%0 Journal Article %T Productivity and nutrient use efficiency of maize, sorghum, and cotton in the West African Dry Savanna %A Amouzou, Kokou Adambounou %A Naab, Jesse B. %A Lamers, John P.A. %A Becker, Mathias %J Journal of Plant Nutrition and Soil Science %V 181 %N 2 %P 261-274 %@ 1436-8730 %D 2018-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve