Cool and dry grain will have fewer pest problems than warm and moist grain. Sterilization of nursery beds by burning is another example of physical control
Mbewu za udzu zozizira ndi zouma zimakhala mavuto a  tizilombo ochepa kusiyana ndi zomwe zili ndi chinyezi. Kupha tizilombo ndi matenda kumanazale powotcha ndi chitsanzo  chabwino chosagwiritsa ntchito zamoyo