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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 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:
A tube well should be installed in a fertile and productive region.
“Without irrigation, development of agriculture is difficult in India”. Clarify the statement by giving two reasons.
Mention two factors which are essential for the development of tube well irrigation.
Mention two advantages that surface wells have over inundation canals.
Give one geographical reason for each of the following statements:
Irrigation is necessary despite the monsoon.
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.
What are the favourable conditions in India for the development of irrigation?
Name the State which leads in irrigation by wells in India.
