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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
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 Punjab
Name a state where Tank irrigation is popular
Give one reason for each of the following:
Tank irrigation is an important method of irrigation in Karnataka.
Briefly explain two reasons for perennial canals being a popular form if irrigation in the named states
Most of the South Indian states are not suitable for development of canal irrigation.
There is an urgent need for water conservation in India.
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:
Give two advantages and two disadvantages of wells.
Irrigation is very necessary for solving the food problem.
