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  1. Soil Test P value less than 50 PPM (or "Lower" P Risk Assessment)

    https://agbmps.osu.edu/scenario/soil-test-p-value-less-50-ppm-or-lower-p-risk-assessment

    of fertilizer at the crop removal rate to reduce risk of yield reduction. Another consideration with ... STP less than the "critical level" is to apply additional fertilizer at rates more than crop ... application of crop removal rates of fertilizer. A maintenance application can be applied any time during the ...

  2. 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 ...

  3. Soil Test P value between 50 PPM and 120 PPM (or "Moderate" P Loss Risk Assessment)

    https://agbmps.osu.edu/scenario/soil-test-p-value-between-50-ppm-and-120-ppm-or-moderate-p-loss-risk-assessment

    edge-of-field would be cost effective. Fertilizer rate determination and application practices Applying ... PPM. Manure maybe used but at overall rates that drawdown STP levels. Soil test results should be ... the 4R’s of nutrient stewardship (the right rate, right placement, right timing, and right source of ...

  4. CFAES’ Cooperstone recognized for research that improves tomato nutrition

    https://cfaes.osu.edu/features/cfaes%E2%80%99-cooperstone-recognized-for-research-improves-tomato-nutrition

    breeding/genetics, analytical chemistry, bioinformatics, and nutrition to help develop tomatoes that are healthier ...

  5. Soil Test P value greater than 120 PPM (or P Risk Assessment of "High" to "Very High")

    https://agbmps.osu.edu/scenario/soil-test-p-value-greater-120-ppm-or-p-risk-assessment-high-very-high

    and filtering practices are highlighted at the end of this section Fertilizer rate determination and ... Sampling Identify lower testing field for application of organic nutrients. Use variable rate application ... where spatial variation results in a range of suggested nutrient application rates to avoid applications ...

  6. Pandemic worsening food insecurity

    https://cfaes.osu.edu/news/articles/pandemic-worsening-food-insecurity

    Alayna DeMartini COLUMBUS, Ohio—Bringing higher rates of unemployment and poverty, the pandemic ...

  7. 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, ...

  8. COVID-19 spiking in rural Ohio

    https://cfaes.osu.edu/news/articles/covid-19-spiking-in-rural-ohio

    state’s rural counties have the highest rates of new cases. Counties in northwest Ohio lead the uptick. ... Putnam County, north of Lima, tops the state's list of counties  ranked by the rate of cases ...

  9. 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 ...

  10. 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. ...

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