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What are the advantages of fertigation in agriculture?

  By GK Planet Team      
Q. 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.
Select the correct answer using the code given below:
  1. 1, 2 and 3 only
  2. 1, 2 and 4 only
  3. 1,3 and 4 only
  4. 2, 3 and 4 only
Answer: 1,3 and 4 only

Fertigation | UPSC

Fertigation is the injection of fertilizers, used for soil amendments, water amendments and other water-soluble products into an irrigation system.

Fertigation is related to chemigation, the injection of chemicals into an irrigation system. The two terms are sometimes used interchangeably however chemigation is generally a more controlled and regulated process due to the nature of the chemicals used. Chemigation often involves insecticides herbicides, and fungicides, some of which pose health threat to humans, animals, and the environment.
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