To increase income from the higher yields under conservation agriculture, by reducing the row spacing to increase the plant density to the optimum (which is not possible with ridges or basins)
Powonjezera kapezedwe ka chuma kuchokera ku zokolola zochuluka pansi pa mtayakhasu kudzera kuchepetsa kutalikirana kwa mizere pofu a kuchulukitsa kuthithikana kwa mbewu kufika mulingo wokwera (zomwe zisotheka pomwe pali mizere kapena ngalande)