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  1. Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage

    https://ohioline.osu.edu/factsheet/AC-52

    screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... (DON), also called vomitoxin. As a result, high levels of Gibberella ear rot severity and moldy grain are ... usually accompanied by high levels of vomitoxin. Mycotoxins are harmful to both humans and animals. ...

  2. Cross and Drewry publish article on remote diagnosis of wheat stripe rust progression

    https://fabe.osu.edu/news/cross-and-drewry-publish-article-remote-diagnosis-wheat-stripe-rust-progression

    high-throughput classification of WSR severity.  Utilizing random forest models based on leaf-level and ... canopy-level hyperspectral data, researchers achieved classification accuracies of 45-52%, which improved to ... 79-96% with off-by-one scoring. The canopy-level model outperformed the leaf-level models, highlighting ...

  3. Fertility Management of Meadows

    https://ohioline.osu.edu/factsheet/anr-5

    nutrition, forage test to check for adequate levels. When the soil pH is below 5.0, aluminum availability ... critical soil test level of 15-25 parts per million (ppm) phosphorus for Bray P1 test results or 28-40 ppm ... leaching. The critical soil test levels for potassium are 125-200 ppm. Plants have the ability to take up ...

  4. Controlling Non-native Invasive Plants in Ohio’s Forests: Kudzu (Pueraria lobata)

    https://ohioline.osu.edu/factsheet/anr-0158

    spray mixture varies between applicators, but 40–80 gallons per acre is a consistent recommendation, ...

  5. Prochaska supports water access project in Tanzania, uses scholarship to aid funding

    https://fabe.osu.edu/news/prochaska-supports-water-access-project-tanzania-uses-scholarship-aid-funding

    get it to the level of implementation," he said. "The projects we're working on are ...

  6. 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 ...

  7. Pesticide Use in Schools

    https://ohioline.osu.edu/factsheet/anr-0155

    reduce the risk of exposing children and staff to pesticides. Only structural pest applications are ... Potential Certain pesticide product applications have a lower potential risk of exposure because of the ...

  8. Sustainable Economy: Concepts and Methods

    https://aede.osu.edu/courses/aedecon-4330-0

    upper-level course in sustainability concepts and methods developed specifically for the EEDS major. Based on ...

  9. Response of Soils and Crops to Gypsum Application in Ohio

    https://ohioline.osu.edu/factsheet/anr-0153

    improved organic matter levels. Gypsum as a source of calcium (Ca) for soil balancing: The quantity of one ... ANR-0153 Agriculture and Natural Resources 07/26/2024 Manbir Rakkar, Soil Fertility ... soil balancing of base cations and as a soil amendment to improve soil tilth and health (Chen and Dick, ...

  10. Forage Testing for Beef Cattle

    https://ohioline.osu.edu/factsheet/anr-0149

    0.12% Mg. High soil potassium levels are associated with increased incidence of grass tetany. The ratio ... (ppm). If the forage contains a high level of molybdenum (2 ppm) or sulfur at 0.25%, Cu could be ... samples are low in Zn. The recommended levels for zinc are between 30 and 1,000 parts per million (ppm ...

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