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 Forecasts: What R² and RMSE Actually Mean
A plain-English guide to interpreting mid-season corn and soy yield forecasts. What R² 0.86, MAE 15 bu/ac and RMSE 20 bu/ac actually tell you about model accuracy.
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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