If You propose to apply gypsum from the presence of plantings, then a fee of forty lbs for every one thousand square ft need to be utilised. Gypsum makes use of contain: manufacture of wallboard, cement, plaster of Paris, soil conditioning, a hardening retarder in portland cement. Forms of gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050