@BOOK {PETERS:2001, title = {The role of forages in reducing poverty and degradation of natural resources in tropical production systems}, editor = {Peters, M. and Horne, P. and Schmidt, A. and Holmann, F. and Kerridge, P. C. and Tarawali, S. and Schultze-Kraft, R. and Lascano, C and Argel, P and Stur, W. and Fujisaka, S. and Muller-Samann, K and Wortmann, C. S. }, series = {AgREN Network Paper}, year = {2001}, volume = {117}, }