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  1. Fertilizer Certification

    https://extensionpubs.osu.edu/fertilizer-certification/

    Training Manual: Ohio Agricultural Fertilizer Applicator Certification focuses on the application ...

  2. Category 3C: Sewer Root Control

    https://extensionpubs.osu.edu/category-3c-sewer-root-control/

    Category 3c—Sewer Root Control: A Study Guide for Commercial Applicators focuses on the ... application of restricted-use pesticides to sewer pipes for the control of tree roots. To learn more, visit ...

  3. Category 6C: Ornamental Weed Pest Control

    https://extensionpubs.osu.edu/category-6c-ornamental-weed-pest-control/

    This Study Guide for Commercial Ornamental Weed Applicators focuses on the application of ...

  4. Category 3C: Sewer Root Control (PDF)

    https://extensionpubs.osu.edu/category-3c-sewer-root-control-pdf/

    Category 3c—Sewer Root Control: A Study Guide for Commercial Applicators focuses on the ... application of restricted-use pesticides to sewer pipes for the control of tree roots. To learn more, visit ...

  5. Category 6A: Ornamental Pest Control

    https://extensionpubs.osu.edu/category-6a-ornamental-pest-control/

    This Study Guide for Commercial Ornamental Applicators focuses on the application of pesticides to ...

  6. Category 6A: Ornamental Pest Control (PDF)

    https://extensionpubs.osu.edu/category-6a-ornamental-pest-control-pdf/

    This Study Guide for Commercial Ornamental Applicators focuses on the application of pesticides to ...

  7. Category 6B: Interior Plantscape Pest Control

    https://extensionpubs.osu.edu/category-6b-interior-plantscape-pest-control/

    Category 6b—Interior Plantscape Pest Control: A Study Guide for Commercial Applicators focuses on ... the application of pesticides to control insects, diseases, and weeds of indoor ornamental plants in ...

  8. Category 6B: Interior Plantscape Pest Control (PDF)

    https://extensionpubs.osu.edu/category-6b-interior-plantscape-pest-control-pdf/

    Category 6b—Interior Plantscape Pest Control: A Study Guide for Commercial Applicators focuses on ... the application of pesticides to control insects, diseases, and weeds of indoor ornamental plants in ...

  9. Category 2D: Seed Treatment

    https://extensionpubs.osu.edu/category-2d-seed-treatment/

    Category 2d—Seed Treatment: A Study Guide for Commercial Applicators focuses on the application of ...

  10. Category 2D: Seed Treatment (PDF)

    https://extensionpubs.osu.edu/category-2d-seed-treatment-pdf/

    Category 2d—Seed Treatment: A Study Guide for Commercial Applicators focuses on the application of ...

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