Estimation of the fertilizer response of maize and bean intercropping using sole crop response equations
Environmental constraints to nodulation and nitrogen fixation of Phaseolus vulgaris L. in Tanzania. I. A survey of soil fertility, root nodulation and multi-locational responses to Rhizobium inoculation
Haricot bean agroecology in Ethiopia: Definition using agroclimatic and crop growth simulation models
Genotype x environment interaction and optimum resource allocation for yield and yield components of cassava