Prolonged ponding and crop damage can occur in poorly managed flat beds. There is also a risk of soil erosion in the supply channel as a result of high speed of water
Kukhalitsa kwa madzi komanso kuonongeka kwa mbewu kukhoza kuchitika pamalo osatsetsereka omwe sakusamalidwa bwino. Palinso chiopsezo chakukoloka kwa dothi polowera madzi ngati madzi akuthamanga kwambiri polowa