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Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage
https://ohioline.osu.edu/factsheet/AC-52
screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... (DON), also called vomitoxin. As a result, high levels of Gibberella ear rot severity and moldy grain are ... usually accompanied by high levels of vomitoxin. Mycotoxins are harmful to both humans and animals. ...
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Student Spotlight: Sarah Hoak
https://hcs.osu.edu/news/student-spotlight-sarah-hoak
addition to being highly engaged in the classroom, Sarah's also actively involved in a wide array of ... student clubs and is especially passionate about Crops and Soils Club. Sarah let us know why she choose ... the Sustainable Agriculture program here at Ohio State and why Crops and Soils Club is one of her ...
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Fertility Management of Meadows
https://ohioline.osu.edu/factsheet/anr-5
nutrition, forage test to check for adequate levels. When the soil pH is below 5.0, aluminum availability ... critical soil test level of 15-25 parts per million (ppm) phosphorus for Bray P1 test results or 28-40 ppm ... leaching. The critical soil test levels for potassium are 125-200 ppm. Plants have the ability to take up ...
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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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Ohio Commercial Pesticide Recertification Conference- Akron- January 16, 2025
a refund after missing a conference to transfer your registration. Transferring can be done between 2025 Ohio ...
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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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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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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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PhD Program
https://hcs.osu.edu/phd-requirements
candidacy examination is a test of the student’s comprehension of the field, allied areas of study, their ... commencement) in which graduation is expected Completion of a minimum of 80 graduate credit hours, at least 50 ... between graduate students and the departmental administration. How many credits should I take? ...