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  1. Fertilization Recommendations

    https://agcrops.osu.edu/node/4348

    maintain soil-test potassium levels for optimum soy- bean production is between 100 and 180 ppm. Potash ... Calcium (Ca) and Magnesium (Mg)  Soybeans require a minimum exchangeable soil test level of 200 and 50 ppm ... Recommendations for Soybeans.    Yield Potential (bu/ac)          Soil test (Bray P)  30 40 50 60 70 ppm (lb/ac)  ...

  2. Nutrient Management of Forage Crops Intended for Hay

    https://ohioline.osu.edu/factsheet/anr-0109

    is to maintain soil test P and K between the “critical level” (minimum) and “maintenance limit” ... level before planting. The estimated amount of P 2 O 5 required to raise a soil test 1 PPM is 20 pounds ... For example, if a soil test is 100 PPM and the goal is to increase the soil test to a critical level ...

  3. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/agf-0515

    determined using field studies to correlate soil test levels to crop yield response. Ohio data was used to ... This framework strives to build soil test levels up to and beyond a critical level, and then maintain ... these levels over time. The critical level is a key component to this framework. Soil test levels above ...

  4. Dairy Margin Coverage 2023 Deadline Is Fast Approaching

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-6/dairy-margin-coverage-2023-deadline-fast-approaching

    the DMC feed cost falls below the selected protection level of $4.00-9.50/cwt. Now is the time to ... well above $9.50/cwt, margins fell below the $9.50/cwt level in August to $8.08/cwt and in September ... much more reasonable, with the $9.50/cwt coverage level costing $0.15 per cwt. With the current ...

  5. 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 ...

  6. Do I Really Need to Wait for the Fly-Free Date? Wheat Planting Date and Other Management Considerations for Fall 2022

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-30/do-i-really-need-wait-fly-free-date-wheat-planting-date-and-other

    than corn or soybean, and soil test levels should be maintained between 30-50 ppm (Mehlich-3 P) for ... optimum production (Table 1). Do not add any phosphorus if soil test levels are higher than 50 ppm. Table ... Wheat, and Alfalfa. Soil potassium should be maintained at levels of 100-130 and 120-170 ppm (Mehlich-3 ...

  7. Weather Update: More Active Pattern Sets in for December

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-41/weather-update-more-active-pattern-sets-december

    Temperatures over this stretch will start out with highs in the 40s and 50s, cooling off into the 30s and 40s ... late fall oscillation between mild and chilly air. For the latest up-to-date conditions, seasonal ... the Weather Prediction Center is currently forecasting 0.50 (north)-2.00 (south) of precipitation ...

  8. Methane Mitigation Strategies for Dairy Farms

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-6/methane-mitigation-strategies-dairy-farms

    system: Forage production systems are highly variable and dependent upon farm conditions (e.g., soil type ... productivity have been inconsistent and are limited by cost because of the relatively high levels of inclusion ... prediction of CH4 production, and the possible existence of undesirable associations between CH4 production ...

  9. 2022 Ohio Soybean Performance Trials- Yield Results Available Online as Sortable Tables

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-41/2022-ohio-soybean-performance-trials-yield-results-available

    tested in six Ohio counties: Henry, Sandusky, Mercer, Union, Preble, and Clinton. Varieties were grouped, ... tested, and analyzed by maturity (early and late). Conventional (non-GMO), RoundUp Ready, Enlist, ... XtendFlex, sulfonylurea-tolerant, and Liberty Link/Glyphosate tolerant were tested in the same block to allow ...

  10. Ohio Corn Performance Test (OCPT) – 2022 Results Available

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-41/ohio-corn-performance-test-ocpt-%E2%80%93-2022-results-available

    The purpose of the Ohio Corn Performance Test (OCPT) is to evaluate corn hybrids for grain yield ... and other important agronomic characteristics. Results of the test can assist farmers in selecting ... made by seed companies and breeding programs. Results for the 2022 Ohio Corn Performance Test are ...

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