Posted 9/2/2011 14:28 (#1943015 - in reply to #1942846) Subject: RE: Fert experts, Mapp, Dapp ?
central mn
I believe Dap is a higher PH product more for acid soils, and Map is a lower PH product for alkaline soils. Other than the analysis being also different Dap 18-46-0, MAP 11-52-0.