Crop pests in Tanzania and their control - (A partial report from the Kilombero Agricultural Training and Research Inst. (KATRIN) Ifakara (Tanzania). Project no. 315 of the Federal Agency for Economic Cooperation). Edited by German Agency for Technical Cooperation - 2. ed.

acarien nuisible application rates chemical control control de plagas dose d'application insecte nuisible insecte utile lutte antiravageur lutte chimique nematoda pest control pest insects pest mites pesticide pesticides pests of plants plagas de plantas plaguicidas ravageur des plantes toxicidad toxicity useful insects