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Question
With reference to well irrigation, answer the following question:
Give two advantages and two disadvantages of wells.
Solution
Advantages: (a) easy to dig and construct, (b) cheap
Disadvantages:
(a) wells can irrigate a very small area about half an hectare of land.
(b) In times of drought they run dry. (c) Besides there is strain on the animals.
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Sprinkler irrigation is practised in arid and semi-arid regions.
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Tank irrigation is an important method of irrigation in Karnataka.
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