Gypsum May make clay soil absorbent while guaranteeing it drains rapidly enough to stop h2o buildup and root rot. The calcium it adds may also hold grassroots healthier. Gypsum for soil solutions this problem by breaking down compacted soil to allow superior drainage and nutrient absorption, critical in plant development.  https://www.propanraya.com/id/produk/eco-gypsum-ee-4050