(I.A.R.& T., 2010) Institute of Agricultural Research and Training, (I. A. R. & I)
Among the different land degradation processes, erosion remains a major threat to the
conservation of soil and water on farmer's field. Sheet erosion is the most damagin?
form of erosion mainly because it is often not recognized and therefore not always
treated. It is often triggered by rainfall, while it accounts for the loss of cropable soil
every year