Fertilizer: During The late 18th and early nineteenth hundreds of years, Nova Scotia gypsum, frequently referred to as plaster, was a highly sought fertilizer for wheat fields in the United States. Deposition: Gypsum originally types as dissolved calcium and sulfate ions in h2o. These ions can come from various sources, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050