Issues of site management and screening methods: discussion and recommendations. 1994. In: Wortmann, Charles S. (ed.). Bean improvement for low fertility soils in Africa: Proceedings of a working group meeting, Kampala, uganda 23-26 May, 1994. Centro Internacional de Agricultura Tropical (CIAT), Network on Bean Research in Africa, Butare, RW. p. 37-40. (CIAT African workshop series no. 26)

phaseolus vulgaris; varieties; selection; soil deficiencies; stress; nitrogen; phosphorus; ph; selection criteria; variedades; selección; deficiencias del suelo; estrés; nitrógeno; fósforo; criterios de selección