Precision Agriculture · 2018 · 63 citations · 23 references
AgricultureAgronomySoil SciencesNutrient ManagementSoil FertilitySoil ScienceFertilizer ManagementNitrogen ManagementPrecision Soil ManagementSensor Data AcquisitionSoil Nitrogen SensingSoil Sensor NetworksPrecision Fertilizer ManagementSensor-based Nutrient SensingSoil Nitrate Sensing
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Correlations between Soil Nitrate Concentrations in Late Spring and Corn Yields in Iowa
Alfred M. Blackmer, D. Pöttker, M. E. Cerrato et al. · jpa · 1989 · 244 citations
Understanding the Magdoff Pre‐Sidedress Nitrate Test for Corn
Fred Magdoff · jpa · 1991 · 235 citations
Agriculture, Agronomy, Soil Sciences +17