Question

Explain about Tank irrigation. Discuss the merits & Demerits of Tank irrigation.

Answer 1

Answer:

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Answer 2

Tank irrigation :-

• A tank is a reservoir for irrigation, a small lake or pool made by damming the valley of a stream to retain the monsoon rain for later use.

• It accounts for approximately 3% of the net irrigated area in India.

• Tank irrigation is popular in the peninsular plateau area where Andhra Pradesh and Tamil Nadu are the leading states.

• Andhra Pradesh has the larhest area (29%) of tank irrigation in India followed by Tamil nadu (23%).

Merits :-

• Most of the tanks are natural and do not involve cost for their construction.

• Independent source for an individual farmer or a small group of farmers.

• Longer life span.

• Can be used for fishing also

Demerits :-

• Depends on rain amd these tanks may dry up during the dry season.

• Silting of their beds.

• Require large areas

• Evaporation losses.

• Sometimes there might be a need to lift the water to take it to the field.