Introduction   Spring Wheat   Winter Wheat   Spring Barley   Glossary


This program was developed to help Montana producers optimize nitrogen fertilizer application rates for small grains. Yield and quality were modeled using 24 trials on 1993-2006 for spring wheat, 70 trials from 1970-2006 on winter wheat, 35 trials from 1981-2006 for spring barley. These trials were only done following fallow; therefore, these calculators should not be used for recrop. Because of variance of soil depth, texture, and climate, actual nitrogen needed to optimize yield on your farm may vary from what is predicted here. HTML5 support is necessary for this website to function. If the website doesn't seem to be working, try updating your browser.

This tool was created by Clain Jones, Extension Soil Fertility Specialist, and Kate Binzen Fuller, Extension Agricultural Economics Specialist.   

Funding for the development of this program was provided by the Montana Fertilizer Advisory Committee.

The original version of this tool was created by Clain Jones and Duane Griffith.