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  1. Drones for Spraying Pesticides—Opportunities and Challenges

    https://ohioline.osu.edu/factsheet/fabe-540

    likely to cause a significant level of soil compaction resulting in reduced crop yield. Spot spraying, ... spraying and the high level of public demand for relaxation of current rules and regulations. Universities, ... a number of important data points: soil characteristics (type, moisture content, and nutrient content) ...

  2. Soil Terminology and Definitions

    https://ohioline.osu.edu/factsheet/SAG-19

    of soil antecedent biological activity. A high BR generally indicates higher soil microbial activity, ... accumulation in the soil. This index can be used as an early and sensitive indicator of carbon or soil organic ... and macropores leading to soil compaction and decreased soil organic matter levels. Soil compaction ...

  3. New Pesticide Applicator Training- August 16, 2023

    https://pested.osu.edu/events/new-pesticide-applicator-training-august-16-2023

    (Category 6c). Attendees will choose between Industrial Vegetation (Category 5) and Turf (Category 8). ... Testing is available at the conclusion of the day.  A photo ID is required for the test. Program Brochure ... Applicator test. To become licensed, you must apply for your license with the Ohio Department of Agriculture. ...

  4. 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 ...

  5. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/AGF-515

    + (0.05 x CEC))] + (YP x CR) + 20 CL is the critical level (100 ppm at a CEC of 10), STL is the soil test ... test results are based on soil calibration studies that correlate soil test levels to crop yield ... crop (buildup stage). Once soil test values reach the critical soil test level, a maintenance approach ...

  6. New Pesticide Applicator Training- May 10, 2023

    https://pested.osu.edu/events/new-pesticide-applicator-training-may-10-2023

    (Category 6c). Attendees will choose between Industrial Vegetation (Category 5) and Turf (Category 8). ... Testing is available at the conclusion of the day.  A photo ID is required for the test. Program Brochure ... test. To become licensed, you must apply for your license with the Ohio Department of Agriculture. The ...

  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. OSU OFFERS NEW ONLINE COURSE FOR GOOD AGRICULTURAL PRACTICES

    https://producesafety.osu.edu/news/osu-offers-new-online-course-good-agricultural-practices

    course.  The cost of the course is $50.  To register for the course click here  (go.osu.edu/gapscourse). ... After completing this course, participants will be able to: Assess food safety risks and conduct risk ...

  9. Ohio Data that Shaped the Tri-State Fertilizer Recommendations

    https://ohioline.osu.edu/factsheet/agf-518

    that very low soil test levels require high fertilizer rates, but as soil test levels increase, our ... able to answer the question, “At what soil test level should I apply fertilizer to see a yield ... response?” To answer this question, we need to establish a critical soil test level.  For each trial, we ...

  10. Online Webinar- New Pesticide Applicator Training- April 12, 2023

    https://pested.osu.edu/events/online-webinar-new-pesticide-applicator-training-april-12-2023

    Ornamental Weed Control (Category 6c). Attendees will choose between Industrial Vegetation (Category 5) and ... Turf (Category 8). No testing is available at the conclusion of this course. Contact the ODA to ... permitted to make 6c applications. 8- Turf-  The application of pesticides to lawns, turf, sod, or to soil ...

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