Documents ISU Agronomy Extension Fertilizer Price Effect on Optimum Corn N Rate Recommendations John Sawyer...

Slide 1 ISU Agronomy Extension Fertilizer Price Effect on Optimum Corn N Rate Recommendations John Sawyer Department of Agronomy Iowa State University Slide 2 ISU Agronomy…

Documents Regional Nitrogen Rate Guidelines

Regional Nitrogen Rate Guidelines John Sawyer Department of Agronomy Iowa State University Regional Effort - Participating States and University Personnel: John Sawyer, Iowa…