Fertilizer: While In the late 18th and early nineteenth generations, Nova Scotia gypsum, normally called plaster, was a highly sought fertilizer for wheat fields in The usa. Gypsum occurs in considerable beds associated with other evaporite minerals (e.g., anhydrite and halite), particularly in Permian and Triassic sedimentary formations; it is https://www.propanraya.com/id/produk/eco-gypsum-ee-4050