Contour hedges also slow down and retain water that would otherwise be lost through surface run-off. Multi-purpose trees or shrubs may be planted above the hedges
Zotchingira mlambala umafooketsa liwiro ndi kusunga madzi omwe akanatha kutayika kudzera mmadzi othamanga panthaka. Mitengo yogwiritsidwa ntchito zosiyanasiyana kapena tchire ukhoza kubzalidwa pamwamba pa zotchingira