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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

2.3 KiB

Raw Blame History

Corn yield trial — Van Wert, 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: Van Wert
Source table: TABLE 6. Three year hybrid performance in NORTHWESTERN Ohio, 2023-2025 continued on next page.
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	DEKALB	DKC68-35RIB	RR,CB	260.5	20.2	3	343	98
2	DEKALB	DKC56-26RIB	RR,CB,TRE,WBC	255.4	17.7	2	341	97
3	EBBERTS	1335C	NON-GMO	254.4	16.8	1	341	98
4	EBBERTS	6883DGVT2P RIB	-	252.3	19.3	1	358	97
5	DEKALB	DKC66-06RIB	RR,CB,TRE,WBC	251.3	20.4	0	344	97
6	EBBERTS	7188PC	RR,CB,LL,Enlist	249.3	18.6	1	344	97
7	GOLDEN HARVEST	G11V76-AA	GT,CB,LL	249	19.2	1	360	98
8	VIKING / BLUE RIVER	85-09	NON-GMO	247.4	18.5	0	329	97
9	BA GENETICS	BA 25-12 VT2P	-	246.3	17.9	19	339	97
10	AXIS SEED	57K72	-	245.4	17.3	13	352	96
11	SEED GENETICS DIRECT	Direct 2111-AA	-	245.4	19.3	0	358	97
12	FS INVISION	FS 6133VDG RIB	RR,CB,DT	244	19.6	2	359	98
13	EBBERTS	7209TR	RR,CB,TRE,WBC	243.2	17.7	10	341	98
14	EBBERTS	9779SSX	RR,CB,RW,LL,CEW	243	18.1	0	350	98
15	DEKALB	DKC101-35RIB	-	241.8	17.1	0	344	98
16	CHANNEL	211-11VT2PRIB	-	240.8	17.8	15	358	99
17	SEED GENETICS DIRECT	AGI-C-4111 PWE	RR,CB,LL,Enlist	240.4	18.2	1	368	98
18	NK	NK1188-AA	GT,CB,LL	239.9	19.5	3	358	98
19	EBBERTS	1660C	-	237.4	18.5	2	339	98
20	DEKALB	DKC64-22RIB	RR,CB	237	17.8	7	355	98
21	EBBERTS	7993PC	RR,CB,LL,Enlist	235.6	20	1	338	98
22	AXIS SEED	59D20	-	234.6	17.7	1	358	97

2.3 KiB Raw Blame History

Corn yield trial — Van Wert, OH (NW, 2025)

Results (by yield rank)

2.3 KiB

Raw Blame History