Assertion: gypsum | /r/HasProperty | sold to private buyers
Facets:
value: for additions of calcium and sulfur
type: PURPOSE
Source sentences:
text: Several small mines also exist in places such as Kalannie in Western Australia, where gypsum is sold to private buyers for additions of calcium and sulfur as well as reduction of aluminum toxicities on soil for agricultural purposes.
text: Several small mines also exist in places such as Kalannie in Western Australia, where gypsum is sold to private buyers for additions of calcium and sulfur as well as reduction of aluminum toxicities on soil for agricultural purposes.