Since few farmers cultivate on the contour, ridges tend to channel water out of the fields in an uncontrolled manner, which aggravates surface run-off and erosion
Pakuti alimi ochepa amalima ndi akalodzera, mizere imataya madzi kuchoka mminda mopanda zopinga, zimene zimawonjezera kuthamanga kwa madzi ndi kukoloka kwa dothi