Notes from YieldVista
How we build weekly corn and soy intelligence — methodology, accuracy explainers, and what we don't claim. Updated when there's something worth saying.
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Reading mid-season yield: direction, bands, and leave-one-year-out skill
A plain-English guide to county yield reads: direction first, a band not a point, and leave-one-year-out skill (mean R² about 0.77, not a same-year 0.86).
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How YieldVista Compares Your Fields to Neighbors
How we benchmark a corn or soy field against its nearest county neighbors using K-nearest centroids and why the comparison is more meaningful than a state average.
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Corn and Soybean Growth Stages: What Satellite NDVI and EVI Show at VT–R1, R3, and Beyond
Detailed guide to corn VT tasseling and soybean R3 timing via satellite imagery. NDVI/EVI/NDWI/NDMI ranges by stage for fungicide application, scouting, and yield protection in the Corn Belt.
phenologyfungicide-timingndvievindwindmicornsoybeanagronomyvt-tasselingr3-pod-set