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EDTA vs DTPA

Discussion in 'Advanced Strategies and Fertilization' started by srozell, May 27, 2005.

  1. srozell

    srozell Guru Class Expert

    Joined:
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    In a chelated micronutrient mix I use, it lists EDTA chelated Iron at 5% and DTPA Chleated Iron at 2%.

    In laymans terms, what does this mean?

    Can I assume that it has 7% usuable iron?


    It also lists EDTA ethylene diamine tetra-acetate at 42% and DTPA diethylene triamine pentaacetate at 13%. What does this mean to me?

    ... or more specifically.. what SHOULD it mean to me?
     
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