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  1. Fusarium Head Blight Forecasting System

    https://ohioline.osu.edu/factsheet/plpath-cer-03

    Red indicates high risk for scab exceeding 10% severity, yellow indicates moderate risk, while green ... indicates low risk. High scab risk is associated with high risk for grain contamination with vomitoxin, but ... reducing grain yield, test weight and grain quality. More importantly, F. graminearum produces mycotoxins, ...

  2. Lime and the Home Lawn

    https://ohioline.osu.edu/factsheet/hyg-4026

    between 6.0 and 7.0. The amount of lime required to raise soil pH to this level for a particular soil is ... performing a soil test are strongly discouraged because alkaline (high pH) conditions may develop. When Is ... and pH of 7.0 is considered neutral. For turfgrasses used in Ohio home lawns, a soil pH between 6.0 ...

  3. Wooster Science Cafe- The Science of Stream Health

    https://grad.cfaes.ohio-state.edu/events/wooster-science-cafe-science-stream-health

    between the public and scientists about contemporary topics. December 7, 2022 The Science of Stream Health ... Vaughn Anderson, Holmes County Health Department Robert Kastner, Wayne Soil and Water Conservation ...

  4. 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 ...

  5. Guidelines for Choosing a Soil Analytical Laboratory

    https://ohioline.osu.edu/factsheet/HYG-1133

    the test results will be of high quality, credible, and meaningful. In addition, any recommendations ... here to aid the grower in evaluating a soil analytical laboratory. Factors to Consider Test Me​thods ... region. This summary, entitled  Recommended Chemical Soil Test Procedures for the North Central Region, ...

  6. Feeding Horses

    https://ohioline.osu.edu/factsheet/anr-6

    (from forage analysis) 1.07 15.4 0.94 0.41 Pelleted Grain (from feed tag) 1.50 12.0 0.75 0.85 ... we need to substitute grain for hay to raise the energy. 1.50 Mcal/lb DE of grain – 1.07 Mcal/lb DE ... source of sulfur. Excessively high levels of sulfur depress copper absorption. Sulfur is also found in ...

  7. 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: ...

  8. The Importance of Internships

    https://grad.cfaes.ohio-state.edu/events/importance-internships

    time, Tracy enjoys gardening, cooking with her husband, and going on long walks with their high ... emission testing capabilities using thermal desorption gas chromatography mass spectrometry. Pelumi is now ...

  9. Fusarium Head Blight or Head Scab of Wheat, Barley and other Small Grain Crops

    https://ohioline.osu.edu/factsheet/plpath-cer-06

    50% or more of the spikelets may become damages. Scab also causes floret sterility, poor test weights ... accumulate at high levels in the harvested grain and may cause vomiting and feed refusal if scabby grain is ... Levels of vomitoxin exceeding 1 ppm and 5 ppm (parts per million) are unfit for human and livestock ...

  10. Effects of Lime and Gypsum Application on Vegetable Yields and Nutrient Availability in Muck Soil

    https://ohioline.osu.edu/factsheet/anr-0102

    to keep organic soils at a target pH of 5.3 to minimize the risk of micronutrient deficiencies ... state that the optimal pH range of muck soils should be between 5.3 and 5.8, depending on the crop ... The application of lime had no effect on soil test phosphorus (P) or potassium (K) values, but the ...

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