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  1. May 15, 2024- New Applicator Training- In Person

    https://pested.osu.edu/events/may-15-2024-new-applicator-training-person

    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 ... 8- Turf-  The application of pesticides to lawns, turf, sod, or to soil areas being prepared for the ...

  2. 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 ...

  3. Musk thistle (Carduus nutans)

    https://pested.osu.edu/node/407

    Habitat: Grows in neutral to acidic soils. It invades open natural areas, meadows, grassy bald, disturbed ...

  4. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/agf-0514

    suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...

  5. Master Gardener Volunteer Forms

    https://butler.osu.edu/program-areas/master-gardener-volunteers/master-gardener-volunteer-forms

    Programs with Minors, Policy 1.50 Activities and Programs with Minors, Policy 1.50 Signature Page ...

  6. Heart-podded hoary cress (Lepidium draba sub. Draba)

    https://pested.osu.edu/node/422

    is…heart-podded hoary cress is highly competitive and displaces native vegetation. It can also reduce the value of ... high-price wheat lands. One mature plant produces 1,200 to 4,800 seeds ...

  7. Johnsongrass (Sorgum halepense)

    https://pested.osu.edu/node/402

    Root: Fibrous. Rhizomes are found close to the soil surface. They are stout with purple spots and scales ...

  8. Columbus grass (Sorghum x almun)

    https://pested.osu.edu/node/420

    Description: Hybrid between Grain sorghum (S. bicolor) and Johnsongrass (S. halepense). Life ...

  9. Lawn Mowing

    https://ohioline.osu.edu/factsheet/hyg-5816

    limited soil moisture can lead to signs of stress and increased risk of turfgrass loss in closely mowed ... pesticide applications, for cultivating and maintaining a high-quality lawn. Properly mowed lawns have ... manufacture sugars, fueling their development into a high-quality lawn. When mowed at low heights, turfgrasses ...

  10. Ammonia Emission from Animal Feeding Operations and Its Impacts

    https://ohioline.osu.edu/factsheet/AEX-723.1

    50 ppm, increased levels of keratoconjunctivitis and tracheitis have been observed. These trachea and ... causes high ammonia levels inside animal production buildings, especially in winter months when the ... concentrations. People begin to detect odors at 5–50 ppm. Irritation to mucous surfaces occurs at 100–500 ppm ...

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