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| Am a little late to this conversation… I want to add zinc to 10-34 phosphate fertilizer in furrow with corn. The only chelated form I have been able to find is an EDTA granular, 14%, which I would have to dissolve in the 10-34. Should add, I'm working with a farm in Eastern Europe and can't get any zinc sulfate, which would likely have been my first choice.
As I understand things, EDTA would be the best (or only) chelated form that would be suitable for application with 10-34. Not sure if all EDTA's are created equal… don't want to waste the money if the zinc will be tied up by the phos. Thoughts? Also - what about rates? Was thinking 1 - 1 ½ lb/acre in a moderately deficient soil test. Enough? | |
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Zinc Sulfate vs 9% edta
