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प्रश्न
Canal irrigation leads to the ground around it becoming unproductive.
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उत्तर
Excessive flow of water in the fields raises the grounds water level. Capillary action brings alkaline salts to the surface and makes large areas unfit for agriculture.
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संबंधित प्रश्न
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:
Canal irrigation is more suitable in the Northern Plains.
Mention two factors which are essential for the development of tube well irrigation.
State two reasons why irrigation is important to a country like India.
Give one geographical reason for each of the following statements:
The drip method of irrigation is the best among all modern methods of irrigation.
Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation.
Briefly explain two reasons for perennial canals being a popular form if irrigation in the named states
Development of irrigation is essential for the growth of the agriculture sector of India.
With reference to well irrigation, answer the following question :
Name two types of well used for irrigation in these states.
State two reasons why there is a need for irrigation in India.
