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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. 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 ...

  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. 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 ...

  5. Advances in High Throughput Phenotyping

    https://fabe.osu.edu/courses/fabeng-5335

    FABENG 5335 High-Throughput Phenotyping (HTP) is an emerging field that integrates remote sensing ... High Throughput Phenotyping provides an overview of the sensing and modeling tools that are being ...

  6. Environmental Biophysics

    https://fabe.osu.edu/courses/fabeng-5330

    FABENG 5330 Environmental Biophysics provides an overview of the interactions between the physical ...

  7. CFAES is advancing our understanding of wildlife, wildlife habitat, management, and conservation for generations to come.

    https://cfaes.osu.edu/features/cfaes-is-advancing-our-understanding-wildlife-wildlife-habitat-management-and-conservation

    Human-wildlife relationships reflect the interactions between natural and social systems. As ... changing climate, unsustainable hunting levels, human-wildlife conflicts, and diminishing public support ... the reintroduction of chestnut and regeneration in oak forests. "Certain interactions between plants and ...

  8. CFAES Award Recipients from OSU Extension

    https://cfaes.osu.edu/features/cfaes-award-recipients-from-osu-extension

    management. At the university and college levels, he has been recognized for his outstanding service to ... Specialists cover crop management, entomology, weed science, agricultural engineering, and soil fertility for ...

  9. The Science of Human Sensory Measurements: Theoretical Principles and Industrial Applications

    https://fst.osu.edu/courses/fdscte-7560

    perception measurements in sensory evaluation with a focus on sensory discrimination testing. This course ...

  10. Cover Crops in the Garden

    https://ohioline.osu.edu/factsheet/hyg-5814

    benefits, results will vary depending on soil type and condition. Starting organic matter levels, tillage ... to introduce cover crops into their garden depending on their skill level and desired management ... level. This fact sheet provides basic, fact-based information that is not readily available to home ...

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