Fertility Calculator for Ohio Recommendation

A Microsoft Excel spreadsheet has been developed to support nutrient management education programs provided by Ohio State University Extension and for users who want to generate their own recommendation or compare recommendations provided to them to the Tri-State Fertilizer Recommendations for Corn, Soybeans, Wheat, and Alfalfa, 2020. The spreadsheet is designed to be compatible with the Excel version, Excel 1997-2003, or later.

The tool generates recommendations for the following crops:

  1. Corn
  2. Corn-Silage
  3. Soybeans
  4. Wheat (Grain Only)
  5. Wheat (Grain & Straw)
  6. Alfalfa
  7. Grass Hay
  8. Grass/Legume Hay

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Use 2020 Tri-State Fertilizer Recommendations

The Tri-State Fertilizer Recommendations provide the foundation for agronomic nutrient management recommendations from the land-grant universities in Ohio, Michigan, and Indiana. The original publication, which came out in 1995, has been comprehensively updated with the release of the 2020 Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat, and Alfalfa.

The publication relies on Ohio-generated data from 198 farmer-coordinated, on-farm trials in 39 Ohio counties and long-term plots at OARDC Ohio Agricultural Research and Development Center Agronomic Research Stations conducted from 2006-18. This data validates the recommendations against modern hybrids and varieties and agronomic management practices under current weather conditions. Key recommendations from the guide are included here. Continue reading