Biological control of food crop pests, Africa - regional. Inter-country visits, in-country training and follow-up mission in Ethiopia, Uganda, Kenya, Zambia, Malawi, Tanzania and Sudan

biological control control de plagas cultivos alimenticios ethiopia etiopia food crops formation kenia kenya lutte antiravageur lutte biologique malawi ouganda pest control plante alimentaire soudan sudan tanzania tanzanie training uganda zambia zambie