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  1. Canada Thistle (Cirsum arvense)

    https://pested.osu.edu/node/397

    meadows. It can also be found in clay to gravely soils. Leaves: 3-8 inches long, alternate with spiny, ... prevents the coexistence of other plant species through shading, competition for soil resources, and ...

  2. Hairy white top or ballcress (Lepidium appelianum)

    https://pested.osu.edu/node/421

    alkaline soils Leaves: Blue-green in color with lower leaves being stalked and upper leaves having two ...

  3. Perennial sowthistle (Sanchus arvensis)

    https://pested.osu.edu/node/418

    neutral, fine textured, rich soils. Leaves: Alternate, blue-green with prickly-toothed margins. Deeply ...

  4. Gregory Davis, Ph.D

    https://acel.osu.edu/our-people/gregory-davis-phd

    Gregory Davis, Ph.D Professor davis.1081@osu.edu 200S Agricultural Administration Building B.A., ... Department of Extension; the Department of Agricultural, Environmental, and Development Economics; and as an ...

  5. Water Hemp (Amaranthus tuberculatus)

    https://pested.osu.edu/node/425

    stems. Life Cycle: Annual Habitat: Crop fields, disturbed areas. Prefers poorly drained soils. Leaves: ...

  6. April 10, 2024- New Applicator Training- Webinar

    https://pested.osu.edu/events/april-10-2024-new-applicator-training-webinar

    with the Ohio Department of Agriculture, which requires a separate $35 fee.  Signing up for this class ... Industrial Vegetation-  The application of pesticides to non-agricultural lands, such as roadways, public ... permitted to make 6c applications. 8- Turf-  The application of pesticides to lawns, turf, sod, or to soil ...

  7. Pesticide Testing Opportunity

    https://fairfield.osu.edu/events/pesticide-testing-opportunity-0

    The Ohio Department of Agriculture will be hosting a Pesticide and Fertilizer testing opportunity ...

  8. Johnsongrass (Sorgum halepense)

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

    soil surface. They are stout with purple spots and scales at the nodes.  The problem is….Johnsongrass ...

  9. Herb Series- Growing Herbs with Carrie Brown

    https://fairfield.osu.edu/events/herb-series-growing-herbs-carrie-brown

    Growing Herbs:  Whether you have a backyard garden or a few containers on your patio, everyone can ...

  10. Poison hemlock (Conium maculatum)

    https://pested.osu.edu/node/409

    to most soils and is often found near roadsides. Field borders, hiking trails, railroad tracks, ...

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