Finding the Maximum Return To N and Most Profitable N Rate

A Regional (Corn Belt) Approach to Nitrogen Rate Guidelines

This web site provides a process to calculate economic return to N application with different nitrogen and corn prices and to find profitable N rates directly from recent N rate research data. The method used follows a regional approach for determining corn N rate guidelines that is implemented in several Corn Belt states.


Choose how you want to calculate N rates, using one set of prices or using mulitple prices.

In association with these Universities

University of Illinois at Champaign-Urbana
Iowa State Extension
University of Wisconsin-Madison
University of Minnesota Extesion
Michigan State University Extension
Ohio State University