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:

[UPSC Civil Services Exam – 2020 Prelims]

(a) 1, 2 and 3 only

(b) 1, 2 and 4 only

(c) 1, 3 and 4 only

(d) 2, 3 and 4 only


Answer: (c)        

Explanation:

  • Fertigation is a technique of applying fertilizer by mixing it with irrigation water through a drip system.
  • This method has several advantages, such as controlling soil alkalinity and weed growth, as well as increasing fertilizer use efficiency and crop yield.
  • Urea and other highly water-soluble fertilizers are suitable for this method, while insoluble fertilizers like rock phosphate are not.
  • Additionally, fertigation helps to prevent soil waterlogging and nutrient leaching.

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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