Posted 1/29/2016 11:17 (#5072436 - in reply to #5071039) Subject: RE: Zinc sulfate in furrow
bigaljack - 1/28/2016 19:18 I'm talking about using pre made 10% zinc sulfate liquid, diluted with water to run through my starter system. I have some higher ph soil. Why does the ph matter?
Zinc becomes fixed (tied-up) by chemical reactions on high-pH soils. Unless it is Zn EDTA.
Zinc sulfate in furrow
