|
Answer» Tanks are natural or man hollows or depressions into which rain water is collected. - Usually they are built by individuals or groups of farmers by raising bunds across sea-sonal stream.
- Tank irrigation is widely practiced in Andhra Pradesh (29.8%), TamilNadu and Karnataka states.
- Tank irrigation is an ancient method of irrigation in the country. But the area under tank irrigation has decreased in recent years due to some draw backs.
- The area under tank irrigation decreased from 4.6 million hectare in 1960 – 61 to 1.56 . million hectre in 2007 – 08.
- It accounts for only 3.2% of the total irrigated area in India. Tank irrigation is suffering from certain inherent drawbacks
- Tanks get silted up soon.
- Most of the tanks are non-perennial’and become dry during winter and summer seasons.
- They occupy large fertile areas which could have been used for cultivation.
|
