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  1. 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. ...

  2. Potassium Uptake and Ohio Crop Response

    https://ohioline.osu.edu/factsheet/anr-0147

    a measure of the risk of yield loss at a given soil-test K level without fertilizer applied during the ... total K content of Ohio soils is between 12,500 ppm and 30,500 ppm (Ames & Gaither, 1913). Even ... yield. For loams and clays, this would be 170 ppm; for sandy soils, it is 130 ppm. The range of soil test ...

  3. 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 ...

  4. Cloudy waters causes African fish to develop bigger eyes

    https://senr.osu.edu/news/cloudy-waters-causes-african-fish-develop-bigger-eyes

    sizes between young and old fish. Originally, the team expected to find that fish reared in murky water ... destruction and murkiness in rivers and lakes. When trees are cut down, the stability of the nearby soil is ... a storm, all of that soil, sediment and vegetation that was held in place by trees isn’t held in place ...

  5. 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 ...

  6. 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 ...

  7. New online database a "FRST" in fertilizer knowledge sharing

    https://senr.osu.edu/news/new-online-database-frst-fertilizer-knowledge-sharing

    interpretation of soil test phosphorus and potassium values for crop fertilization from across the U.S. ... the pressing need to harmonize soil testing across state boundaries. It represents an improvement in ... our ability to evaluate soil test correlation.” In addition to Rakkar and Deiss, other team members ...

  8. Soils and Soil Health

    https://ohioline.osu.edu/factsheet/anr-0136

    nutrients air—2%–50% of soil volume oxygen, carbon dioxide, nitrogen occupies same spaces between soil ... bad, or mid-level soil test results to compare against. The Ohio State University has conducted a vast ... nutrients—aka “potential for productivity” water—2%–50% of soil volume water-holding capacity is directly ...

  9. Financial Maturity: A Guide to Increasing Financial Returns From Your Woodland

    https://ohioline.osu.edu/factsheet/f-48

    from other trees, health and vigor, non-timber value (e.g., wildlife, aesthetics, etc.), risk of loss ... silver maples, for example, often approach biological maturity well before they are 150 years old, while ... value increase falls below a desired level. The rate of value increase of a tree can be determined by ...

  10. The Organic Certification Process for Farms

    https://ohioline.osu.edu/factsheet/sag-0003

    sustainable production methods. However, organic certification is the most highly regulated food production ... biodiversity, and soil health. Organic farms do not use synthetic chemical inputs such as mineral fertilizers, ... horticultural crops. Soil health and fertility are addressed with natural sources of organic matter and soil ...

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