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  1. 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 only the main points of the document, but lacking comprehensive detail. For complete information, please see the full version which is available as a pdf or ...

  2. 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 ...

  3. Soil PH and Lime Recommendations

    https://agcrops.osu.edu/node/3483

    Soil pH is one of the most important properties in determining the cycling and availability of soil nutrients. Soil testing regularly and applying lime to maintain recommended pH levels should be the first step growers take to assure crops have sufficient ...

  4. 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 ...

  5. 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 ...

  6. Calcium, Magnesium, and Sulfur

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

    Calcium (Ca), magnesium (Mg), and sulfur (S) are the three secondary nutrients required by plants, but less likely to be added as fertilizer as N, P or K. Most soils in Indiana, Michigan, and Ohio adequately supply these nutrients for plant growth. A stan ...

  7. Micronutrients

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

    Micronutrients are essential plant nutrients that are found in trace amounts in tissue but play a vital role in plant growth and development. Of the 17 elements essential for plant growth, eight are micronutrients: boron (B), chlorine (CI), copper (Cu), i ...

  8. Extension Teaching and Peer Review Letters: Let’s Get Better Together

    https://extension.osu.edu/blog/october-20-2020-844pm/extension-teaching-and-peer-review-letters-let%E2%80%99s-get-better-together

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  9. The Status and Changing Face of Ohio Agriculture: Summary of Ohio Farm Trends 1997-2017

    https://extensionpubs.osu.edu/the-status-and-changing-face-of-ohio-agriculture-summary-of-ohio-farm-trends-1997-2017/

    In 2017, Ohio was ranked in the top 10 states for production of grains, nursery and greenhouse crops, hogs and pigs, and horses. Ohio farms raised farm commodities worth over $9 billion. A recent study estimated that Ohio’s combined food and agriculture s ...

  10. The Status and Changing Face of Ohio Agriculture: Summary of Ohio Farm Trends 1997-2017 (PDF)

    https://extensionpubs.osu.edu/the-status-and-changing-face-of-ohio-agriculture-summary-of-ohio-farm-trends-1997-2017-pdf/

    In 2017, Ohio was ranked in the top 10 states for production of grains, nursery and greenhouse crops, hogs and pigs, and horses. Ohio farms raised farm commodities worth over $9 billion. A recent study estimated that Ohio’s combined food and agriculture s ...

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