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  1. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/agf-0514

    suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...

  2. The Gastrointestinal Tract of the Horse

    https://ohioline.osu.edu/factsheet/1022

    in fat digestion. Amazingly, horses can digest and absorb relatively high levels of fat in their ... (target 2 g/kg BW) Kg Lb Traditional sweet or pelleted feeds “high starch” 50–65 < 1.5–2 < 3.3–4.4 ... Once swallowed, the food passes through the pharynx—a short, funnel-shaped, muscular tube between the ...

  3. 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 ...

  4. 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 ...

  5. Biopesticide Controls of Plant Diseases: Resources and Products for Organic Farmers in Ohio

    https://ohioline.osu.edu/factsheet/SAG-18

    application of some biopesticides may require a high level of understanding and knowledge of the diseases and ... published in the Plant Disease Management Reports and Biological Control Tests Database between 2000 and ... and/or enhance their abilities to grow and market high-quality produce. Approved organic products for ...

  6. Best Practices for Effective Spraying in Orchards and Vineyards

    https://ohioline.osu.edu/factsheet/fabe-539

    high winds, high temperatures, and low relative humidity increases the risk of spray drift. If weather ... level of skill and knowledge than all other operations required to grow crops. This is especially the ... the required gallonage (gal/acre) to the nozzles. Ensure that hoses and fittings between the pump and ...

  7. Shiitake Mushroom Production: Logs and Laying Yards

    https://ohioline.osu.edu/factsheet/f-0041

    a high, open, windy, sunny hilltop, the drying rate of logs might necessitate regular and frequent ... replenishment because of drying or water consumption by spawn growth. High A-Frame Stacking (also known as ... (efficient use of space) and high ventilation, it has limited use for most growers during the spawn run. It ...

  8. Testing Private Water Sources and Resolving Contamination Issues near Shale Oil and Gas Development

    https://ohioline.osu.edu/factsheet/SOGD-ENV1

    recommended. The treatment equipment required to remove high levels of dissolved salts and organic compounds is ... chemicals could contaminate private water supplies. Proper water tests are valuable tools for addressing ... concerns about contamination. If a water test reveals potential contamination, a landowner can take steps ...

  9. Selecting, Storing, and Serving Ohio Pears

    https://ohioline.osu.edu/factsheet/HYG-5526

    below are approximations. 1 bushel = approximately 50 pounds  1 pound = 2 or 3 medium-sized pears ... color. For these varieties, use the Check-the-Neck test, where gentle thumb pressure is applied near the ... A medium-sized pear (3½ ounce) provides about 100 calories and 6 grams of fiber. Pears contain potassium, copper, ...

  10. Elderberry Production in Ohio

    https://ohioline.osu.edu/factsheet/anr-0110

    Ensure ideal soil condition and fertility. Ideal nutrient conditions are a pH level of 5.5–6.5, 50 ... conditions for elderberries (pH level of 5.5–6.5, 50 lb/acre (25 ppm) of phosphorus, and 200–300 lb/acre ... lb/acre (25 ppm) of phosphorus, and 200–300 lb/acre (100–150 ppm) (Byers et al. 2012) as reported on ...

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