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

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

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  2. Potassium Uptake and Ohio Crop Response

    https://ohioline.osu.edu/factsheet/anr-0147

    a measure of the risk of yield loss at a given soil-test K level without fertilizer applied during the ... total K content of Ohio soils is between 12,500 ppm and 30,500 ppm (Ames & Gaither, 1913). Even ... yield. For loams and clays, this would be 170 ppm; for sandy soils, it is 130 ppm. The range of soil test ...

  3. Fertilizer and Manure Regulations in the Lake Erie Western Basin Watershed

    https://ohioline.osu.edu/factsheet/anr-0156

    fertilizers containing nitrogen (N) and phosphorus (P) in the Western Lake Erie Basin under certain soil and ... snow-covered or frozen soil when the top 2 inches of soil are saturated from precipitation in granular form, ... and when the local weather forecast has a greater than 50% chance of precipitation exceeding 1 inch in ...

  4. TWEL Ashlyn Halseth

    https://senr.osu.edu/node/11601

    levels of morbidity and mortality. Despite its impact, the disease dynamics and individual risk of ... Sarcoptes scabiei var canis, poses significant threats to wild canid populations, as it results in high ... prevalence than studies conducted in rural areas. There was no significant increase in diagnoses between male ...

  5. Footbath Practices for Lameness Prevention

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-5/footbath-practices-lameness-prevention

    5% due to risk of chemical burn. Formalin is not as effective at temperatures below 50° F, and open ... angle. These high walls ensure cattle are getting their feet in the treatment. One side should be ... Footbaths are effective for approximately 150 to 350 cow passes. Barns with automated manure removal and ...

  6. Ohio Soil Health Week

    https://senr.osu.edu/events/ohio-soil-health-week

    Ohio Soil Health Week provides a time and space to celebrate, honor, and protect Ohio's ... soils. This weeklong celebration includes outreach, education opportunities, and events to raise ... awareness around  Ohio's most valuable natural resource: our soil. Check out the events planned and ...

  7. Graduate Exit Seminar- Hengkang Zhao

    https://senr.osu.edu/events/graduate-exit-seminar-hengkang-zhao

    quality index (SQI). Soils were sampled under long-term tillage (no-till, NT vs chisel-till, T) and ... Hall 333C or  via Zoom. Hengkang will present, "Temporal Changes of Soil Physical Properties in ... Relation to Tillage and Drainage." Abstract:  Soil physical properties play a crucial role in ...

  8. Fall Forage Management

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-4/fall-forage-management

    K 2 O. The recommended soil test ranges for phosphorus and potassium are 30 to 50 ppm and 120 to 170 ppm ... a high level of precision between sampling years so that you can accurately track your progress. Whether ... growth in the spring. We have to begin any soil discussion with a reminder to soil test. As you implement ...

  9. Nutrient Removal for Field Crops in Ohio

    https://ohioline.osu.edu/factsheet/anr-96

    manure equivalent at crop removal rates. Additionally, if soil test levels of P and K are below the ... critical level, then a "Buildup" recommendation would be considered to increase soil test levels ... soil test levels are at or above their respective maintenance limit, then no further P 2 O5 or ...

  10. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/agf-0514

    suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...

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