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प्रश्न
Canal irrigation leads to the ground around it becoming unproductive.
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
Name a state where Tank irrigation is popular
Give one geographical reason for each of the following:
Sprinkler irrigation is practised in arid and semi-arid regions.
Name two modern methods of irrigation. State one important reason for their growing popularity.
Why is well irrigation still a popular means of irrigation? Give two reasons to support your answers.
“The modern means of irrigation are gaining popularity.” Give two reasons to justify this statement.
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.
Irrigation is very necessary for solving the food problem.
State two reasons why there is a need for irrigation in India.
