Multiple choice

With reference to micro-irrigation, which of the following statements is/are correct?

  1. Fertilizer/ nutrient loss can be reduced.
  2. It is the only means of irrigation in dry land farming.
  3. In some areas of farming, receding of ground water table can be checked.

Select the correct answer using the codes given below:-

  1. 1 only

  2. 2 and 3 only

  3. 1 and 3 only

  4. 1, 2 and 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  1. Drip irrigation, also known as trickle irrigation or micro-irrigation, is an irrigation method which saves water and fertilizer by allowing water to drip slowly to the roots of plants, either onto the soil surface or directly onto the root zone, through a network of valves, pipes, tubing, and emitters.
    2. This method is also applicable in farms, commercial greenhouses, and residential gardens.
    1. Drip irrigation may help to achieve water conservation by reducing evaporation and deep drainage when compared to other types of irrigation.

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