Gypsum for Agricultural Use in Ohio—Sources and Quality of ...
It is important to note that pure gypsum is not a agent, and it cannot be used to raise soil pH. However, gypsum has the potential to relieve aluminum (Al 3+) toxicity in acid soils and to supply calcium and sulfur (S) for plant natural and synthetic sources of gypsum also contain other chemical compounds, such as calcium carbonate (agricultural lime), calcium oxide ...