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  1. Online Recertification

    https://pested.osu.edu/OnlineRecert

      Registration Opens July 6, 2020 Online Agricultural Fertilizer Recertification   Course Fees: Private: $35 ... Commercial: $15 per credit hour Fertilizer: $10   Check your Recertification Status In-person recertification ...

  2. Online Recertification for Agricultural Fertilizer Certificate Holders

    https://pested.osu.edu/OnlineRecertFertilizer

    This online recertification course is only for Private and Commercial Fertilizer Certificate ... You will need your pesticde license number or fertilizer applicator ID number to complete this online ... Private and Commercial Fertilizer certificate holders who still need credit, regardless of the number of ...