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  1. Ohio State Report Evaluates Options for Reducing Lake Erie’s Harmful Algal Blooms

    https://fabe.osu.edu/news/ohio-state-report-evaluates-options-reducing-lake-eries-harmful-algal-blooms

    Phosphorus, which includes Dissolved Reactive Phosphorus, lower oxygen levels in the lake, and result in the ... reduction goals for Dissolved Reactive Phosphorus. These results point to the need to further increase ... a higher potential of reducing phosphorus runoff. While this approach will result in accelerated gains in ...

  2. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    more than 0.5 inches of rainfall. Use the Ohio P risk index, field scale hydrology/water quality ... for high-risk P loss sites: Monitor fields for P loss using the Ohio P risk index and field scale ... quality water management practices ohio p risk index Agriculture and Natural Resources ...

  3. Understanding How Soil Test Phosphorus Impacts Water Quality

    https://ohioline.osu.edu/factsheet/anr-0111

    in Ohio identify a procedure for assessing P loss risk which defines the high-risk P loss category at ... initial STP value, it will take 5 to 44 years to return to 100 ppm STP. Under Ohio conditions, a similar ... are not widespread. A summary of 2020 soil test results for Ohio finds that approximately 10% of soil ...

  4. Thoughts from the Director

    https://extops.cfaes.ohio-state.edu/newsletter/news-and-notes/may-26-2023/thoughts-director

    options, and they will be recorded and shared. Taking Action. I shared the Enterprise Trust Index initial ... enjoy the sunshine and signs of new life everywhere in Ohio, and make time to completely unplug and ... refuel. I want to provide some important updates: Interviews. The interviews to fill the assistant ...

  5. Phosphorus (P) Nutrient Use in Ohio

    https://ohioline.osu.edu/factsheet/anr-0143

    Systems, The Ohio State University Soil available and added phosphorus (P) nutrient impacts Ohio’s crop ... for 1987–2016, with no immediate plans to update. To provide a recent picture of Ohio P nutrient use, ... occurring. Trends in median soil test results for Ohio counties from 1993 to 2015 are shown in Figure ...

  6. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/AGF-515

    results from representative soil sampling (Table 1) to compare with the desirable range for phosphorus and ... is 23 ppm, which falls in the 15–30 ppm range. The resulting phosphorus recommendation is 50 pounds ... test results are based on soil calibration studies that correlate soil test levels to crop yield ...

  7. Soil Phosphorus and Crop Response to Phosphorus Fertilizer in Ohio

    https://ohioline.osu.edu/factsheet/anr-0146

    Extension Phosphorus (P) is critical for crop production but also poses a threat to water quality in Ohio ... PDF). Soil phosphorus and crop response to phosphorus fertilizer in Ohio. Apart from soil-test P levels, ... resulting in robust findings on phosphorus management. References Culman, S., Fulford, A., Camberato, J., ...

  8. Fertility Management of Meadows

    https://ohioline.osu.edu/factsheet/anr-5

    the same results as agricultural ground limestone. The Ohio Agronomy Guide lists equivalent amounts of ... sources. Phosphorus is not mobile in the soil and can result in high concentrations over time. Grazing ... critical soil test level of 15-25 parts per million (ppm) phosphorus for Bray P1 test results or 28-40 ppm ...

  9. FABE Researchers Receive $5 Million Grant to Study Runoff from Elevated Phosphorus Fields

    https://fabe.osu.edu/news/fabe-researchers-receive-5-million-grant-study-runoff-elevated-phosphorus-fields

    COLUMBUS, Ohio — Some farm fields in northwest Ohio’s Maumee River watershed have more phosphorus ... than their crops can use. Called “elevated phosphorus fields,” such fields may be at higher risk of ... phosphorus field requires soil test results, and those aren’t public information; they’re often kept only ...

  10. Planning for the Successful Transition of Your Agricultural Business

    https://ohioline.osu.edu/factsheet/anr-47

    Generation.  Ohio State University Extension, Bulletin 862.  Acknowledgments This fact sheet was developed as ... a result of a grant received by OSU Extension from the North Central Risk Management Education Center, ... management of the family business to the next generation will become one of the most important issues farm ...

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