UPSC CSE Prelims 2011 Q58 — Geography PYQ with Answer

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: