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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
Why is well irrigation still a popular means of irrigation? Give two reasons to support your answers.
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
Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation.
Give two advantages and one disadvantages that tube wells have over surface wells.
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.
The drip method of irrigation is the best among all modem methods of irrigation.
Name the types of irrigation prevailing in India.
Give a reason for the following:
Agriculture sector in India needs the support of irrigation.
