Soil water potential monitoring: a gypsum block can be inserted to the soil, and its electrical resistance might be calculated to derive soil moisture.[forty eight] Gypsum occurs in comprehensive beds connected with other evaporite minerals (e.g., anhydrite and halite), specially in Permian and Triassic sedimentary formations; it can be deposited https://www.propanraya.com/id/produk/eco-gypsum-ee-4050