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  1. Phosphorus (P) Nutrient Use in Ohio

    https://ohioline.osu.edu/factsheet/anr-0143

    percent of Ohio counties had decreasing trends in mean soil test P (STP) levels between 1993 and 2015. ... a large degree for given soil test P (STP) values and crop production levels. In instances with the same ... reduced median soil test P (STP) levels across most Ohio counties from 1995 to 2015 supports this finding ...

  2. Fertilization Recommendations

    https://agcrops.osu.edu/node/4348

    Magnesium (Mg)  Soybeans require a minimum exchangeable soil test level of 200 and 50 ppm (400 and 100 ... Recommendations for Soybeans.    Yield   Potential   (bu/ac) Soil   test   (Bray   P) 30 40 50 60 70 ppm   (lb/ac) ... Cation Exchange Capacities (CECs) and Soil-Test Levels.  ​​​​​​     Yield Potential bu/  ac 30 40 50 60 ...

  3. 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 ...

  4. Camp Whitewood 4-H Camp Counselors 2024

    https://mahoning.osu.edu/node/3034

    educational opportunities on 227 acres in Northeastern Ohio. Nestled between beautiful Warner's Hollow ... Dates: Sunday, June 23, 2024 – Friday, June 28, 2024 If you are between the ages of 8 and 14 you should ...

  5. Winter Application of Manure in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-032023-41/winter-application-manure-ohio

    things to keep in mind. Frozen ground would be soil that you cannot inject the manure into or cannot ... application of manure on frozen and snow-covered soil is not acceptable. An emergency exists as a temporary ... frozen soils are available for manure application. All applications of liquid manure to frozen and ...

  6. 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 ...

  7. Fertility Recommendations

    https://agcrops.osu.edu/node/4423

    surface residues are high. Soils that have moderate to high levels of soil test phosphorus and potassium ... current soil test levels. Considering it takes between 8 to 20 pounds of P2O5 and 5 to 10 pounds of K2O ... benefit of starter fertilizers increases when soil test levels and soil temperatures are low and when soil ...

  8. Ohio CCA Pre-Exam Preparation Class

    https://agcrops.osu.edu/events/ohio-cca-pre-exam-preparation-class

    test by covering basic principles in the four competency areas – nutrient management, soil and water ... online tests. You must pass both exams to obtain Certified Crop Adviser status. Tests are offered four ... Physiology Variety Selection Soil & Water Management Soil Properties Soil Water Surface and Ground Water ...

  9. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/agf-0514

    suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...

  10. Master Gardener Volunteer Forms

    https://butler.osu.edu/program-areas/master-gardener-volunteers/master-gardener-volunteer-forms

    Programs with Minors, Policy 1.50 Activities and Programs with Minors, Policy 1.50 Signature Page ...

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