UPSC Civil Services Prelims 2020
Question 54 of 70Environment and Ecology
What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is possible. 2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible. 3. Increased availability of nutrients to plants is possible. 4. Reduction in the leaching of chemical nutrients is possible.
A1, 2 and 3 only
B1, 2 and 4 only
C1, 3 and 4 only
D2, 3 and 4 only
Correct Answer
The correct answer is hidden
Explanation
43 words hidden ... not all phosphatic fertilizers, especially rock phosphate, are efficiently suited for fertigation because of solubility ... 44 words hidden