1.

Calcium salts used as fertilizer is :

Answer»

 Calcium SULPHATE



Sulphur (as sulphate) is a major plant nutrient, and is ESSENTIAL for crop growth. Calcium Sulphate (gypsum) is used to improve soil QUALITY. Calcium sulphate acts as a pH BUFFER, which can contribute to neutralizing both soil alkalinity and acidity. It is mainly used for the reclamation of sodic SOILS through ion exchange (calcium replacing sodium).



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