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To register materials containing microbials and those used for promoting plant growth, please follow the instructions below:

  1. If your product contains N-P-K or micronutrients, please contact our Fertilizer Section:

    Lisa Mermoud
    Telephone: 765-494-1548
    E-mail: lmermoud@purdue.edu

  2. If your product does NOT contain fertilizer materials, please complete and submit the following registration form, along with payment:

    Registration of Cultures of Microorganisms or Materials Used for Promoting Plant Growth (pdf, 163kb)