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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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Developing Phosphorus and Potassium Recommendations for Field Crops
https://ohioline.osu.edu/factsheet/AGF-515
+ (0.05 x CEC))] + (YP x CR) + 20 CL is the critical level (100 ppm at a CEC of 10), STL is the soil test ... test results are based on soil calibration studies that correlate soil test levels to crop yield ... crop (buildup stage). Once soil test values reach the critical soil test level, a maintenance approach ...
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Sudden Death Syndrome of Soybean
https://ohioline.osu.edu/factsheet/AC-44
with SDS have been highly variable depending on the timing and severity of the initial infection, ... subsequent weather conditions, the timing of defoliation, and the level of soybean cyst nematode (SCN) ... Small yellow spots appear between the leaf veins on the topmost leaves of the soybean plant. The small ...
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Fall Strip Tillage Systems: An Introduction
https://ohioline.osu.edu/factsheet/aex-507
4 inches high, which improves soil drainage and warming. By spring, it usually settles down to 1 to ... alternative to plowing. Benefits of strip tillage soil conservation –undisturbed residue between corn rows ... the field should be flat. It is important not to apply nitrogen in the fall to soils above 50°F as ...
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Controlling Non-Native Invasive Plants in Ohio's Forests: Autumn Olive and Russian Olive
https://ohioline.osu.edu/factsheet/F-69-11
a wide variety of sites including nutrient- poor soils. They are among the first plants to leaf out in ... forests or wet soils. Identification The most prominent characteristic of both species is the silvery ... viable in the soil for approximately three years. Twigs Silvery or golden brown, scaly when young, often ...
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Soil Carbon Sequestration—Fundamentals
https://ohioline.osu.edu/factsheet/AEX-510
accomplished by management systems that add high amounts of biomass to the soil, cause minimal soil ... with a longer and drier growing season. The soil organic matter content may decline, increasing risks ... breakdown of soil aggregates accelerates erosion. A soil with high organic matter is more productive than ...
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Manure and Compost: Nitrogen Availability in Organic Production
https://ohioline.osu.edu/factsheet/anr-34
prevent excessive soil nutrient levels. Volatilization Losses Immediate incorporation or injection of ... Incorporation Bare Soil 40 50 75 90 No Incorporation Standing Crop 20 25 40 50 1 day Bare Soil 10 15 25 50 2 day ... Manure and compost nitrogen content and availability can vary greatly between species of animals that ...
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Cover Crops in the Garden
https://ohioline.osu.edu/factsheet/hyg-5814
benefits, results will vary depending on soil type and condition. Starting organic matter levels, tillage ... to introduce cover crops into their garden depending on their skill level and desired management ... level. This fact sheet provides basic, fact-based information that is not readily available to home ...
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Western Ohio Cropland Values and Cash Rents 2017-18
https://ohioline.osu.edu/factsheet/aede-17-18
land with highly productive soils. Average land will typically be the majority of land in a given ... quality soils translate into higher rents. Fertility Levels: Higher fertility levels often result in ... variability of those crop returns. Soils and drainage capabilities are the two factors that most influence ...
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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 ...