Mineral GYPSUM 

  • GYPSUM application is generally recommended because it provides calcium and sulphur, it has impurities that also provide magnesium.
  • It reduces pH slightly, improves soil structure, creates a favourable environment for the microflora and reduces impact of drought and the associated aflatoxin problem.  Excess of GYPSUM does not harm the plants.
  • It is relatively soluble source of Ca and, therefore, readily available to the developing pods.
  • As a soil additive (sometimes called land plaster) to improve the soil’s workability and receptivity to moisture, and to overcome the corrosive effect of alkalinity. GYPSUM specifically benefits such crops as alfalfa, corn, cotton, wheat, and peanuts where substantial amounts of sulfate sulphur are required.
  • As an additive in turbid water, particularly ponds, to settle dirt and clay particles without injuring aquatic life.
  • GYPSUM is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO. 2H2O. It is widely mined and is used as a fertilizer, and as the main constituent in many forms of plaster, blackboard chalk and wallboard.
  •   As uncalcined GYPSUM , the sulfate is employed as a soil conditioner. Calcined GYPSUM is used in making tile, wallboard, lath, and various plasters.
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