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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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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 ...
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Better Process Control School
https://foodindustries.osu.edu/events/better-process-control-school-7
must be received by February 18 to receive a partial refund. There is a $50 cancellation fee ($150 ... high-speed internet connection Processor: 2 GHz Free Disk Space: 250 MB Free RAM: 2 Gb Resolution: 1024x768 ...
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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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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 ...
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Forms and Resources
https://mahoning.osu.edu/program-areas/4-h-youth-development/resources-active-4-h-volunteers
nature of the 4-H program, we often focus on managing the multiple risks presented to our clubs, ... a variety of situations wherein risk may exist. Transportation Waiver - To be used any time that volunteers ... which 4-Hers are participating and there is perceived risk, or if others are participating in an event ...
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Quality Assurance Test Out
testing time. The test-out will be given at the Mahoning County Extension Office, 490 South Broad Street, ... Assurance Test Out Guidelines Youth ages 12-14 who pass the test can test out of their annual QA program for ... up to 3 years. The passing of this test only exempts attendance at QA until the member reaches a 4-H ...
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Starter Success for Dairy Calves
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-6/starter-success-dairy-calves
as group housing can increase the risk of health issues among calves. With proper backgrounding and ...
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Footbath Practices for Lameness Prevention
5% due to risk of chemical burn. Formalin is not as effective at temperatures below 50° F, and open ... angle. These high walls ensure cattle are getting their feet in the treatment. One side should be ... Footbaths are effective for approximately 150 to 350 cow passes. Barns with automated manure removal and ...
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2025 Naturalist Series
Felger, Mahoning County Soil and Water-District Outreach & Education Specialist Wednesday, November ...