Accomplishments of participatory research for systems improvement in Iganga District, Uganda 1993 to 1997
Some cultural strategies for management of bean stem maggots (Diptera: Agromyzidae) on beans in Tanzania
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
Genotype x environment interaction and optimum resource allocation for yield and yield components of cassava