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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. 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 ...

  3. 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 ...

  4. OSU Deoxynivalenol, DON, Resistance Screening Program-2024

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-06/osu-deoxynivalenol-don-resistance-screening-program-2024

    and consistently lower DON levels are easier to keep low than those that were highly susceptible. ... temperatures between 59 ° F and 86 ° F.   Table 1 below summarizes the DON ppm as an average across locations ... lowest average DON level. The variability among some of the hybrids with high DON levels led to high ...

  5. Soil Phosphorus and Crop Response to Phosphorus Fertilizer in Ohio

    https://ohioline.osu.edu/factsheet/anr-0146

    responding to applied P can best be predicted by soil-test P levels. Recently, Culman et al. (2023) published ... 29.9% of trials, soybean in 14.2% of trials, and wheat in 36.8% trials. Critical soil test levels ranged ... Furthermore, the risk of yield loss with no P application decreased as the soil P level increased. As per the ...

  6. Forage Testing for Beef Cattle

    https://ohioline.osu.edu/factsheet/anr-0149

    0.12% Mg. High soil potassium levels are associated with increased incidence of grass tetany. The ratio ... (ppm). If the forage contains a high level of molybdenum (2 ppm) or sulfur at 0.25%, Cu could be ... samples are low in Zn. The recommended levels for zinc are between 30 and 1,000 parts per million (ppm ...

  7. Agricultural Land Lost to Development

    https://aede.osu.edu/news/agricultural-land-lost-development

    between 2001 and 2021.  The NLCD defines several categories for developed land – high, medium, and low ... land in farms declined by 6.4% between 2002 and 2022.  One number that is concerning to agricultural ... Statistical Areas had among the largest percentages of agricultural land loss to development (as high as 93% ...

  8. Home Horticulture

    https://butler.osu.edu/program-areas/home-horticulture

    Lecture Series 2024 Click Here to Learn More About Soil Testing ...

  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

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

  10. Food Extrusion Workshop

    https://foodindustries.osu.edu/events/food-extrusion-workshop

    products, and High Moisture Extrusion (HME). By the end of this workshop, you will be equipped with the ... Sensory Testing Course Fee The cost to attend is $1,100 per person by the registration deadline of June ... Cancellations must be received by June 10 to receive a partial refund. There is a $50 cancellation fee. No ...

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