Question

explain the advantages and disadvantages of tube wells as a source of irrigation?

Answer 1

The advantages of tube wells as a source of irrigation

- It can irrigate a large area. It does not dry during the scorching heat of summer. The disadvantages of tube wells as a source of irrigation

- Drawing water through tube well can lower the groundwater level of the neighboring areas and make it extreme dry and unfit for agriculture.

Tube well irrigation is not possible at all in the areas of brackish groundwater.

Answer 2

Answer:

The advantages of tubewell irrigation are as follows:

(i) It is an independent source of irrigation.

(ii) It brings up clean water.

(iii) It can irrigate large area of agricultural land.

(iv) It is easier to bring up large amount of water in  a short time period.

(v) It is a perennial means of irrigation as it is drilled up to permanent water table.

The disadvantages of tubewell irrigation are as follows:

(i) Excessive use of tubewell water can lead to depletion of groundwater.

(ii) It is useless if the water is brackish.

(iii) It is expensive as it requires continuous supply of electricity.