... .3% ,Fe: 2.0%, Mn:1.5%,B:1% Micromate----- Calcium Fortified MixGuaranteed Analysis: Ca: 10% Mg: 6.0% S: 5 ... from chemically reacting sulfuric acid with calcium carbonate, magnesium oxide, calcium-sodium borate, copper oxide, iron oxide, manganese oxide and zinc oxide. To be used for direct soil ...