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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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2025 Naturalist Series
Felger, Mahoning County Soil and Water-District Outreach & Education Specialist Wednesday, November ...
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Commercial New Applicator Training
https://pested.osu.edu/home/trainingopportunities/commercialnewapplicatortraining
sessions will review Ornamental Weed Control (Category 6c). Attendees will choose between Industrial ... help you prepare for the Commercial Pesticide Applicator test. To become licensed, you must apply for ... course. A representative from the ODA will be available on site. You must pass the core test and at least ...
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Morning with the Masters
https://mahoning.osu.edu/program-areas/master-gardener-volunteers/morning-masters
difference between a good garden and a great one! May 7th: Integrated Pest Management- David Sprague ...
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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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Soil Stories- Dr. Jim Ippolito, Professor at The Ohio State University
intimate linkages between soil macro- and micro-nutrients, trace and heavy metals, microbiological ... Dr. Jim Ippolito is a professor of environmental soil health. His 30+ year career has focused on ... improving environmental soil fertility/chemistry/microbiology/soil health within agricultural, shortgrass ...
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Kerry Ard
https://senr.osu.edu/our-people/kerry-ard
understanding the roots of environmental risks and their health consequences. Current evidence demonstrates that ... and Non-Chemical Stressor Exposures: Cumulative Health Impacts and Risk Trajectories in Vulnerable ...
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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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TWEL Ashlyn Halseth
https://senr.osu.edu/node/11601
levels of morbidity and mortality. Despite its impact, the disease dynamics and individual risk of ... Sarcoptes scabiei var canis, poses significant threats to wild canid populations, as it results in high ... prevalence than studies conducted in rural areas. There was no significant increase in diagnoses between male ...