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  1. Crop Response to Potassium Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/crop-response-potassium-fertilizer-ohio

    of yield penalty with no K application decreases as soil K levels go above 100 ppm. If the soil test ... (2023) classified Mehlich-3 soil K levels into <70, 70-100, 100-130, 130-160, and >160 ppm to ... yield, the higher the yield increase from K fertilizer.   Generally, as the soil test K levels decreased, ...

  2. Spring Forage Establishment

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/spring-forage-establishment

    Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium the optimal range is 100-130 ppm for sandy soils with a CEC less than 5, for loam and clay soils ...

  3. Spring Forage Establishment

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-2/spring-forage-establishment

    Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium, the optimal range is 100-130 ppm for sandy soils with a cation exchange capacity (CEC) less than ...

  4. Crop Response to Phosphorus Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-03/crop-response-phosphorus-fertilizer-ohio

    soil P levels go above 20 ppm. If the soil test P level is less than 20 ppm, there is an increased risk ... less than 10 ppm, the median relative yield was 87%. As the soil test P level increased above the ... the Mehlich-3 soil test P level. The Mehlich-3 soil P measures the readily available soil P for crop ...

  5. 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 ...

  6. 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 ...

  7. ServSafe Manager Certification Training

    https://washington.osu.edu/news/servsafe-manager-certification-training

    The Ohio Department of Health requires all food service facilities licensed at a ‘Risk Level 3 or ... flyer for dates. The class fee is $150 per person. Also Available:  LEVEL 1 FOOD SAFETY- ... 4’ to have at least one staff person who has completed an ODH approved Level 2 Food Safety training.  ...

  8. Look Out for Nitrogen Loss Due to Heavy Rains

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-09/look-out-nitrogen-loss-due-heavy-rains

    N fertilizer was applied recently in such fields, especially without incorporation into the soil, there is high ... in Corn from Recent Storms Determine N in the soil: Pre-Sidedress Nitrogen test (PSNT) can be done to ... N would be needed in this article: Estimated and Soil Test Methods to Determine Supplemental N need after ...

  9. Soil Testing for Ohio Lawns, Landscapes, Fruit Crops, and Vegetable Gardens

    https://pike.osu.edu/news/soil-testing-ohio-lawns-landscapes-fruit-crops-and-vegetable-gardens

    Soil tests provide more helpful information on soils than any other resource. It is an inexpensive ... gardens and fruit crops. Soil test results pinpoint plant nutrient needs and soil test lab recommendations ... for making plant selection decisions based on “the right plant in the right place” and a soil test can ...

  10. Spring 2024 Weather & Soil Conditions: Update 3

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-10/spring-2024-weather-soil-conditions-update-3

    50s and 60s on Thursday and Friday. High pressure will slowly take control over the weekend into early ... Soil Temperatures and Moisture Daily average soil temperatures jumped 5-10°F this week due to ... warmer conditions, randing from the low 50s in Ashtabula to as warm as 57°F at Western in Clark County ...

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