@ARTICLE {VANLAUWE:1999, title = {Alley cropping in the moist savanna of West Africa III. Soil organic matter fractionation and soil productivity}, author = {Vanlauwe, B. and Aman, S. and Aihou, K. * and Tossah, B. * and Adebiyi, V. and Sanginga, N. and Lyasse, O. and Diels, J. and Merckx, R. }, journal = {Agroforestry Systems}, year = {1999}, volume = {42}, number = {3}, pages = {245--264}, issn = {0167-4366}, }