Biological control activities in agricultural crops in Zanzibar

agricultura comercial agricultural products agriculture commerciale arroz auxiliaire de lutte biologique bananas banane banano batata biological control biological control organisms biopesticide biopesticides bioplaguicidas cash crops cassava clavo clou de girofle cloves coco coconuts cocos nucifera commercial farming crops cultivos cultivos alimenticios cultivos comerciales culture de rapport eugenia caryophyllus food crops frutas tropicales integrated control ipomoea batatas lucha integrada lutte biologique mais maize mandioca manihot esculenta manioc noix de coco oryza patate douce pest control methods plant products plante alimentaire plante de culture productos de origen vegetal produit agricole rice riz sweet potatoes tanzania tanzanie tropical fruits zea mays