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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. 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 ...

  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. 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 ...

  6. Ohio Private Pesticide Applicator License Requirements: Who Needs a License and the Steps to Take

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

    grown under an impervious surface large enough to permit worker entry, including high tunnels and ... restricted-use fumigants to soil, grain storage, greenhouse, or any other confined areas. Stored Grain Student ... applicators also have the option of retaking the core and category tests instead of obtaining recertification ...

  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. Soil Heath Series Dates Announced for 2024

    https://extops.cfaes.ohio-state.edu/newsletter/news-and-notes/september-15-2023/soil-heath-series-dates-announced-2024

    The Soil Health Series team is planning three virtual events in 2024 – Jan. 11, Feb. 8, and March ...

  9. Suicide Prevention Awareness Month

    https://extops.cfaes.ohio-state.edu/newsletter/news-and-notes/september-15-2023/suicide-prevention-awareness-month

    and LGBTQI youth. • It is available in all 50 states. ...

  10. Midwest Mechanical Weed Control Field Day – Sept. 27

    https://extops.cfaes.ohio-state.edu/newsletter/news-and-notes/september-15-2023/midwest-mechanical-weed-control-field-day-%E2%80%93-sept-27

    years. This is a pre-registration event (by Sept. 24) and the cost to attend is $50. Click here to ...

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