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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.
संबंधित प्रश्न
Name three traditional means of irrigation.
Give one geographical reason for each of the following:
A tube well should be installed in a fertile and productive region.
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 tank irrigation is popular in South India.
Give one geographical reason for each of the following statements:
Canal irrigation leads to the ground around it becoming unproductive.
Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation.
With reference to well irrigation, answer the following question :
Name two types of well used for irrigation in these states.
Irrigation is very necessary for solving the food problem.
State two reasons why there is a need for irrigation in India.
