If one plots the tank irrigation in India and superimposes it with map of well irrigation one may fi...........

Geography (CDS) Geography

If one plots the tank irrigation in India and superimposes it with map of well irrigation, one may find that the two are negatively related. Which of the

following statements explain the phenomenon?

1. Tank irrigation predates well irrigation.

2. Tank irrigation is in the areas with impervious surface layers.

3. Well irrigation requires sufficient ground water reserves.

4. Other forms of irrigation are not available.

Select the correct answer using the code given below.

1, 2 and 3

2 and 3 only

3 and 4

1 and 4

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Explanation:

The Tank irrigation is more in the rocky plateau area of the county, where the rainfall is uneven and highly seasonal. The Eastern Madhya Pradesh, Chhattisgarh, Orissa, Interiors of Tamil Nadu and some parts of Andhra Pradesh have more land under tank irrigation. Well Irrigation is common in alluvial plains of the country except the deserts of Rajasthan. Plains of UP, Bihar, Gujarat, Karnataka & Tamil Nadu are the states which are more prominently under the well irrigation. These areas have huge groundwater reserves. Well irrigation is much older than tank irrigation in India.