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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, ...
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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 ...
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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 ...
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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 ...
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FRST Fertilizer Recommendation Support Tool Launches Nationwide to Digitize Crop Nutrient Management
Recommendation Support Tool), a decision-aid that provides an unbiased, science-based interpretation of soil test ... harmonize soil testing across state boundaries. It represents an improvement in our ability to evaluate soil ... test correlation.” The new web-based tool represents a significant advancement in soil testing for ...
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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 ...
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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 ... from Recent Storms Determine N in the soil: Pre-Sidedress Nitrogen test (PSNT) can be done to quantify ... N would be needed in this article: Estimated and Soil Test Methods to Determine Supplemental N need after ...
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Test home minus news- do not publish
https://soilhealth.osu.edu/node/173
disciplines. This site focuses primarily on soils as a growing medium. ... Soil health experts at The Ohio State University will address your question(s). Soil ... interrelated and equally important. Feeding the soil, not the plant. Sustainable agricultural practices harness ...
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TEST page with icon- do not publish
https://soilhealth.osu.edu/node/172
other disciplines. This site focuses primarily on soils as a growing medium. Soil health ... Soil Health is… Holistic. S oil health considers chemical, physical, and biological properties, ... which are interrelated and equally important. Feeding the soil, not the plant. Sustainable agricultural ...
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TEST 3 Homepage- do not publish
https://soilhealth.osu.edu/node/174
disciplines. This site focuses primarily on soils as a growing medium. ... Soil health experts at The Ohio State University will address your question(s). Soil Health ... interrelated and equally important. Feeding the soil, not the plant. Sustainable agricultural practices harness ...