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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. HPAI in Dairy Cattle: Learn More

    https://dairy.osu.edu/resources/hpai-avian-influenza-dairy-cattle/learn-more

    a high-level view of the federal order regarding testing and reporting of HPAI in dairy cattle. Where is this ... risks, implement biosecurity, testing, etc. is described in the factsheet by USDA and the Department of ... Highly Pathogenic Avian Influenza in Cattle: IS preventable and well-managed with strong ...

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

    https://cfaes.osu.edu/news/articles/new-online-database-frst-in-fertilizer-knowledge-sharing

    unbiased, science-based interpretation of soil test phosphorus and potassium values for crop fertilization ... FRST was developed in response to 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 ...

  4. Graduate Exit Seminar- Peter Renz

    https://senr.osu.edu/events/graduate-exit-seminar-peter-renz

    333C or  via Zoom. Peter will present, "Development of a Novel Biochemical Soil Health Indicator ... that is based on a Multivariate Soybean Yield Prediction Model." Abstract:  Soil Health (SH) ... problems much sooner. Unfortunately, recent publications showed that the existing SH tests were limited in ...

  5. 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 ...

  6. 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 ...

  7. Spring Forage Establishment

    https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-2/spring-forage-establishment

    Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium, the optimal range is 100-130 ppm for sandy soils with a cation exchange capacity (CEC) less than ...

  8. HPAI: Avian Influenza in Dairy Cattle

    https://dairy.osu.edu/resources/hpai-avian-influenza-dairy-cattle

    industry, causing high levels of mortality. However, this does not seem to be the case in dairy cattle where ... identification of Highly Pathogenic Avian Influenza (HPAI) in dairy cattle located in Texas and Kansas. They have ... birds. The highly pathogenic classification is based on the severity of the disease in poultry, but it is ...

  9. 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. ...

  10. Warning: Cicadas can be a tasty treat, but they can be hazardous to those allergic to seafood

    https://cfaes.osu.edu/news/articles/warning-cicadas-can-be-tasty-treat-they-can-be-hazardous-those-allergic-seafood

    soil and burrow underground, feeding on tree roots. Some 13 or 17 years later when they’re ready, the ... nymphs emerge from the soil, shed their skin, expand their wings, and harden and pigment their new ... important to cook any insect collected in the wild and avoid eating it raw. “While there is little risk of ...

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