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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. Ohio’s Premier Ag Conference March 12-13 in Ada

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-05/ohio%E2%80%99s-premier-ag-conference-march-12-13-ada

    Sixty outstanding presenters with topics on agronomic crops, soil health, nutrient management, ... sessions include Soil Health, Cover Crops and No-till; Nutrient Management; Agronomic Crop Management; and ... about 4:30 p.m. Sessions will include: Soil Health, Cover Crops and No-till; Agronomic Crop Management; ...

  4. Statewide and Region Phosphorus Nutrient Use in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-02/statewide-and-region-phosphorus-nutrient-use-ohio

    trends in mean soil test P (STP) levels between 1993 and 2015. Since 2003, Ohio's P 2 O 5 removal ... P recommendations from 1995 to today, review changes in soil test phosphorus (STP), and identify the sources of ... declines in Soil Test P. Soil test P is one factor that can mitigate chronic P loss at the edge of a field. ...

  5. Wheat Planting Management Considerations for Fall 2023

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-32/wheat-planting-management-considerations-fall-2023

    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 phosphorus if soil test levels exceed 50 ppm. Soil potassium ... should be maintained at levels of 100-130 and 120-170 ppm (Mehlich-3 K) on sandy soils (CEC < ...

  6. Growers and Retailers Needed: Understanding Yield Response to K Applications in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-05/growers-and-retailers-needed-understanding-yield-response-k

    consultants, retailers, and farmers have been concerned that soil K values have been decreasing.  One cause for ... Fields need to be in a corn and soybean rotation and have pH levels within acceptable range.  Fields ... field plots.  The Ohio State University will work with the farmer or consultant to collect needed soil ...

  7. Spring Planting Weather/Climate Outlook

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-05/spring-planting-weatherclimate-outlook

      https://www.usanpn.org/files/npn/maps/six-leaf-index-anomaly.png Finally, the question is what about the last spring freeze date in 2024? Typically we see the last ...

  8. Conservation Tillage & Technology Conference March 12-13 in Ada

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/conservation-tillage-technology-conference-march-12-13-ada

    valuable information. Among the speakers are Barry Fisher, a soil health expert; Dan Quinn, Purdue ... Biologics; Laura Johnson, Heidelberg University; Shawn Lucas, Kentucky State University; Terry Hofecker, Soil ... Agriculture and Natural Resources Educators in local counties with assistance from local Soil and Water ...

  9. 2024 Corn College and Soybean School Recordings Available

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-05/2024-corn-college-and-soybean-school-recordings-available

    crop emergence, crop development, soil moisture, and kernel weight. ... Dr. Manbir Rakkar discusses crop response to phosphorus fertilizer, soil response to phosphorus ...

  10. Battle for the Belt Winter Meetings- In-Person in March!

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-05/battle-belt-winter-meetings-person-march

    https://go.osu.edu/24battleforthebeltlicking Additional afternoon topics: Investing in On-Farm Storage and Soil Health Perspectives ...

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