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  1. Executive Summary

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

    published in 1995 provide a solid framework for managing fertilizers and soil fertility. However, some ... K fertilizer management has been updated to reflect current economic and soil sampling realities. Build-up ... fertility should be extended beyond fertilizer management to include sound agronomic practices that promote ...

  2. Nitrogen

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

    possible. Application of N fertilizer before planting simplifies management but poses a greater risk of ... consistently shown that numerous N fertilizer forms are effective in providing N nutrition to crops. The choice ... recommendations do not account for N fertilizer application timing, but rather assume best management practices ...

  3. Soil Sampling, Handling, and Testing

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

    extension.purdue.edu/extmedia/AY/AY-368-w.pdf Michigan State University Soil Fertility and Plant Nutrition Resources: soil.msu.edu and ... The accuracy of a fertilizer recommendation depends on the quality of the soil sample collected ... first and perhaps most important step in developing a sound nutrient management plan. A quality soil ...

  4. Phosphorus and Potassium

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

    with greater flexibility in managing nutrients. The New Tri-State Fertilizer Recommendation Framework ... expected. Fertilizer should be applied at some point within the rotation to replace the nutrients removed in ... some cases, fertilizer may be applied every three or four years. Soil testing should be used to assess ...

  5. Updated Tri-State Fertilizer Recommendations Available

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-26/updated-tri-state-fertilizer-recommendations-available

    The authors of the Tri-State Fertilizer Recommendations for Corn, Soybeans, Wheat, and ... Anne Dorrance, Jeff Rutan, Darryl Warncke, Cassandra Brown The Tri-State Fertilizer Recommendations for ... nutrient management in field crops for Indiana, Michigan, and Ohio. As crop production practices in this ...

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

    https://agcrops.osu.edu/FertilityResources/tri-state_info

    This website provides a summarized version of the Tri-State Fertilizer Recommendations, reporting ... Vitosh, J.W. Johnson and D.B. Mengel. Acknowledgements The Tri-State Fertilizer Recommendations for Corn, ... a cornerstone in nutrient management in field crops for Indiana, Michigan, and Ohio. Field crop production ...

  7. Calcium, Magnesium, and Sulfur

    https://agcrops.osu.edu/node/3477

    S/acre every year typically supplies sufficient nutrition for grain crops. Tri-State Fertilizer ... but less likely to be added as fertilizer as N, P or K. Most soils in Indiana, Michigan, and Ohio ... best diagnostic tool for confirming S availability. Excessive use of K fertilizers can greatly reduce ...

  8. 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-guide-corn-soybean-wheat-and-alfalfa Soil ...

  9. Late-Season Waterhemp- The Goal is Stopping Seed

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-26/late-season-waterhemp-goal-stopping-seed

    In our windshield scouting of soybeans this year we have seen a lot of weedfree fields.  This ... years, which provides us with effective POST options for our major weed problems – common and giant ... ragweed, marestail, and waterhemp (now if we could just get rid of the baggage some of these traits ...

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

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

    the foundation for an adaptive nutrient management program. No changes. Details Soil pH and Lime ... States label and regulate liming materials differently. Details Nitrogen Fertilizer Recommendations Corn ... N recommendations are now based on economic model to maximize profitability. Fluctuating grain and fertilizer prices ...

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