2 thoughts on “Organic Matter: Humic/Fulvic Acid, by Dr. Robert E. Pettit Emeritus Associate Professor Texas A&M University”

  1. Tengiz Jaliashvili PhD

    Dear colleagues, which alternative of NPK may you recommend to bio-farmers to obtain analogous yield per ha ?
    Tengiz Jaliashvili PhD
    Main Scientist of Scientific Center
    Georgian Technical University (GTU) http://www.gtu.ge/eng/index.php
    Kostava str. 77
    0175 Tbilisi, Georgia

    1. I have conferred with our soil scientist and we both do not understand your question, please give more information.

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