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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. Turfgrass Seminar

    https://hcs.osu.edu/courses/hcs-5890

    the process involved in solving turfgrass problems at the managerial level. Using real-life scenarios ...

  3. 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 ...

  4. Gardening for Beauty, Bees, and Butterflies

    https://fairfield.osu.edu/events/gardening-beauty-bees-and-butterflies

    Memorial Library, 150 E. Columbus St., Lithopolis, OH 43136 Reserve your seat today by calling Wagnall’s ...

  5. Gardening for Beauty, Bees, and Butterflies

    https://fairfield.osu.edu/events/gardening-beauty-bees-and-butterflies-0

    Memorial Library, 150 E. Columbus St., Lithopolis, OH 43136 Reserve your seat today by calling Wagnall’s ...

  6. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/AGF-515

    + (0.05 x CEC))] + (YP x CR) + 20 CL is the critical level (100 ppm at a CEC of 10), STL is the soil test ... test results are based on soil calibration studies that correlate soil test levels to crop yield ... crop (buildup stage). Once soil test values reach the critical soil test level, a maintenance approach ...

  7. 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 ...

  8. Ohio Data that Shaped the Tri-State Fertilizer Recommendations

    https://ohioline.osu.edu/factsheet/agf-518

    that very low soil test levels require high fertilizer rates, but as soil test levels increase, our ... able to answer the question, “At what soil test level should I apply fertilizer to see a yield ... response?” To answer this question, we need to establish a critical soil test level.  For each trial, we ...

  9. Nicole Arnold

    https://fst.osu.edu/our-people/nicole-arnold

    interventions, and risk communication- for consumers, food handlers, and other food educators. Through her ... Food safety, Extension, Food preservation, Consumer food safety education, Food labels, Risk ...

  10. Dr. Dominic Petrella

    https://hcs.osu.edu/our-people/dr-dominic-petrella

    I am also interested in the interactions between light and other stresses, such as the role of ... high-intensity light stress on cold tolerance and cold acclimation in a diverse range of turfgrass species and ...

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