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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.
Name a state where Tank irrigation is popular
State two reasons why irrigation is important to a country like India.
State two reasons why tank irrigation is popular in South India.
Briefly explain two reasons for perennial canals being a popular form if irrigation in the named states
With reference to well irrigation, answer the following question :
Name two types of well used for irrigation in these states.
With reference to well irrigation, answer the following question :
Describe two methods of drawing water from the wells.
With reference to well irrigation, answer the following question:
Give two advantages and two disadvantages of wells.
The drip method of irrigation is the best among all modem methods of irrigation.
State two reasons why there is a need for irrigation in India.
