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  1. Nitrogen

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

    equipment considerations, and farmer preference. Nitrogen Rates for Corn Indiana, Michigan, and Ohio corn ... N rate recommendations (and those of Iowa, Illinois, Minnesota, and Wisconsin) are based on extensive ... N response trials conducted over several years in each state. These trials have determined the N rate at ...

  2. Executive Summary

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

    rate recommendations for corn are based on an economic model designed to maximize farmer profitability ... Tri-State Fertilizer Recommendations for Corn, Soybeans, Wheat, and Alfalfa: Crop removal rates were updated ... with current analyses of grain P and K concentrations. Nutrient removal rates per bushel of grain have ...

  3. Phosphorus and Potassium

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

    a four-year period. For deficient soils, recommended rates of fertilizer should be applied annually. When ... K fertilizer rate in the build-up range. The new recommendations classify all loam and clay soils together (CEC ... >5 meq/100 g) into a consistent and simplified recommendation. P and K Crop Nutrient Removal Rates ...

  4. Phosphorus Fertilizer Recommendations

    https://agcrops.osu.edu/node/3479

    for pounds of P 2 O 5 per acre, not pounds of fertilizer per acre. Final fertilizer recommended rates ...

  5. Tri-State Fertilizer Recommendations- Additional Resources

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

    Nitrogen Rate Calculator, cnrc.agron.iastate.edu Sawyer, John, Emerson Nafziger, Gyles Randall, Larry ... Bundy, George Rehm, and Brad Joern. 2006. Concepts and Rationale for Regional Nitrogen Rate Guidelines ... Removal Rates Culman, Steve, Phoo P. Zone, Nakian Kim, Anthony Fulford, Laura Lindsey, Peter Thomison, ...

  6. Potassium Fertilizer Recommendations

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

    fertilizer recommended rates in pounds of fertilizer per acre can be calculated by dividing the provided ...

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

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

    extensive field trials over past decade. Details Grain nutrient removal rates per bushel of yield have ...

  8. Calcium, Magnesium, and Sulfur

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

    rotating out of alfalfa to have depleted soil test K levels. Sulfur removal rates are listed in Table 29. ...

  9. Micronutrients

    https://agcrops.osu.edu/node/3476

    granular or foliar formulations. All reputable fertilizers should be labeled for rate, spray volume, ...

  10. Drought Returns to Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-23/drought-returns-ohio

    less than 0.10”. With very little rain and intense evaporation rates (0.25-0.30” per day), soil ...

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