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प्रश्न
Give one geographical reason for each of the following statements:
Canal irrigation leads to the ground around it becoming unproductive.
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उत्तर
Alkaline salts may come up to the ground in areas where canals are used for irrigation. This happens when the water table is only a few feet below the ground. This salt when it mixes with the soil makes it unproductive.
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संबंधित प्रश्न
Give a reason why traditional means of irrigation are still important in most parts of India.
Give a reason for the significance of irrigation in Rajasthan
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 statements:
Irrigation is necessary despite the monsoon.
Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation.
What are the reasons that necessitate artificial irrigation?
Or
What is the importance of irrigation?
With reference to well irrigation, answer the following question :
Name two states in which well irrigation is widely used.
Name the State which leads in irrigation by wells in India.
Name the types of irrigation prevailing in India.
State two reasons why there is a need for irrigation in India.
