Site

Search results

  1. Plan Now for Fall Fertilization of Perennial Forages

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-26/plan-now-fall-fertilization-perennial-forages

    When soil test P exceeds the agronomic level of 50 PPM, there is increased  potential of P losses into ... For example, many dairies have high levels of soil P, making the expense of fertilizer P unnecessary. ... over-application harms the environment and can harm animals fed those forages. A recent soil test should always ...

  2. 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 ... are rare in Ohio. Magnesium (Mg) 50–1,000 100–2,000 Levels less than 20 ppm are a concern. Dolomitic ... recommendation tables, a conversion of P and K soil test values is needed if they are not reported as ppm using ...

  3. 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 ...

  4. Fertilizing Perennial Forages on Dairy Farms

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-4/fertilizing-perennial-forages-dairy-farms

    test P exceeds the agronomic level of 50 ppm, there is increased  potential of P losses into streams ... Many dairy farms have high levels of soil P, making the expense of fertilizer P unnecessary. When soil ... harm animals fed those forages. A recent soil test should always guide what nutrients to apply and how ...

  5. Corn Silage and Foliar Disease

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-4/corn-silage-and-foliar-disease

    contamination of corn silage and high moisture corn with many nutritionists encouraging levels below 1 ppm in ... with DON levels as high as 17.9 ppm in one hybrid and 30.3 ppm in the other hybrid. Again, fungicide ... by at least 50%. The trial was then expanded the second year, which was a high disease pressure year ...

  6. Seeding Perennial Forages in Late Summer

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-4/seeding-perennial-forages-late-summer

    30 to 50 ppm Mehlich-3 and for grasses 20 to 30 ppm Mehlich-3. The optimal soil potassium level is ... much tillage depletes soil moisture and increases the risk of soil crusting. Follow the "footprint ... and clovers should have a pH of 6.0 or above. The optimal soil phosphorus level for forage legumes is ...

  7. Seeding Perennial Forages in Late Summer

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-24/seeding-perennial-forages-late-summer

    phosphorus level for forage legumes is 30 to 50 ppm Mehlich-3 and for grasses 20 to 30 ppm Mehlich-3. The ... optimal soil potassium level is 120 to 170 ppm for most of our soils.   Check herbicide history of field. ... contact. Be aware that too much tillage depletes soil moisture and increases the risk of soil crusting. ...

  8. Estimated and Soil Test Methods to Determine Supplemental N need after Flooding

    https://brown.osu.edu/news/estimated-and-soil-test-methods-determine-supplemental-n-need-after-flooding

    than 10 pounds of N for every 2 ppm reduction in soil sample N below the expected levels listed in ... field conditions, an understanding of loss mechanisms and other estimates of loss or soil tests may help ... soil temperatures between 55 to 65 degrees Fahrenheit, approximately 2 to 3% of soil nitrate is lost ...

  9. Estimated and Soil Test Methods to Determine Supplemental N need after Flooding

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-19/estimated-and-soil-test-methods-determine-supplemental-n-need

    than 10 pounds of N for every 2 ppm reduction in soil sample N below the expected levels listed in ... understanding of loss mechanisms and other estimates of loss or soil tests may help decide on 2022 management in ... between 55 to 65 degrees Fahrenheit, approximately 2 to 3% of soil nitrate is lost per day under saturated ...

  10. All Puckered Up: Dicamba Drift Reminders

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-25/all-puckered-dicamba-drift-reminders

    a long half-life in the soil and risk of injury is increased in years with low rainfall. Typical PGR ... chemical makeup and high vapor pressure. Formulation greatly affects the volatility of 2,4-D. Higher ... plant stunting. Soybean tolerance to sublethal rates of these herbicides varies between the different ...

Pages