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  1. Herbicide Injury and the Problem of Spray Drift

    https://ohioline.osu.edu/factsheet/anr-0137

    but it has a high degree of uptake from the soil and is very persistent. Grape injury has been ... vineyard. Injury, however, may occur if the spray rate is too high when these herbicides are applied to soil ... may provide an acceptable level of weed control while minimizing the risk of severe grape injury as ...

  2. Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage

    https://ohioline.osu.edu/factsheet/plpath-cer-04

    steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5ppm) or within a given ... (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. ...

  3. Nutrient Management of Forage Crops Intended for Hay

    https://ohioline.osu.edu/factsheet/anr-0109

    is to maintain soil test P and K between the “critical level” (minimum) and “maintenance limit” ... level before planting. The estimated amount of P 2 O 5 required to raise a soil test 1 PPM is 20 pounds ... For example, if a soil test is 100 PPM and the goal is to increase the soil test to a critical level ...

  4. Central Ohio Water Manager

    https://epn.osu.edu/jobs/954

    exceptional career opportunity for a highly motivated, capable individual interested in joining the world’s ...

  5. Corn, Soybean, and Alfalfa Yield Responses to Micronutrient Fertilization in Ohio

    https://ohioline.osu.edu/factsheet/agf-519

    Micronutrient Deficiencies May Occur. Micronutrient Soil Crop Boron (B) Sandy soils or highly weathered soils ... Alfalfa. Diagnosing Micronutrient Deficiencies There is a large degree of uncertainty in using soil tests ... for monitoring soil micronutrient levels, as crop micronutrient availability is determined by complex ...

  6. Corn Growing Degree Days: A Method of Maturity Rating For Hybrids

    https://ohioline.osu.edu/factsheet/agf-101

    different scenarios; it provides county-level estimates based on historical GDDs accumulation, planting ... calculated in several ways, the most used method is to subtract 50 degrees Fahrenheit from the mean daily ... temperature. This method of calculating GDD is often called the “86/50 corn system.” This GDD calculation ...

  7. 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 ...

  8. Produce Safety and Flooded Fields

    https://ohioline.osu.edu/factsheet/anr-27

    is considered a high risk to produce safety and quality. There are two types of water events that ... the floodwaters crest and recede. Considered high risk. Pooling: Standing water. Occurs after rain or ... considered high risk to produce safety. The bottom line: Floods adulterate produce. Under FDA guidance, ...

  9. FSPCA- Preventive Controls for Human Food Training

    https://foodindustries.osu.edu/events/fspca-preventive-controls-human-food-training-7

    to comply with the Hazard Analysis and Risk-based Preventive Controls for Human Foods rule. This ... Compliance The Current Good Manufacturing Practice, Hazard Analysis, and Risk-based Preventive Controls for ... application of risk-based preventive controls”. This course developed by the FSPCA is the “standardized ...

  10. Global Climate Change: Update 2020

    https://ohioline.osu.edu/factsheet/cdfs-203

    at between 280 and 300 parts per million (PPM). The data also show that during our present ... episode that is currently ongoing. The duration of these cold periods tends to be between 20 and 40 ... between 10,000 and 20,000 years ago. This temperature data is presented in Figure 3. This graph shows that ...

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