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  1. Tri-State Fertilizer Recommendations- Additional Resources

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

      Warncke, Darryl, Jon Dahl, and Lee Jacobs. 2009. Nutrient Recommendations for Field Crops in Michigan, ... soils.msu.edu/wp-content/uploads/2014/06/MSU-Nutrient-recomdns-field-crops-E-2904.pdf Michigan State University Soil and Plant Nutrient Lab, canr.msu.edu/spnl  Grove, John, Raymond ... Ward, and Raymond Weil. 2007. “Nutrient Stratification in No-till Soils.” Leading Edge, The Journal of ...

  2. Nitrogen

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

    most challenging nutrients to manage in field crops. A primary challenge for farmers is to provide ... refine a localized N rate for any given field. Indiana Corn N Rates Economically optimal N rate ... agry.purdue.edu/ext/corn/news/timeless/nitrogenmgmt.pdf. Michigan Corn N Rates Michigan corn N rate model provides an N rate and profitable range ...

  3. Soil Sampling, Handling, and Testing

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

    variability of soil within a field Depth of sampling Time of year when samples are taken How often an area is ... for a field. All fields have some degree of natural horizontal and vertical soil variability, so the ... density of soil sampling should increase as field variability increases. Deciding on a soil sample ...

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

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

    a cornerstone in nutrient management in field crops for Indiana, Michigan, and Ohio. Field crop production ...

  5. Executive Summary

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

    The Tri-State Field Crop Fertilizer Recommendations for Indiana, Michigan, and Ohio have been ... aspects of supplying adequate nutrition to crops. Soil pH should be kept between 6.0 and 6.8 for field ... soil biology and physical structure in field crop systems. See a Quick Reference Guide to Tri-State ...

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

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

    are calibrated with recent field trials with modern varieties. Details Phosphorus and Potassium ... (Mehlich-3 P). This update is based on extensive field trials over past decade. Details K critical levels are ... extensive field trials over past decade. Details Grain nutrient removal rates per bushel of yield have ...

  7. Calcium, Magnesium, and Sulfur

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

    excessive uptake (i.e., luxury consumption) of K and improve Mg uptake. This can sometimes result in fields ... bushel/acre corn; 11 lbs of S/acre with 60 bu/acre soybean). Recent field trials in the tri-state region have ...

  8. New Crop Staging Videos

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-24/new-crop-staging-videos

    connect the staging guidelines to practice using live plants in the field. The videos can be found in the ... Accurate crop staging is important to time management practices in the field. Many pesticides may have ... Solely using calendar dates to make decisions may lead to suboptimal timing of management practices it ...

  9. Micronutrients

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

    true for fields that regularly receive livestock manure. Field crop deficiencies of Cl, Mo, and Fe have ... a sufficiency table for micronutrient concentrations in field crop components. These values remain unchanged in ...

  10. NRCS Seeks Comments on 590 Nutrient Management Standard Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-25/nrcs-seeks-comments-590-nutrient-management-standard-update

    (Code 590). If approved, this Nutrient Management Standard would revise the current Ohio Field Office ... LaBarge, field specialist, Agronomic Systems Ohio State University Extension. “I look forward to continued ... Ohio’s Water Quality by reducing losses of nutrients from crop fields.-Simplified the language and made ...

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