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  1. 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 ...

  2. Interpreting Manure Sample Test Results

    https://ohioline.osu.edu/factsheet/anr-55

    per acre or 10 ppm, and a potassium soil test level of 50 pounds per acre or 25 ppm with a CEC of 20 ... determine the crop’s needs. The soil test will contain the current levels of nitrogen, phosphorus and ... with a yield goal of 180 bushels per acre and the field has a phosphorus soil test level of 20 pounds ...

  3. 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, ...

  4. Soil Carbon Sequestration—Fundamentals

    https://ohioline.osu.edu/factsheet/AEX-510

    accomplished by management systems that add high amounts of biomass to the soil, cause minimal soil ... with a longer and drier growing season. The soil organic matter content may decline, increasing risks ... breakdown of soil aggregates accelerates erosion. A soil with high organic matter is more productive than ...

  5. 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: ...

  6. What Are Your Top 5 Things To Do In Retirement

    https://wayne.osu.edu/news/what-are-your-top-5-things-do-retirement

    risk of heart disease and dementia and more than one in four retirees who relocate become isolated, ...

  7. Promising Practices and Benefits of 4-H Members Saying Thank You

    https://ohioline.osu.edu/factsheet/4h-0055

    educator who has obtained that level of education If you are writing a thank you to an organization, ... Written notes should be neatly handwritten on an unlined card or high-quality paper (Rivetto 2013). All ...

  8. Comparing Traditional Meat and Plant-Based Meat

    https://ohioline.osu.edu/factsheet/anr-0103-0

    a negative factor for traditional meat products, particularly for people with high cholesterol levels. Table ... absorbed more easily consist of higher cholesterol levels have a higher nutrient density due to the protein ... quantity and quality contain 50% saturated fatty acids are the only natural source of Vitamin B12 consist ...

  9. 2022 Ag Lender Seminar

    https://wayne.osu.edu/news/2022-ag-lender-seminar

    lenders and enhance the working relationship between OSU Extension and Ag Lenders. The agenda is based on ... evaluations from previous seminars, input from lenders and Agricultural Extension Educators on high priority ...

  10. College Algebra

    https://bjz.cfaes.ohio-state.edu/d7b/ati/courses/college-algebra

    Math Placement Level N, or ACT math subscore of 22 or higher that is less than 2 years old, or ... permission of department. Not open to students with credit for 1144, or for Math courses numbered 1150 (150 ...

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