Following proper crop rotation, removal of volunteer plants and other crop hygiene practices will reduce the build-up of weeds, insect pests, nematodes and diseases
Kutsatira moyenera ulimi wa kasinthasintha, kuchotsa mbewu zogwera ndi njira zina zaukhondo wambewu zimachepetsa kuchulukana kwa tchire, tizilombo towononga, mbozi ndi matenda