AgriGeoFusion-UQ: Multimodal Geospatial Features, Maize Yield Observations, and Benchmark Predictions for Four U.S. Corn Belt States (2018–2025)

Processed county maize yields, four-quadrant and five-kilometre geospatial features, evaluation partitions, and model predictions for early-season maize-yield experiments in Iowa, Illinois, Indiana, and Minnesota, harvest years 2018–2025. AlphaEarth embedding features are derived from the Satellite Embedding dataset produced by Google and Google DeepMind and are included under CC BY 4.0. Required attribution: "The AlphaEarth Foundations Satellite Embedding dataset is produced by Google and Google DeepMind." The archive contains county yields, spatial-token features, training and evaluation partitions, model predictions, a data dictionary, and an evaluation script. It does not contain raw satellite imagery.