I’ve been using ferrous sulphate to drop the soil pH. I may have to try the chelated products again.
Think foliar
Think foliar
Think foliar
Think foliar
It is very hard to change the PH. Below is a chelated iron that can work via the roots and via the leaves as a foliar spray. Do you know what chelated vitamins for people are? This is similar
http://www.alisorganics.com/Ferriplus-Chelated-Iron-Ferriplus.htm