នាម៖
Philip
គោត្តនាម៖
Tibenderana
A percolation pit is an excavation in the ground in the pathway of water runoff to intercept the flow of the water and thereby reduce erosion and destruction of crops, settlements and other infrastructure downstream
A bench terrace is an artificial horizontal strip dug across a steep landscape, with a riser ranging between 30 and 45 degrees. Bench terraces are constructed in series and help to minimize land degradation by rainwater runoff
A soil and water conservation channel is an excavated trench along the contour with tie bands after an interval to trap water and soil which are being washed down the slopes by a downpour
