Advertisements
Advertisements
प्रश्न
Give one geographical reason for each of the following statements:
Canal irrigation leads to the ground around it becoming unproductive.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Name a state where Tube wells are common.
Give one geographical reason for each of the following:
Sprinkler irrigation is practised in arid and semi-arid regions.
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.
Give one geographical reason for each of the following statements:
The drip method of irrigation is the best among all modern methods of irrigation.
Mention two factors that favour the development of tube well irrigation in Punjab.
Name one State where tank irrigation is important. Give three disadvantages of tank irrigation
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.
Irrigation arrangements are no less important in areas of heavy rainfall in India.
