COMPARING AGRICULTURAL GYPSUM WITH LIMESTONE AND DOLOMITE
May 20, 2017#0183;#32;By Brent Rouppet, (Part 1 of a 3 Part Series) There are two key soil amendments in agriculture: (1) gypsum (calcium sulfate dihydrate [CaSO4 H2O]), and (2) materials such as limestone (CaCO3) and, dolomite ( (CaMg (CO3)2). materials are applied to neutralize soil acidity, but in situations where Ca is required without the need for correcting soil acidity, then gypsum is