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Question
Give two advantages and one disadvantages that tube wells have over surface wells.
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Solution
Advantages: Tube wells do not result in evaporation of water like suface wells. It irrigates large area (400 hectares).
Disadvantage: However tube wells are only possible in areas where the groundwater level is not too low power is needed to drain water.
RELATED QUESTIONS
Give a reason why traditional means of irrigation are still important in most parts of India.
Give one geographical reason for each of the following:
Sprinkler irrigation is practised in arid and semi-arid regions.
Give one geographical reason for each of the following:
A tube well should be installed in a fertile and productive region.
Mention two factors which are essential for the development of tube well irrigation.
Mention two advantages that surface wells have over inundation canals.
Mention two factors that favour the development of tube well irrigation in Punjab.
There is an urgent need for water conservation in India.
The drip method of irrigation is the best among all modem methods of irrigation.
Canal irrigation leads to the ground around it becoming unproductive.
Irrigation arrangements are no less important in areas of heavy rainfall in India.
