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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

1.9 KiB

Raw Blame History

Corn yield trial — Hebron, OH (SW, 2024)

Publisher: Ohio Crop Performance Test (independent third-party, all brands)
Vendor: The Ohio State University (CFAES extension)
Crop: Corn
Year: 2024
Region: SW
Site: Hebron
Source table: TABLE 3. Three year hybrid performance in SOUTHWESTERN/WEST CENTRAL/CENTRAL Ohio, 2022-2024.
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	SEED CONSULTANTS	SC 1112AM	-	311.6	18.9	0	336	96
2	GOLDEN HARVEST	G11V76-AA	-	305	19.5	0	367	98
3	SHUR GROW	SG-7233DGVT2	-	300.3	20.4	0	344	96
4	SEED CONSULTANTS	SC 1093AM	-	300.2	18.7	0	329	95
5	EBBERTS	7209TR RIB	-	298.6	17.8	0	334	94
6	SEED GENETICS DIRECT	Direct 2111-AA	-	297	19.1	0	355	93
7	SHUR GROW	SG-7153V	-	295.6	19.6	0	324	96
8	FS INVISION	FS 6017V RIB	-	294.7	17.6	0	354	95
9	CHANNEL	214-78DGVT2PRIB	-	294.1	18.9	0	340	97
10	EBBERTS	6883DGVT2P RIB	-	293.6	19.1	0	369	95
11	BA GENETICS	BA 23-14 VT2P	-	291.9	20	0	350	95
12	GOLDEN HARVEST	G10L16-DV	-	290.7	19.3	0	355	97
13	DEKALB	DKC59-82RIB	-	289.2	18.2	0	360	96
14	SEED GENETICS DIRECT	Direct 3111-D	-	287.3	20.3	0	357	96
15	SEED GENETICS DIRECT	Direct 0110-3110	-	277.5	19	0	374	97
16	CHANNEL	207-87VT2PRIB	-	277.3	17.2	0	330	96
17	SEED GENETICS DIRECT	Direct 8115-3110	-	271.8	21.8	1	343	94

1.9 KiB Raw Blame History

Corn yield trial — Hebron, OH (SW, 2024)

Results (by yield rank)

1.9 KiB

Raw Blame History