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Showing 1 to 1 of 1 for “"unfertilized yield"”.
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Estimating the Contributions of Soil and Cover Crop Nitrogen Mineralization for Corn
… able to explain 47% and 15% of variability in unfertilized corn yield (RMSE = 1.6 Mg ha-1) and economical optimum N rate (EONR) (RMSE = 30 kg N ha-1) respectively. Efforts to improve the model by adding economically unresponsive sites improved the model performance to explain 45% of the …