CSU Extension fact sheet covering winter wheat fertilizer requirements.
Fact Sheet No. 0.544. J.G. Davis and D.W. Westfall. Revised 2014
- Nitrogen is the most limiting nutrient for winter wheat production.
- Apply nitrogen fertilizers at rates based on expected crop yields minus credits for residual soil nitrates and
nitrogen mineralized from organic matter, manure, and previous legume crops. - Apply phosphate fertilizers at rates based on soil test results. Band applications are more effective than broadcast applications.
- Most Colorado soils contai sufficient available potassium for dryland winter wheat production.