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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.
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 for the significance of irrigation in Rajasthan
Name a state where Tube wells are common.
Why is well irrigation still a popular means of irrigation? Give two reasons to support your answers.
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.
There is an urgent need for water conservation in India.
Development of irrigation is essential for the growth of the agriculture sector of India.
Give two advantages and one disadvantages that tube wells have over surface wells.
With reference to well irrigation, answer the following question:
Give two advantages and two disadvantages of wells.
Irrigation is necessary despite the monsoon.
