Biological control results from the manipulation of populations of parasitoids, predators and pathogens in reducing the abundance of pest species and maintaining its population at a level lower than it would have been in the absence of these organisms
Njira zachilengedwe zimabwera posokoneza chiwerengero cha tizilombo, zowononga tizilombo ndi tizilombo toyambitsa matenda pochepetsa kuchuluka kwa mitundu ya tizilombo ndi kusunga chiwerengero pa mulingo wotsika kusiyana ndi mmene zikanakhalira popanda zamoyo zimenezi