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  1. Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

    https://ohioline.osu.edu/factsheet/agf-509

    site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...

  2. Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values

    https://ohioline.osu.edu/factsheet/anr-75

    Bray P. When only soil test values in the agronomic range were considered (less than 50 ppm Bray P), ... relationships between Mehlich-3, Bray P, and Ammonium Acetate soil test extractants in the Tri-State Region. ... 3–1170 ppm, and Mehlich-3 K values ranged from 25–899 ppm. We examined relationships with all soil test ...

  3. Ohio Agricultural Fertilizer Applicator Certification Requirements: Who Needs To Get Certified and the Steps To Take

    https://ohioline.osu.edu/factsheet/anr-0142

    to more than 50 acres for agricultural production primarily intended for sale Fertilizer is defined ... 50 acres is considered agricultural production Certified livestock managers (CLM) and certified crop ... business days between attempts. Scores are posted online 2–3   weeks after the examination at  ...

  4. ANR-841-2E: Tobacco Sucker Control

    https://ohioline.osu.edu/factsheet/anr-0841-2e

    that have a longer duration between topping and harvesting. However, individual burley varieties may ... long. When To Use Before a systemic sucker-control chemical is used, plants should be topped when 50% or ... in the past discouraged purchases of burley tobacco by foreign buyers. Experiment station field tests ...

  5. 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 ...

  6. Ohio Commercial Pesticide Applicator Requirements: Who Needs a License and the Steps To Take

    https://ohioline.osu.edu/factsheet/anr-0140

    garden center products or minimum-risk products, such as cedar oil, garlic oil, or corn gluten meal, are ... licensing and testing. Follow the steps below to become a licensed commercial applicator: Complete and mail ... — Agricultural Weed Control Category 2d — Seed Treatment Category 2e — Tobacco Sucker Control Category 2f — Soil ...

  7. Ohio Private Pesticide Applicator License Requirements: Who Needs a License and the Steps To Take

    https://ohioline.osu.edu/factsheet/anr-0141

    large enough to permit worker entry, including high tunnels and greenhouses. Greenhouse Pest Control ... soil, grain storage, greenhouse, or any other confined areas. Stored Grain Student Workbook (OSU ... option of retaking the core and category tests instead of obtaining recertification credits by attending ...

  8. Ohio Commercial Pesticide Applicator License Study Guides

    https://extension.osu.edu/extension-publishing/ohio-commercial-pesticide-applicator-license-study-guides

    instructions. Sample test included in the back of each chapter. Also required (included with purchase) Safety ... herbicide programs for non-GMO soybeans. Index to all tables regarding herbicides listed on the back cover ... chemical control.   Category 2f—Soil Fumigation Focuses on the application of fumigants to soil for the ...

  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. Faces of Ohio 4-H — Amanda Folck

    https://ohio4h.org/september-2023/faces-ohio-4-h-%E2%80%94-amanda-folck

    volunteers for more than 50 years in Michigan.” With these deep connections to 4-H in mind, Folck was quick ... the state level.” Of all the things 4-H taught Folck, she says one of the most valuable lessons was ...

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