Gypsum is an excellent source of sulfur for plant nutrition and improving crop yield. One of gypsum’s main advantages is its ability to reduce aluminum toxicity, which often accompanies soil acidity, particularly in subsoils. Gypsum can improve some acid soils even beyond what lime can do for them, which makes it possible to have deeper rooting with resulting benefits to the crops. Surface-applied gypsum leaches down to to the subsoil and results in increased root growth. Gypsum has been used for many years to improve aggregation and inhibit or overcome dispersion in sodic soils. Gypsum also improves the ability of soil to drain and not become waterlogged due to a combination of high sodium, swelling clay and excess water.
What is the role of gypsum in agriculture?
