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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. The Biology of Soil Compaction

    https://ohioline.osu.edu/factsheet/SAG-10

    flourishing bacteria populations that thrive on high oxygen levels in the soil and the release of nutrients in ... impact on bare soil and natural gravity combine to compact soils. Low organic matter levels make the soil ... binds microaggregates and macroaggregates in the soil. Low organic matter levels make the soil more ...

  3. Food Preservation: Pasteurization of Raw Milk for Home Consumption

    https://ohioline.osu.edu/factsheet/hyg-5817

    if it comes into contact with tainted water, soil, animals, or other contaminated sources. Outbreaks ... canner. Fill the canner with warm water until the water level is slightly above the milk level in the ... pasteurization of raw milk (SP 50-932). nifa.usda.gov/sites/default/files/resource/Milk-Pasteurization.pdf ...

  4. Ammonia Emission from Animal Feeding Operations and Its Impacts

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

    50 ppm, increased levels of keratoconjunctivitis 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 ...

  5. Controlling Undesirable Trees, Shrubs, and Vines in Your Woodland

    https://ohioline.osu.edu/factsheet/f-45

    a tree to interrupt the flow of sap between the roots and crown of the tree (Figure 1). The groove must ... 8 inches on very large-diameter trees. When a chainsaw is used to girdle, two horizontal cuts between 2–4 ... effective. Care must be taken when the herbicide is applied to minimize the amount that runs into the soil ...

  6. Forms and Resources

    https://mahoning.osu.edu/program-areas/4-h-youth-development/resources-active-4-h-volunteers

    nature of the 4-H program, we often focus on managing the multiple risks presented to our clubs, ... a variety of situations wherein risk may exist. Transportation Waiver  - To be used any time that volunteers ... which 4-Hers are participating and there is perceived risk, or if others are participating in an event ...

  7. Quality Assurance Test Out

    https://mahoning.osu.edu/program-areas/4-h-youth-development/quality-assurance-test-out-information/quality-assurance-test

    testing time. The test-out will be given at the Mahoning County Extension Office, 490 South Broad Street, ... Assurance Test Out Guidelines Youth ages 12-14 who pass the test can test out of their annual QA program for ... up to 3 years. The passing of this test only exempts attendance at QA until the member reaches a 4-H ...

  8. Saba secures grants for food waste conversion research

    https://fabe.osu.edu/news/saba-secures-grants-food-waste-conversion-research

    CAPPS is designed to foster partnerships between industry and universities for the mutual benefit of ...

  9. Anne E. Dorrance

    https://plantpath.osu.edu/our-people/anne-e-dorrance

    ML; Taylor, CG; McHale, LK; Dorrance, AE. 2016. High-Density Mapping of Resistance QTL Toward ... 50: 2476-2492. Acharya, B., Lee, S., Rouf Mian, M.A., Jun, T., McHale, L.K., Michel, A.P., and ... S, Freewalt KR, McHale LK, Song Q, Jun T-H, Michel AP, Dorrance AE, Mian MAR  "A high resolution ...

  10. 2025 Naturalist Series

    https://mahoning.osu.edu/program-areas/ohio-certified-volunteer-naturalist-program/2022-naturalist-series

    Felger, Mahoning County Soil and Water-District Outreach & Education Specialist Wednesday, November ...

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