Gypsum is the chemical compound calcium sulfate, and it is an excellent source of calcium for soil that plants need to grow, and it also rebuilds the soil and restores it for agriculture The benefits of agricultural gypsum vary at the level of agricultural crops and soil, as it is a good source of calcium and sulfur, and its not only increases the quality of agricultural crops, but also improves the quality of soil, especially clay soil, and helps to repair lands that have been compressed by heavy machinery or that have been exposed to excessive salinity. As well as getting rid of the hardened layers of soil, in addition to its effective role in reducing the potential toxicity of aluminum in acidic soils.