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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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Shiitake Mushroom Production: Troubleshooting
https://ohioline.osu.edu/factsheet/f-0105
that are not freshly cut. The more time logs sit prior to inoculation, the greater the risk of ... See fact sheet F-50 Crop Tree Management: A Tool to Help You Achieve Your Woodland Goals for more ... following pinning are dry or when humidity and temperature fluctuations occur between day and night. Growers ...
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Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values
https://ohioline.osu.edu/factsheet/anr-75
Bray P. When only soil test values in the agronomic range were considered (less than 50 ppm Bray P), ... relationships between Mehlich-3, Bray P, and Ammonium Acetate soil test extractants in the Tri-State Region. ... 3–1170 ppm, and Mehlich-3 K values ranged from 25–899 ppm. We examined relationships with all soil test ...
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Shiitake Mushroom Production: Steps to Cultivation and Considerations for Production
https://ohioline.osu.edu/factsheet/f-0039
variations between strains as high as 65-fold. For most individuals, growing shiitake mushrooms will be ... over $27 million from 2021 to 2022, which is up $3 million from 2019 to 2020. These mushrooms are high ... from inexpensive homemade products to high-tech equipment that costs thousands of dollars. However, ...
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Grapevine Nutrient Management: Petiole Sampling and Analysis
https://ohioline.osu.edu/factsheet/hyg-1438
availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...
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Interpreting Manure Sample Test Results
https://ohioline.osu.edu/factsheet/anr-55
per acre or 10 ppm, and a potassium soil test level of 50 pounds per acre or 25 ppm with a CEC of 20 ... determine the crop’s needs. The soil test will contain the current levels of nitrogen, phosphorus and ... with a yield goal of 180 bushels per acre and the field has a phosphorus soil test level of 20 pounds ...
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Statistics and Agricultural Research
https://ohioline.osu.edu/factsheet/anr-40
between the two treatments may have occurred by chance alone. Scenario 2: At harvest the yield levels of ... level differences, insect pressure, disease pressure, natural variation in soil productivity, etc.). ... at two different scenarios based on the harvest information. Scenario 1: At harvest the yield levels ...
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Cereal Rye as a Cover Crop in Ohio
https://ohioline.osu.edu/factsheet/anr-0114
ector-tool/. Identification Blue-green leaves Hairs on leaf sheath, unlike wheat Small- to medium ... establishment window: July 2–Nov. 1 Upright growth habit: 3–6 feet Preferred soil pH: 5.0–7.0 Table 1. Rating ... dependable than drilling or broadcasting with incorporation. Use a low seeding rate for areas with sandy soil ...
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Use of Forage Chicory in a Small Ruminant Parasite Control Program
https://ohioline.osu.edu/factsheet/VME-31
moderately drained soils with medium to high fertility provide conditions for optimal growth. Both spring ... recommends that soil pH be maintained above 5.5 for best results. Critical levels of soil phosphorus and ... totaling between 100 and 150 lbs of actual nitrogen/acre annually to achieve maximum yields of dry matter ...
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Chlorinated Water Sanitation of Leafy Green Vegetables For Fresh Produce Processors
https://ohioline.osu.edu/factsheet/aex-262
sources to produce 200 ppm chlorinated water. Chlorine gas, stored in high-pressure vessels, can be ... 6.5. In large operations, where high levels of organic material and debris are present on the produce, ... granulated powder 65 or 68% free active chlorine high capital, high operation hazardous due to higher percent ...