The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called
A
Mulching
B
Contour barriers
C
Rockdam
D
Terrace Farming
Correct Answer: Rockdam
Rock dam is a simple approach to prevent the flow of water and prevent undercutting and erosion along the river craned. eg. Manills River has split rock dam in North western slopes region of new South Wales, Australia.