@ARTICLE {NWOKE:2003, title = {Assessment of labile phosphorus fractions and adsorption characteristics in relation to soil properties of West African savanna soils}, author = {Nwoke, C. and Vanlauwe, B. and Diels, J. and Sanginga, P. and Osonubi, O. * and Merckx, R. }, journal = {Agriculture, Ecosystems and Environment}, year = {2003}, volume = {100}, pages = {285--294}, issn = {0167-8809}, }