INDIAN GEOGRAPHY

Detailed explanation-1: -In LI water is lifted from lower level to higher level with the help of pumps and other equipment. Construction of dams and canals helped tremendously to increase the irrigated area lying at lower level than the dam level, but scarcity of water remained the problem for higher level areas.

Detailed explanation-2: -River lift system is a type of irrigation in which water is drawn directly from the rivers (instead of canals). It is possible for areas near to rivers only. River lift system is employed in areas where canals do not have sufficient water flow.

Detailed explanation-3: -A river lift system pulls water immediately from rivers to help with irrigation. River lift systems depend on pumps and direct fetching rather than the overall flow of water from rivers via canals. In areas where canal flow is inconsistent given limited reservoir outflow, a river lift system is used.

Detailed explanation-4: -The advantage of a Lift irrigation system is the minimal land acquisition problem and low water losses.

Detailed explanation-5: -Sprinkler or drip irrigation are preferred above surface irrigation on steeper or unevenly sloping lands as they require little or no land levelling. An exception is rice grown on terraces on sloping lands.