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Respiratory Diseases
https://ohioline.osu.edu/factsheet/aex-591105
fatality rate has been as high as 29%. Exposure to low concentrations of 15 to 20 ppm are considered ... exposure during the first three weeks after filling the silo has the greatest risk. Symptoms of silo ... days. This is normally followed by a full recovery. The second scenario may be the disease developing in ...
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Yellowjackets
https://ohioline.osu.edu/factsheet/HYG-2075-11
step, as yellowjackets nests may be at ground level, especially in high grassy areas, and around mulched ... loose bark of dead trees, soil cavities, and other protected places. These queens emerge during the warm ... late September. Adults feed primarily on items high in sugars and carbohydrates (fruits, flower nectar, ...
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Using Local Woodlot Lumber
https://ohioline.osu.edu/factsheet/F-9-03
freedom from splitting, medium decay resistance, ease to work. Fence Posts High decay resistance and ... high nail holding, medium weight, and free of compression failures and cross grain. Shelving Good ... between wood species can vary greatly due to the internal structure of each tree. These include size of ...
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Global Climate Change: Update 2020
https://ohioline.osu.edu/factsheet/cdfs-203
at between 280 and 300 parts per million (PPM). The data also show that during our present ... episode that is currently ongoing. The duration of these cold periods tends to be between 20 and 40 ... between 10,000 and 20,000 years ago. This temperature data is presented in Figure 3. This graph shows that ...
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Phytophthora Damping-off and Root Rot of Soybean
https://ohioline.osu.edu/factsheet/plpath-soy-04
planting, high incidence of seedling damping-off can result in yield losses greater than 50 percent in ... soils with high clay content. Traditionally, the northwest section of the state has had severe problems ... of P. sojae have been detected in Ohio soils, with as many as 50 from a single field. The tremendous ...
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Physical Properties of Granular Fertilizers and Impact on Spreading
https://ohioline.osu.edu/factsheet/fabe-5501
equates to a SGN = 150. Using sieves, once can interpret a SGN of 150 as 50% of particles were retained on ... increases, leading to high risk of product segregation during spreading. Table 1 provides the following SGN ... percentile level, respectively, for a sample d 50 = the median diameter for a sample UI (uniformity ...
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Forage as Vegetative Cover for Utility-Scale Solar in Ohio
https://ohioline.osu.edu/factsheet/cdfs-4106
soil temperatures reach 45–50 degrees Fahrenheit, typically during April and May in Ohio. Cool-season ... Barker, and Tilmon 2017). Complete all soil tests and adjustments prior to seed selection and planting. ... growing season. Soil tests should be taken every three years and fertilizer applications should be ...
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Shock Chlorination of Wells
https://ohioline.osu.edu/factsheet/aex-318
about well testing and water treatment, check the website for the Ohio State University Soil Environment ... (High-test Hypochlorite) Needed to Shock Chlorinate a Well of Different Depths and Diameters Water Depth in ... ½ pound 50-- 1/3 pound ½ pound ¾ pound 100- 1/3 pound ¾ pound 1 pound 1½ pounds 150 ¼ pound ½ pound ...
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A Guide to Corn Growth and Development
https://ohioline.osu.edu/factsheet/anr-0148
maturity). Vegetative and reproductive stages of development are determined when 50% or more of the plants ... coleoptile emerges through the soil surface (Figure 2). The root system consists of the radicle (with branch ... roots) and seminal roots. The number of calendar days between planting and emergence varies and is ...
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Pigweed Identification Guide
https://ohioline.osu.edu/factsheet/anr-0077
distributed hair on the stem and a more highly branched flower. Pigweed species inhabit agronomic crop fields, ... are between 2 and 3 inches in height, and many herbicide labels require control by 4–6 inches in ... distinguishing between these species (Figures 1 and 2). Reproductive Stages and Life Cycles Reproductive ...