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  1. Soil Phosphorus and Crop Response to Phosphorus Fertilizer in Ohio

    https://ohioline.osu.edu/factsheet/anr-0146

    responding to applied P can best be predicted by soil-test P levels. Recently, Culman et al. (2023) published ... 29.9% of trials, soybean in 14.2% of trials, and wheat in 36.8% trials. Critical soil test levels ranged ... Furthermore, the risk of yield loss with no P application decreased as the soil P level increased. As per the ...

  2. Fertility Management of Meadows

    https://ohioline.osu.edu/factsheet/anr-5

    nutrition, forage test to check for adequate levels. When the soil pH is below 5.0, aluminum availability ... critical soil test level of 15-25 parts per million (ppm) phosphorus for Bray P1 test results or 28-40 ppm ... leaching. The critical soil test levels for potassium are 125-200 ppm. Plants have the ability to take up ...

  3. 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 ...

  4. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/agf-0515

    determined using field studies to correlate soil test levels to crop yield response. Ohio data was used to ... This framework strives to build soil test levels up to and beyond a critical level, and then maintain ... these levels over time. The critical level is a key component to this framework. Soil test levels above ...

  5. Managing Flies & Livestock Health As Summer Warms Up

    https://wayne.osu.edu/news/managing-flies-livestock-health-summer-warms

    produce 3 to 4 generations each year. Stable flies are believed to only spend between 2 to 5 minutes on an ... barns or trees.  Unlike the other species, females prefer to lay their eggs in soiled bedding, algal ... sanitation is a key control factor.  Timely removal of manure and soiled bedding is crucial to limiting ...

  6. It's Patio Grilling Season, And Here Are Tips To Ward Off The Germs

    https://wayne.osu.edu/news/its-patio-grilling-season-and-here-are-tips-ward-germs

    Germs are everywhere, in the air, soil, and water, and they grow faster during the summer because it’s ... cooking site.  Then if the food sits out after being cooked, the risk continues to increase.  Here are ...

  7. 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. ...

  8. Explore, Connect, Collab

    https://southcenters.osu.edu/about-us/explore-connect-collab

    crop diversification through research and extension involving specialty crops will be encouraged. Soil ... , Water, and Bioenergy Our Soil, Water, and Bioenergy program conducts applied research, develops ... soil health, conservation tillage, nutrient management, water quality, and bioenergy feedstocks. ...

  9. 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 ...

  10. 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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