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प्रश्न
Give two advantages and one disadvantages that tube wells have over surface wells.
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उत्तर
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.
संबंधित प्रश्न
Mention two factors which are essential for the development of tube well irrigation.
Mention two advantages that surface wells have over inundation canals.
Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation.
“The modern means of irrigation are gaining popularity.” Give two reasons to justify this statement.
There is an urgent need for water conservation in India.
What do you mean by irrigation?
What are the reasons that necessitate artificial irrigation?
Or
What is the importance of irrigation?
Irrigation is very necessary for solving the food problem.
Irrigation arrangements are no less important in areas of heavy rainfall in India.
Give a reason for the following:
Agriculture sector in India needs the support of irrigation.
