This Is especially valuable in spots susceptible to drought. The addition of gypsum can boost improved drainage and air circulation, that may help root growth and nutrient absorption. Gypsum takes place in intensive beds affiliated with other evaporite minerals (e.g., anhydrite and halite), specifically in Permian and Triassic sedimentary formations; https://www.propanraya.com/id/produk/eco-gypsum-ee-4050