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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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Production of Specialty Small Grains in Ohio
https://ohioline.osu.edu/factsheet/anr-0154
maintain soil test levels appropriate for winter wheat production. Table 2 (click to download PDF). ... For example, hard red winter wheat should have a medium to high protein content of 10% to 13% (U.S. ... States, wheat is divided into six classes based on bran color (red or white), protein content (hard = high ...
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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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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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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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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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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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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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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 ...
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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: ...