Status of chemical control applications for vegetable production in Benin, Ghana, Mali, Niger, Nigeria and Togo West Africa - Atcha-Ahowé, C.; James, B.; Godonou, I.; Boulga, J.; Agbotse, S.K.; Koné, D.; Kogo, A.; Salawu, R.; Glitho, I.A. (2009)