K-State Fertilizer Resources
Use these Kansas State University resources to plan nutrient applications for Kansas crops.
Soil Test Interpretations and Fertilizer Recommendations in Kansas
Dorivar Ruiz Diaz’s K-State guide, MF2586 (January 2024 revision), includes crop-specific fertilizer and lime recommendations and guidance on sulfur, zinc, and boron.
Fertilizer recommendation workbook
Use K-State’s 2025 Excel workbook to calculate recommended rates using your crop and soil test results. Have your expected yield handy for recommendations that use it.