The University of Tennessee Institute of Agriculture



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Soil Fertility Resources

Link to the University of Tennessee Soil Testing Center

Fertility Recommendations for Corn

Complete Fertility Recommendations for Row Crops

Urea Additive Multi Year Summary

Nitrogen Rate Calculator for Corn

The N Rate Calculator is a web tool that allows the user to use fertilizer price and expected corn price to choose a more profitable corn nitrogen rate when corn price is low and/or nitrogen prices are high.  Our current dataset can be used to predict a profitable nitrogen rate for productive non-irrigated fields that average 150-175 bushels and for irrigated corn fields.  

Please direct any questions or comments about the calculator to: Angela McClure (