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.
A.1, 3 and 4 only✓ Correct
B.2, 3 and 4 only
C.1, 2 and 3 only
D.1, 2 and 4 only
Explanation
Fertigation allows control of water alkalinity, increases nutrient availability, and reduces leaching. However, Rock Phosphate cannot be applied through fertigation as it is insoluble in water.
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