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  1. Quick Reference Guide to Tri-State Fertilizer Recommendation Changes

    https://agcrops.osu.edu/node/3488

    What has changed? Why the change? Soil Sampling Sample every 3 to 4 years in a consistent way as the foundation for an adaptive nutrient management program. No changes Details Soil pH and Lime Recommendations Michigan and Indiana liming recommendations ar ...

  2. Tri-State Fertilizer Recommendations- Additional Resources

    https://agcrops.osu.edu/node/3487

    Original 1995 Tri-State Fertilizer Recommendations Vitosh, M.L., J.W. Johnson, and D.B. Mengel. 1995.  Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat, and Alfalfa. Extension Bulletin E-2567.  agcrops.osu.edu/publications/tri-state-fertility ...

  3. Nitrogen

    https://agcrops.osu.edu/node/3482

    The profitability of crop production is highly dependent on proper nitrogen (N) management, as N fertilizer represents a large fraction of the total cost of production. Unfortunately, N is the one of the most challenging nutrients to manage in field crops ...

  4. Tri-State Fertilizer Recommendations for Corn, Soybeans, Wheat, and Alfalfa

    https://agcrops.osu.edu/node/3485

    This website provides a summarized version of the Tri-State Fertilizer Recommendations, reporting only the main points of the document, but lacking comprehensive detail. For complete information, please see the full version which we anticipate being avail ...

  5. Executive Summary

    https://agcrops.osu.edu/node/3486

    The Tri-State Field Crop Fertilizer Recommendations for Indiana, Michigan, and Ohio have been revised and updated. Extensive research station and on-farm trials have been conducted over the past decade to validate and refine the guidelines. In general, th ...

  6. Schaffter awarded national agricultural education scholarship

    https://acel.osu.edu/news/schaffter-awarded-national-agricultural-education-scholarship

    Paige Schaffter, a senior in agriscience education from Edon, Ohio, has been selected for the 2020 Upper Division Agricultural Education Scholarship from the National Association of Agricultural Educators. NAAE awards the $1,500 scholarships to twenty stu ...

  7. Farm Science Review 2020: Online and free

    https://cfaes.osu.edu/news/articles/farm-science-review-2020-online-and-free

    Alayna DeMartini COLUMBUS, Ohio—Farm Science Review will come to you on your laptop or smartphone this year, and for free, you can watch livestreamed talks and recorded videos featuring the latest farm equipment and research to pique your curiosity.  From ...

  8. Soil Sampling, Handling, and Testing

    https://agcrops.osu.edu/node/3484

    The accuracy of a fertilizer recommendation depends on the quality of the soil sample collected and analyzed to produce a soil test value. Taking the time to collect a quality soil sample is the first and perhaps most important step in developing a sound ...

  9. Phosphorus and Potassium

    https://agcrops.osu.edu/node/3478

    Build-up and Maintenance Framework The tri-state fertilizer recommendations for P and K are based on a build-up and maintenance approach. This framework strives to build soil test levels up to and beyond a critical level, then maintain these levels over t ...

  10. Potassium Fertilizer Recommendations

    https://agcrops.osu.edu/node/3480

    Quick reference tables, rounded to the nearest 5 pounds, are provided for corn, soybean, wheat, corn silage, and alfalfa for potassium below. Potassium recommendations differ for sandy soil (CEC <5 meq/100g) and loam and clay soils (CEC >6 meq/ 100g ...

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