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  1. Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values

    https://ohioline.osu.edu/factsheet/anr-75

    Bray P. When only soil test values in the agronomic range were considered (less than 50 ppm Bray P), ... relationships between Mehlich-3, Bray P, and Ammonium Acetate soil test extractants in the Tri-State Region. ... 3–1170 ppm, and Mehlich-3 K values ranged from 25–899 ppm. We examined relationships with all soil test ...

  2. Grapevine Nutrient Management: Petiole Sampling and Analysis

    https://ohioline.osu.edu/factsheet/hyg-1438

    availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...

  3. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/AGF-514

    Soil test values may be reported in parts per million (ppm) or pounds per acre (lb/ac). To convert from ... ppm to lb/ac, multiply ppm by two. Phosphorus, potassium, calcium, and magnesium soil test values are ... 250–310 125–155 CEC=30 meq/100g 300–360 150–180 Calcium (Ca) 800–16,000 400–8,000 Levels less than 200 ppm ...

  4. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  5. 2021 November

    https://extension.osu.edu/extension-publishing/activity/2021-11-november

    Long Bacterial Diseases of Plants Role of Soil Bacteria Food Preservation: Making Jerky Gender Issues: ... Diseases of Plants Viral Diseases of Plants Chicken Breed Selection Understanding Soil Microbes and ... Nutrient Recycling Community Assessment Bushels, Test Weights, and Calculations Mystery Bugs and Bites ...

  6. 2022 Weed Control Guide for Ohio, Indiana, and Illinois (PDF)

    https://extensionpubs.osu.edu/2022-weed-control-guide-for-ohio-indiana-and-illinois-pdf/

    herbicide programs for non-GMO soybeans. An index to all tables regarding herbicides is listed on the back ...

  7. 2022 Weed Control Guide for Ohio, Indiana, and Illinois

    https://extensionpubs.osu.edu/2022-weed-control-guide-for-ohio-indiana-and-illinois/

    index to all tables regarding herbicides is listed on the back cover for easy navigation and quick ...

  8. Low-pressure Piping in Onsite Wastewater Treatment Systems for Ohio (PDF)

    https://extensionpubs.osu.edu/low-pressure-piping-in-onsite-wastewater-treatment-systems-for-ohio-pdf/

    Most soil treatment systems depend on gravity to distribute wastewater out into lateral trenches. ... entire soil treatment areas. The discussions on design and construction are intended to enable engineers, ... soil scientists, sanitarians, and installers to design, construct, and inspect low-pressure piping ...

  9. Training Manual: Ohio Agricultural Fertilizer Applicator Certification (PDF)

    https://extensionpubs.osu.edu/training-manual-ohio-agricultural-fertilizer-applicator-certification-pdf/

    Most soil treatment systems depend on gravity to distribute wastewater out into lateral trenches. ... entire soil treatment areas. The discussions on design and construction are intended to enable engineers, ... soil scientists, sanitarians, and installers to design, construct, and inspect low-pressure piping ...

  10. 2022 Northwest Ohio Corn-Soybean Day

    https://fulton.osu.edu/news/2022-northwest-ohio-corn-soybean-day

    ROI of the Tri-State Fertility Guide Eric Richer, OSU Extension Opportunities and Obstacles in Soil ... registrations are $50, space permitting.  Registration includes coffee/rolls, lunch, and speaker materials. ...

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