7 | 0 | 337 | 92 |
| 91 | SEED CONSULTANTS | SC 1094PCE | RR,CB,LL,Enlist | 148.8 | 16.2 | 2 | 341 | 100 |
| 92 | BA GENETICS | BA 26-06 PCE | - | 148.4 | 16.9 | 0 | 333 | 93 |
| 93 | DEKALB | DKC103-07RIB | RR,CB,TRE,WBC | 148.3 | 15.7 | 9 | 342 | 97 |
| 94 | DYNA-GRO | D44PN56RA | - | 148.3 | 16.6 | 0 | 327 | 99 |
| 95 | FS INVISION | FS 6157T RIB | RR,CB,TRE,WBC | 148.1 | 17.6 | 7 | 351 | 97 |
| 96 | SEED GENETICS DIRECT | Direct 9107 GT | - | 147.9 | 17.1 | 1 | 365 | 99 |
| 97 | DEKALB | DKC111-35RIB | RR,CB | 146.9 | 16.2 | 3 | 333 | 95 |
| 98 | DEKALB | DKC112-12RIB | RR,CB,TRE,WBC | 146.9 | 16.9 | 0 | 341 | 98 |
| 99 | SEED CONSULTANTS | SC 1066PCE | - | 146.7 | 16.4 | 4 | 332 | 98 |
| 100 | DEKALB | DKC56-26RIB | RR,CB,TRE,WBC | 146.5 | 16.3 | 2 | 347 | 99 |
| 101 | SEED GENETICS DIRECT | Direct 3111-3110 | - | 145.4 | 16.2 | 0 | 338 | 98 |
| 102 | FS INVISION | FS 6349PC RA | RR,CB,LL,Enlist | 144.7 | 17.5 | 1 | 348 | 96 |
| 103 | SEED GENETICS DIRECT | AGI-C-3114 PWE | - | 144.6 | 16.6 | 1 | 367 | 98 |
| 104 | NK | NK0451-AA | - | 144 | 15.4 | 2 | 332 | 98 |
| 105 | FS INVISION | FS 6042F RIB | - | 143.4 | 18.1 | 7 | 358 | 98 |
| 106 | AXIS SEED | AEXPT108 | RR,CB,LL,Enlist | 142.9 | 16.2 | 3 | 356 | 97 |
| 107 | SHUR GROW | SG-6106DV | - | 142.3 | 15.5 | 0 | 324 | 94 |
| 108 | LG SEEDS | LG 58C48VT2RIB | RR,CB | 141.1 | 17.2 | 27 | 342 | 97 |
| 109 | BA GENETICS | BA 26-12 PCE | RR,CB,LL,Enlist | 140.9 | 17.3 | 0 | 352 | 97 |
| 110 | DYNA-GRO | D52TC66RIB | - | 140.9 | 17.9 | 8 | 327 | 98 |
| 111 | SHUR GROW | SG-6122V | GT,CB,LL,VIP | 140.4 | 16 | 1 | 341 | 98 |
| 112 | GOLDEN HARVEST | G12S75-D | GT,CB,RW,LL,WBC | 140.2 | 17 | 0 | 334 | 97 |
| 113 | GREAT HEART SEED | 7151PCE | - | 139.4 | 16.3 | 0 | 343 | 95 |
| 114 | DEKALB | DKC66-06RIB | RR,CB,TRE,WBC | 139.3 | 19.5 | 23 | 352 | 99 |
| 115 | AXIS SEED | 53M77 | - | 138.8 | 16.4 | 51 | 376 | 97 |
| 116 | GOLDEN HARVEST | G03U08-D | GT,CB,RW,LL,WBC,DT | 137.7 | 17 | 0 | 342 | 98 |
| 117 | EBBERTS | 7114PC | RR,CB,LL,Enlist | 137.4 | 18.5 | 0 | 339 | 99 |
| 118 | FS INVISION | FS 5947T RIB | - | 137 | 17.1 | 27 | 358 | 98 |
| 119 | GOLDEN HARVEST | G12U11-AA | GT,CB,LL | 136.2 | 17.8 | 1 | 334 | 97 |
| 120 | SHUR GROW | SG-6310PCE | RR,CB,LL,Enlist | 136.1 | 16.1 | 0 | 342 | 98 |
| 121 | DEKALB | DKC110-10RIB | RR,CB,RW,LL,CEW | 135.7 | 17.2 | 0 | 342 | 97 |
| 122 | CHANNEL | 205-08TRERIB | - | 134.8 | 16.1 | 9 | 356 | 97 |
| 123 | SEED CONSULTANTS | SC 1006PCE | RR,CB,LL,Enlist | 134.6 | 15.4 | 2 | 334 | 98 |
| 124 | SHUR GROW | SG-6314DV | GT,CB,RW,LL,BCW,VIP | 134.6 | 16 | 0 | 327 | 94 |
| 125 | LG SEEDS | LG 55C40TRC | - | 125.8 | 15.9 | 51 | 351 | 99 |
| 126 | SEED GENETICS DIRECT | Direct 4102-AA | - | 124.7 | 17.3 | 8 | 370 | 98 |
| 127 | CHANNEL | 209-70TRERIB | RR,CB,TRE,WBC | 123.5 | 19.3 | 35 | 310 | 92 |
| 128 | GOLDEN HARVEST | G10M87-AA | - | 123.5 | 16.9 | 1 | 372 | 99 |
| 129 | AXIS SEED | 59D20 | - | 122.4 | 16.3 | 70 | 352 | 96 |
| 130 | CHANNEL | 210-08VT2PRIB | - | 105.7 | 16.5 | 7 | 321 | 98 |