The incidence of pests and diseases can be reduced without necessarily using pesticides but, for example, observing the closed season in tobacco and cotton; burning or burying infested materials away from the field and destruction of volunteer crops
Kupezeka kwa tizilombo komanso matenda kungachepetsedwe posagwiritsa ntchito mankhwala  kokha koma mwachitsanzo kutsatira kutha kwa nyengo ta fodya ndi thonje; kuotcha kapena kukwilila zinthu zonse zogwidwa ndi matenda ndi tizilombo komanso kuononga mbeu zina zonse 