@INPROCEEDINGS {LIYA:1990, title = {The influence of some parameters of soil fertility on early growth of Leucaena leucocephala and Cassia siamea}, author = {Liya, S. M. and Mulongoy, K. and Odu, C. T. I. and Agboola, A. A. }, booktitle = {Maximiser la fixation biologique de l'azote pour la production agricole et forestiere en Afrique. Illeme Conference de L'AABNF, 7-12 Nov 1988, Dakar, Senegal, edited by M. Gueye, K. Mulongoy, and Y. Dommergues. Collection Actes de l'ISRA, Vol. 2 no 2}, year = {1990}, pages = {250--256}, address = {Dakar, Senegal}, }