Gypsum Could make clay soil absorbent though making sure it drains speedy enough to stop water buildup and root rot. The calcium it provides will also retain grassroots healthful. Altered Soil pH: Gypsum may have a liming effect on soil. This could certainly increase pH levels, which makes it more alkaline. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050