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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. 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 ...

  5. 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 ...

  6. 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 ...

  7. EPN Evening Event- Monday, December 5, 2022: Soil for Food! Data, technologies, and collaborations that build healthy soils and enhance human nutrition

    https://epn.osu.edu/events/epn-evening-event-monday-december-5-2022-soil-food-data-technologies-and-collaborations-build

    Register Here Program Overview Soil health decline is driving many of the most persistent food ... nutrition, access, and security issues for communities across the globe. World Soil Day 2022 (#WorldSoilDay) ... and its campaign "Soils: Where food begins" aims to raise awareness of the importance of ...

  8. Weather Update: January-like Weather Abates in Time for Thanksgiving

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-40/weather-update-january-weather-abates-time-thanksgiving

    skies through Wednesday with highs warming from the upper 40s to low 50s on Tuesday into the mid to ... leaning wetter than normal (Figure 3). Climate averages include a high-temperature range of 46-50 ... outlooks, and monthly climate summaries, please visit the State Climate Office of Ohio.   Forecast High ...

  9. Upcoming Ohio Certified Crop Adviser Pre-Exam Preparation Class

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-40/upcoming-ohio-certified-crop-adviser-pre-exam-preparation-class

    class will provide an overview of the CCA program, and help you prepare for the test by covering basic ... principles in the four competency areas – nutrient management, soil and water management, pest management, ... proctored online tests. You must pass both exams to obtain Certified Crop Adviser status. Both exams are now ...

  10. Pulsed Electric Field Processing Applications in the Food Industry

    https://ohioline.osu.edu/factsheet/fst-fabe-1002

    field (PEF) processing is a new food pasteurization method that uses short bursts of high voltage ... Does PEF Work? PEF processing applies high voltage pulses (20–80 kV/cm) with a duration of milliseconds ... to microseconds to treat liquid foods placed between two electrodes (Zhang et al. 2010; Toepfl, ...

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