This Is particularly helpful in spots liable to drought. The addition of gypsum can market much better drainage and air circulation, which might assist root advancement and nutrient absorption. Gypsum occurs in intensive beds related to other evaporite minerals (e.g., anhydrite and halite), specially in Permian and Triassic sedimentary formations; https://www.propanraya.com/id/produk/eco-gypsum-ee-4050