I think PH have more effect on iron absorption in plants what do you think?

rajkm

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I mix using Toms recommendation of CSM (EDTA), DTPA and Gluconate at 3:1:1.


So far seems to be working just as fine.
 

rajkm

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Yes. But the mix is not specific to high tech instead for Fe dosing. With the mix you are dosing higher Fe, little less traces.