Because at high hills it has no enough plains for farming; therefore, at hillsides it is adjusted for plantation and this can protect vertically soil erosion as well
Which technique can preserve horizontally soil erosion?
Which technique can be used to preserve soil at high slope area?
Which technique does not involve in reducing soil erosion?
“Biogas” is a way to save water from….
How many steps of industrial wastewater treatment? And what are them?
“Biological treatment” stand for