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  1. 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 ...

  2. 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)  ...

  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. TWEL Melissa Stanger Thesis

    https://senr.osu.edu/node/10707

    between the two scenarios’ context. Interestingly, a variety of cognitive (e.g., wildlife value ... Bobcat and coyote management scenarios: evaluating the flexibility of management preferences in ... probable scenarios Melissa Eileen Stanger, MS Advisor: Jeremy T. Bruskotter Thesis Coyotes (Canis latrans) ...

  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. SENR Announcements, Dec. 2

    https://senr.osu.edu/email/senr-announcements-dec-2

    large-scale, high-impact research that addresses emerging or existing challenges of national and international ... Ohio State University Copy:  The networking reception at next week's World Soil Day celebration ... Presentations  on display before the evening program, "Soil for Food! Data, technologies, and collaborations ...

  8. 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 ...

  9. TWEL Leandro Lessin Thesis

    https://senr.osu.edu/node/10704

    with buildings to test their influence on bird collisions in Cleveland, Cuyahoga County, Ohio, during ... interaction between Julian date and maximum dry bulb temperature when predicting collision numbers, and this ... highlights the need to include complex variable interactions when modeling and predicting collision risk ...

  10. TWEL Aaron Skinner Thesis

    https://senr.osu.edu/node/10706

    highly vocal. We extracted data from 52 archival GPS tags from individuals across the Midwestern U.S. to ... imagery and δ13C (measuring habitat moisture) and δ15N (relative trophic level) stable isotope ratios from ... level.   Whip-poor-wills circumvented the Gulf of Mexico, and populations across a large latitudinal ...

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