Geography
State any two drawbacks of conventional methods of irrigation.
Water Resources
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Answer
Two drawbacks of conventional methods of irrigation are-
- A large quantity of water is not properly utilised.
- The fields situated in low areas always get excess water causing prolonged water logging.
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Related Questions
Give a geographical reason for each of the following:
(i) Inundation canals are being converted to perennial canals.
(ii) Tank irrigation is preferred over other means of irrigation in Peninsular India.
(iii) Groundwater reserves are depleting at a fast rate.
(i) What is meant by traditional or conventional methods of irrigation?
(ii) Name any two conventional methods of irrigation.
Give two advantages and two disadvantages of well irrigation.
Give a geographical reason for each of the following:
(i) Well irrigation is confined mainly to the alluvial plains.
(ii) In Tamil Nadu, nearly one-third of the net irrigated area is under canal irrigation.
(iii) Drip irrigation reduces loss of water through evaporation.