Mapping the yields of major crops in Sub-Saharan African smallholder farming system
Zhenong Jin1, George Azzari2, Sherrie Wang2,3 and David B Lobell4, (1)Peking University, The Institute of Ecology, College of Urban and Environmental Science, Beijing, China, (2)Stanford University, Stanford, CA, United States, (3)Stanford University, Stanford, United States, (4)Stanford University, Department of Earth System Science & Center on Food Security and the Environment, Stanford, United States
