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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. Director's Note, January 19, 2023

    https://senr.osu.edu/email/directors-note-january-19-2023

    Environmental Professionals Network (EPN) program celebrating World Soil Day. Learn more about this event and ...

  3. Ecology of Infectious Disease

    https://senr.osu.edu/courses/enr-5335

    diseases. Prereq: One undergraduate-level Biology course; or permission of instructor. Not open to students ...

  4. 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 ...

  5. 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 ...

  6. 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 ...

  7. Brundige Legacy Foundation

    https://franklin.osu.edu/program-areas/4-h-youth-development/club-advisor-resources/brundige-legacy-foundation

    at the county level along with the 4-H Professionals. It is our intent by offering grant awards ...

  8. Collaborating to Address Real World Environment and Natural Resource Challenges

    https://senr.osu.edu/news/collaborating-address-real-world-environment-and-natural-resource-challenges

    networking reception on December 6 in lead up to the World Soil Day themed evening program. The networking ...

  9. SENR Announcements, Dec. 16

    https://senr.osu.edu/email/senr-announcements-dec-16

    cited on the   relationship between racialized poverty segregation and hazardous industrial facilities ... here. Faculty member Jeffrey Jacquet is quoted in the Grid article, "Covid upended 50 years of ... and graduate student  Naseem Dillman-Hasso recently presented their research at the Society for Risk ...

  10. 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 ...

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