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  1. Russian knapweed (Rhaponticum repens)

    https://pested.osu.edu/node/419

    allelopathic. The problem is…Russian knapweed persists in cultivated fields when established and produces deep ...

  2. Rebecca Zimmer

    https://extension.osu.edu/people/rebecca-zimmer

    Columbus, OH 43210 614-292-4793 zimmer.20@osu.edu ...

  3. Grapevines, uncultivated & in groups > 100 (Vitus spp.)

    https://pested.osu.edu/node/400

    if they are growing in groups of 100 or more and are not maintained (pruned, sprayed, or cultivated ...

  4. Shatter cane (Sorghum bicolor)

    https://pested.osu.edu/node/412

    in height. Life cycle: Summer annual Habitat: Cultivated fields – especially cereal crops. Leaf: ...

  5. Russian thistle (Salsola Kali var. tenuifolia)

    https://pested.osu.edu/node/411

    Cultivated, fields, roadsides, railroad right-of ways, pastures, waste areas, irrigated areas, river bottoms, ...

  6. Canada Thistle (Cirsum arvense)

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

    aggressively. Hand-pulling and cultivation are often ineffective control mechanisms because new plants sprout ...

  7. Giant Hogweed (Heracleum mantegazzianum)

    https://pested.osu.edu/node/399

    growing 15'-20' in height in large clusters. Sap may cause servere skin irritation. Life cycle: ... blisters usually appear 15 to 20 hours after contact with the sap and sunlight. ...

  8. Shared Harvest

    https://darke.osu.edu/news/shared-harvest-10

    receiving food need to stay in their vehicles for the registration process and place their car in ... "Park" while their food is being loaded.  With the addition of onsite registration, lines will take ... https://www.usda.gov/sites/default/files/documents/USDA-OASCR%20P-Compla..., from any USDA office, by calling (866) 632-9992, or by writing a letter addressed to USDA. The ...

  9. Hairy white top or ballcress (Lepidium appelianum)

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

    lobes clasping the stem Flower: Clustered white flowers in racemes made up of 20-30 flowers. The flowers ...

  10. FIRST-TIME Fertilizer Certification Webinar- 3 HOUR

    https://pested.osu.edu/events/first-time-fertilizer-certification-webinar-3-hour

      March 28, 2024 8:30 am- 12:30 pm Registration Deadline: March 22, 2024 Cost: $35 This 3-hour training is ... Certified Applicators/Regulations Jocelyn Birt Water Quality Extension Associate 9:20 Water Quality Impacts ... Agronomic Systems 11:20 Nitrogen Recommendations to Maximize Economic Potential and Limit Edge of Field ...

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