Gypsum

Comgro Soil Amendments has quite a variety when it comes to gypsum, ranging from 52%-99% purity levels. Gypsum has the ability to improve soil aeration and water percolation, and help improve sodic (saline) soils by removing sodium from the soil and replacing it with calcium. Gypsum can reduce erosion by increasing the ability of the soil to soak up water after precipitation, reducing runoff.