Even in areas where maize is a staple food, root and tuber crops are important food supplement. They are particularly important as food security crops in seasons of drought and survive relatively well in marginal soils
Ngakhale kumadera komwe chimanga chimalimidwa ngati chakudya chodalirika, mbewu zamitsitsi komanso zobelekera mdothi ndizofunika ngati zowonjezera chakudya. Ndizofunika makamaka ngati zothandizira kudzidalira pachakudya munyengo za chilala ndipo zimapilira mmalo opelewera dothi, a miyala