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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. 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 ...

  3. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/AGF-514

    Soil test values may be reported in parts per million (ppm) or pounds per acre (lb/ac). To convert from ... ppm to lb/ac, multiply ppm by two. Phosphorus, potassium, calcium, and magnesium soil test values are ... 250–310 125–155 CEC=30 meq/100g 300–360 150–180 Calcium (Ca) 800–16,000 400–8,000 Levels less than 200 ppm ...

  4. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  5. Maple Syrup Grading

    https://agnr.osu.edu/events/maple-syrup-grading-0

    have your refractometer tested?  Bring it along as well. The workshop will start at 4pm and run until ...

  6. Ammonia Emission from Animal Feeding Operations and Its Impacts

    https://ohioline.osu.edu/factsheet/AEX-723.1

    50 ppm, increased levels of keratoconjuctivitis and tracheitis have been observed. These trachea and ... causes high ammonia levels inside animal production buildings, especially in winter months when the ... concentrations. People begin to detect odors at 5–50 ppm. Irritation to mucous surfaces occurs at 100–500 ppm ...

  7. Job Openings

    https://acel.osu.edu/about-us/job-openings

    historically underserved. Preferred areas of interest include, but are not limited to, risk and crisis ...

  8. Year-end Scarlet & Gray Advantage > 100,000

    https://deb.cfaes.ohio-state.edu/email/year-end-scarlet-gray-advantage-100000

    Scarlet & Gray Advantage will be matched by lead donors up $50 million. An undergraduate education ...

  9. ACEL Alumni Award Recipients Announced

    https://acel.osu.edu/email/acel-alumni-award-recipients-announced-0

    2021. She is an agricultural educator with Norwayne High School and has willingly hosted Ohio ... agriculture instructor at McClave High School in Colorado. Heading:  Bruce Zimmer Copy:  Bruce Zimmer ...

  10. ACEL Alumni Awards Recipients Announced

    https://acel.osu.edu/email/acel-alumni-awards-recipients-announced

    communication, education, and leadership in 2021. She is an agricultural educator with Norwayne High School and ... professor at Prudue University and a vocational agriculture instructor at McClave High School in Colorado. ...

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