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  1. Introduction to Graduate- Level East Asian Studies

    https://fabe.osu.edu/courses/agsysmt-7786

    AGSYSMT 7786 This interdisciplinary course is a combination of student explorations of scholarly work in East Asia and subjects in these cultures. Readings and presentations on the impact of STEM in agriculture and environment on the cultures in East Asia ...

  2. 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 ...

  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. 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 ...

  5. 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 ...

  6. FABE Professor's Group Selected for NASA’s ECOSTRESS Science and Applications Team

    https://fabe.osu.edu/news/fabe-professors-group-selected-nasa%E2%80%99s-ecostress-science-and-applications-team

    allow the team to develop novel methods to integrate ECOSTRESS and Soil Moisture Active Passive (SMAP) ...

  7. 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 ...

  8. Rabies Prevention in Livestock

    https://ohioline.osu.edu/factsheet/vme-0001

    making the decision about the need for rabies vaccination. Vaccination of people in high-risk jobs, such ... the usual culprits  for spreading infection in Ohio with cats and dogs occasionally testing positive ... and one fox. While skunks and dogs have tested positive in the past, no confirmed cases were reported ...

  9. Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation

    https://ohioline.osu.edu/factsheet/anr-81

    example of typical soil test levels in Ohio (in ppm). We can calculate the collective charge each cation ... by the soil test levels. For calcium, a soil test level of 2000 ppm, divided by 200 equals 10.0 ... (ppm) to meq/100 g soil for base and acid cations to determine CEC. Base Cation Soil test level (ppm ...

  10. Data Analytics in Production Agriculture

    https://fabe.osu.edu/courses/agsysmt-5580

    actionable spatial and temporal management recommendations at the sub-field level. Laboratory exercises ...

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