Answers

2014-11-21T20:55:32+05:30
Rain water harvesting is a technique of storing or collecting water form rain and using that water in irrigation and other purposes. its also a technique of using ground water for irrigation and other useful purposes.
0
2014-11-21T21:12:39+05:30
Rain water harvesting is technique which is used for collecting , storing and using water which is stored for different  purpose such as irrigation , domestic uses  and various uses. 
0