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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. Project Completion & Requirements

    https://brown.osu.edu/program-areas/4-h-youth-development/project-completion-and-fair-requirements

    Action 215- Cavy Project & Record Book 216- Purr-fect Pals, Level 1 217- Climbing Up! Level 2 218- ... Leaping Forward, Level 3 220- Pocket Pets Project & Record Book 228- Rabbits (Breeding, Market) 228- ... History Treasure Hunt Photography 584- Photography Basics, Book 1 585- Next Level Photography, Book 2 586- ...

  3. 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 ...

  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. 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 ...

  6. Scholarships

    https://brown.osu.edu/program-areas/4-h-youth-development/4-h-youth-opportunites/scholarships

    scholarships to high school seniors who will graduate during the 2024/2025 school year or a previous 4-H or FFA ... Fayetteville High School Agricultural Classroom (this will be the only date for interviews). Applicants chosen ... Scholarship-  The Brown County Cattlemen's Association is awarding three $500 scholarships to high school ...

  7. 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 ...

  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. 2025 Tag-Ins & Judging Dates

    https://brown.osu.edu/program-areas/4-h-youth-development/tag-ins-judging-dates-camp-schedule-2015

    weigh- in August 23, 2025    10:00 a.m. – 11:00 a.m. Location: Georgetown High School FFA Area   4- ...          Time: 9:00 a.m.- 10:00 a.m. Location: Georgetown High School FFA Area For all these animals All ...

  10. Soil Sampling to Develop Nutrient Recommendations

    https://ohioline.osu.edu/factsheet/AGF-513

    over the entire field, changes in soil test levels in two areas over a 10-year period are shown. Table ... 1 ppm 20 8 2 20 8 2 20 8 2 Expected ppm change in soil test over 10 years 3 0 0 +5 +10-6-11 1 Crop ... to change soil test 1 ppm is 6–10 depending on cation exchange capacity. 3 Example calculation: ...

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