wApplication
of integrated practices against soil erosion:
wTerracing,
contour cultivation, buffer stripes
w
wPollution of the
adjacent rivers with suspended load particles and absorbed organic matter reduced by15-18%;
wSoil erosion reduced by 65%;
wSoil fertility increased by 25% on average;
wYields increased by 29%
on average
w (maize 20-30%, hazelnuts 20-25%, soybeans
50%).