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Q. |
Calcium salts used as fertilizer is – |
A. | Calcium Carbide |
B. | Calcium Carbonate |
C. | Calcium Cyanide |
D. | Calcium Sulphate |
Answer» D. Calcium Sulphate | |
Explanation: 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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