Question
Compare the above system with the probable systems in hilly/ mountainous areas or plains or plateau regions.
✓
Answer
In plains, the water harvesting structures are crescentshaped earthen embankments. These are low, straight, and concrete.In hilly regions, the system of canal irrigation called Kulhsis used for water harvesting. This involves a collection of rain water in a stream, which is then diverted into man-made channels down the hill sides.
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