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Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation
https://ohioline.osu.edu/factsheet/anr-81
example of typical soil test levels in Ohio (in ppm). We can calculate the collective charge each cation ... by the soil test levels. For calcium, a soil test level of 2000 ppm, divided by 200 equals 10.0 ... (ppm) to meq/100 g soil for base and acid cations to determine CEC. Base Cation Soil test level (ppm ...
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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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Understanding Alzheimer's & Dementia
https://franklin.osu.edu/events/understanding-alzheimers-dementia
Join Jenny Lobb, Family and Consumer Sciences Educator, to learn the difference between ... Alzheimer’s and dementia, stages of the disease, risk factors, research, and treatments relating to these ...
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Food Preservation: Basics for Canning Fruit
https://ohioline.osu.edu/factsheet/hyg-5343
they contain high enough acid levels to prevent the growth of Clostridium botulinum spores and the ... production of botulism toxin. Additionally, when properly canned fruits are heated long enough at high enough ... Check Table 2 for the correct amount of headspace to leave between the top of the fruit and the jar lid. ...
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Ohio Plant Diagnostic Clinic
https://ati.osu.edu/august-7-2024/ohio-plant-diagnostic-clinic
Diagnostic Workshop Speakers: Joe Boggs, Eric Draper, Jim Chatfield, Paul Snyder Put your skills to the test ... real-world scenarios. Extended time will be spend going over the samples. We haven’t had enough time in the ... Education Center Cost: $50 ISA and ODA credits are available Don't miss out on this incredible ...
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Effects of Lime and Gypsum Application on Vegetable Yields and Nutrient Availability in Muck Soil
https://ohioline.osu.edu/factsheet/anr-0102
to keep organic soils at a target pH of 5.3 to minimize the risk of micronutrient deficiencies ... state that the optimal pH range of muck soils should be between 5.3 and 5.8, depending on the crop ... The application of lime had no effect on soil test phosphorus (P) or potassium (K) values, but the ...
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NSF-funded center to drive development of US natural rubber industry
https://fabe.osu.edu/news/nsf-funded-center-drive-development-us-natural-rubber-industry
creating bridges between engineering, biology and agriculture, to revolutionize alternative natural rubber ... imports.” Disease and high demand threaten the tropical rubber tree Hevea brasiliensis, the world’s primary ... natural rubber source. In 2019, 10% of the natural rubber supply was lost to disease – and the risk for ...
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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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Ohio Soil Health Week
https://soilhealth.osu.edu/events/ohio-soil-health-week
Ohio Soil Health Week provides a time and space to celebrate, honor, and protect Ohio's ... soils. This weeklong celebration includes outreach, education opportunities, and events to raise ... awareness around Ohio's most valuable natural resource: our soil. ...
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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 ...