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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 ...
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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 ...
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Norovirus: A Different Type of Foodborne Illness
https://ohioline.osu.edu/factsheet/HYG-5569
Symptoms develop 12–48 hours after being exposed to norovirus and generally last between one and three ... and the number of cases that are not caused by contaminated food. Risk Factors Anyone can get ... contaminated. Someone who touches those surfaces and then handles food is at risk of contaminating the food or ...
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Graduate Student Awards and Recognition
https://fst.osu.edu/graduate/graduate-student-awards-and-recognition
Program. The award is given to a student with a high caliber of leadership experience in addition to ... success in publishing high quality research in a timely manner. 2025- Dan Zhang 2025- Shreya Nuguri 2024- ...
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Food Preservation: Basics for Canning Vegetables
https://ohioline.osu.edu/factsheet/HYG-5344
methods can pose serious health risks. Understanding Clostridium botulinum Pressure canning is the only ... (USDA) endorsed recommendations present a risk of botulism. Even a taste of food containing this toxin ... processing. Add boiling water to the jars, leaving the headspace recommended in Table 2 between the jar rim ...
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Growing Aronia (Aronia melanocarpa) in Ohio
https://ohioline.osu.edu/factsheet/anr-0157
it contains high levels of antioxidants. Studies have shown Aronia fruits to have protective benefits ... high tannin levels. The fruit is more palatable when used in processed foods. Aronia has been used in ... many states in between. Iowa is currently the leading state in Aronia production in terms of acreage ...
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Fertilizer and Manure Regulations in the Lake Erie Western Basin Watershed
https://ohioline.osu.edu/factsheet/anr-0156
fertilizers containing nitrogen (N) and phosphorus (P) in the Western Lake Erie Basin under certain soil and ... snow-covered or frozen soil when the top 2 inches of soil are saturated from precipitation in granular form, ... and when the local weather forecast has a greater than 50% chance of precipitation exceeding 1 inch in ...
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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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Soil Testing for Ohio Lawns, Landscapes, Fruit Crops, and Vegetable Gardens
https://ohioline.osu.edu/factsheet/hyg-1132
soil test will provide information on soil pH, cation exchange capacity (CEC), lime requirement index ... Natural Resources Soil tests provide more helpful information on soils than any other resource. It is an ... vegetable gardens and fruit crops. Soil test results pinpoint plant nutrient needs and soil test lab ...
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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 ...