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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. 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 ...

  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. Phosphorus Removal Structure (NRCS 782)

    https://agbmps.osu.edu/bmp/phosphorus-removal-structure-nrcs-782

    DP concentration flow through the PSM in the structure at a suitable flow rate while allowing enough ... no longer effective at removing P at the minimum desired rate. Some materials are available that ... the desired P removal at  the chosen flow rate and RT. An important factor in design is PSM selection. ...

  5. Critical Concerns

    https://agbmps.osu.edu/critical-concerns

    BMP's Evaluate rate to account for organic and inorganic nitrogen sources applied Nutrient Management ...

  6. Congrats Jordon Wade on publishing expansive soil health study!

    https://soilfertility.osu.edu/news/congrats-jordon-wade-publishing-expansive-soil-health-study

    aggregated research corn N rate trials across the Midwest to ask the question "do improvements in soil ...

  7. Western Agricultural Research Station

    https://oardc.osu.edu/facility/western-agricultural-research-station

    strategies in corn, soybeans, and wheat, trying to determine which fertilizer rates and crop growth stages ... different growth stages to determine the best integrated pest management strategy and rate disease control- ...

  8. Publications

    https://soilfertility.osu.edu/publications

    Chaganti, V., Culman, S.W., Dick, W.A., Kost, D. Evaluating the Effects of Gypsum Application Rate ... to Nitrogen Fertilization Rate in No-till Corn Systems. Agriculture, Ecosystems and Environment 179: ...

  9. Ashtabula Agricultural Research Station

    https://oardc.osu.edu/facility/ashtabula-agricultural-research-station

    approaches to weed control are an ongoing focus at the Station. Herbicide-treated mulches, herbicide rates ...

  10. Jackson Agricultural Research Station

    https://oardc.osu.edu/facility/jackson-agricultural-research-station

    conception rates in beef cattle. Nutrition Researchers and personnel at the Station work to match feed ...

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