Fe 13 EDTA aids inside the activation of enzymes in plant cells; to fix the iron deficiency, get started with the bud swelling till the flowering period and after that repeat when wanted; EDTA-Fe is usually a chelated method of iron fertilizer, where iron is bonded with EDTA (Ethylenediaminetetraacetic acid) https://derrickg439ncr6.wikievia.com/user