Add university-extension trials: Illinois VT + Iowa ICPT + Ohio OCPT (+123 cross-vendor trial docs) (#19)

Co-authored-by: claude <claude@jpaul.io> Co-committed-by: claude <claude@jpaul.io>
2026-06-10 08:36:19 -04:00
parent 0bac06b7b6
commit a54fac240f
255 changed files with 105410 additions and 13 deletions
@@ -0,0 +1,170 @@
+{
+  "source": "illinois_vt_trials",
+  "source_key": "ilvt-corn-2025-r4",
+  "data_type": "trial",
+  "vendor": "University of Illinois",
+  "brand_aggregator": "University of Illinois Variety Testing publishes",
+  "brand": "University of Illinois VT",
+  "crop": "corn",
+  "state": "IL",
+  "state_abbrev": "il",
+  "year": 2025,
+  "region": "Region 4",
+  "rotation": "corn following soybean",
+  "previous_crop": null,
+  "cooperator": "Emmerick Farms",
+  "county": "Fayette",
+  "sites": [
+    "St Peter",
+    "Belleville"
+  ],
+  "soil_type": "Wynoose silt loam",
+  "tillage": "Vertical Till",
+  "planted_date": "2025-06-02",
+  "harvested_date": "2024-10-24",
+  "row_width": null,
+  "latitude": 38.850667,
+  "longitude": -89.192119,
+  "results": [
+    {
+      "rank": 1,
+      "brand": "Prairie",
+      "product": "8786",
+      "traits": null,
+      "metrics": {
+        "Yield": 196.65,
+        "Moisture": 13.27,
+        "Lodging": 0,
+        "Maturity": 115
+      }
+    },
+    {
+      "rank": 2,
+      "brand": "Burrus",
+      "product": "5C11 PCE",
+      "traits": "GT:C HT:B IST:M",
+      "metrics": {
+        "Yield": 184.2,
+        "Moisture": 12.87,
+        "Lodging": 0,
+        "Maturity": 110
+      }
+    },
+    {
+      "rank": 3,
+      "brand": "Burrus",
+      "product": "8K34 VT2P",
+      "traits": "GT:C HT:G IST:M",
+      "metrics": {
+        "Yield": 177.59,
+        "Moisture": 14.15,
+        "Lodging": 0,
+        "Maturity": 116
+      }
+    },
+    {
+      "rank": 4,
+      "brand": "Whisnand",
+      "product": "WH403TRE",
+      "traits": "GT:C2L HT:G IST:L",
+      "metrics": {
+        "Yield": 166.28,
+        "Moisture": 12.47,
+        "Lodging": 0,
+        "Maturity": 115
+      }
+    },
+    {
+      "rank": 5,
+      "brand": "Prairie",
+      "product": "6854",
+      "traits": null,
+      "metrics": {
+        "Yield": 157.49,
+        "Moisture": 12.25,
+        "Lodging": 0,
+        "Maturity": 110
+      }
+    },
+    {
+      "rank": 6,
+      "brand": "Whisnand",
+      "product": "WH304SS",
+      "traits": "GT:CRL HT:B IST:L",
+      "metrics": {
+        "Yield": 157.45,
+        "Moisture": 12.78,
+        "Lodging": 0.33,
+        "Maturity": 112
+      }
+    },
+    {
+      "rank": 7,
+      "brand": "Whisnand",
+      "product": "WH303VT2P",
+      "traits": "GT:C2L HT:G IST:L",
+      "metrics": {
+        "Yield": 157.26,
+        "Moisture": 12.97,
+        "Lodging": 0.17,
+        "Maturity": 115
+      }
+    },
+    {
+      "rank": 8,
+      "brand": "Whisnand",
+      "product": "WH402VT2P",
+      "traits": "GT:C2L HT:G IST:L",
+      "metrics": {
+        "Yield": 155.69,
+        "Moisture": 12.85,
+        "Lodging": 0,
+        "Maturity": 114
+      }
+    },
+    {
+      "rank": 9,
+      "brand": "Burrus",
+      "product": "7B14 PCE",
+      "traits": "GT:C HT:B IST:M",
+      "metrics": {
+        "Yield": 152.92,
+        "Moisture": 13.02,
+        "Lodging": 0.33,
+        "Maturity": 114
+      }
+    },
+    {
+      "rank": 10,
+      "brand": "Prairie",
+      "product": "7445",
+      "traits": null,
+      "metrics": {
+        "Yield": 145.71,
+        "Moisture": 12.12,
+        "Lodging": 0,
+        "Maturity": 113
+      }
+    },
+    {
+      "rank": 11,
+      "brand": "Prairie",
+      "product": "6436",
+      "traits": null,
+      "metrics": {
+        "Yield": 137.95,
+        "Moisture": 12.45,
+        "Lodging": 0,
+        "Maturity": 111
+      }
+    }
+  ],
+  "n_results": 11,
+  "source_urls": [
+    "https://vt.cropsci.illinois.edu/wp-content/uploads/2025/11/Region-4-Corn-Table-2025.xlsx",
+    "https://vt.cropsci.illinois.edu/corn/"
+  ],
+  "tos_note": "No usage terms posted on UIUC VT site; publicly-funded land-grant data; attribute University of Illinois Variety Testing.",
+  "fetched_at": "2026-06-10T12:14:51.728652+00:00",
+  "scraper_version": "0.1.0"
+}