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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. 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. ...

  4. 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 ...

  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. Learn about strategies to deal with Long-Term Care in our upcoming webinar

    https://farmoffice.osu.edu/news/learn-about-strategies-deal-long-term-care-our-upcoming-webinar

    Care needs, projected costs of care, and strategies to minimize the risk Long-Term Care poses to ...

  7. Zinc Application to Wheat – Is it Needed?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-37/zinc-application-wheat-%E2%80%93-it-needed

    and soils with low soil test Zn level, not wheat.  Keep in mind, field crops in Ohio have a very ... soils with low organic matter could be deficient in Zn. Some studies also show that the high level of ... phosphorus may cause Zn deficiency, especially when Zn soil test levels are in low range. Crop type: Wheat is ...

  8. Faculty and Projects Summer 2024

    https://grad.cfaes.ohio-state.edu/future-students/opportunities-undergraduates/summer-research-experiences/faculty-and-projects-summer

    agricultural sustainability. Potential Summer Research Projects: Exploring connections between soil health and ... how do plants, animals & soil interact. She especially enjoys the complexity an animal brings to ... resilience of Ohio farms Greenhouse gas emissions from flood-prone grazed pastures Finding economic and soil ...

  9. Dicamba registration vacated

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/dicamba-registration-vacated

    control weeds, the use of effective soil-applied preemergence residual products will be especially ...

  10. Ohio Corn Performance Test (OCPT) 2023 Results

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-03/ohio-corn-performance-test-ocpt-2023-results

    The Ohio Corn Performance Test (OCPT) was started in Ohio in 1972. To date, it has a history of ... 50+ years. The purpose of OCPT is to evaluate corn hybrids for grain yield and other important ... agronomic characteristics. Results of the test assist farmers in selecting hybrids best suited to their ...

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