@ARTICLE {VANLAUWE:2002a, title = {Fertility status of soils of the derived savanna and northern guinea savanna benchmarks and response to major plant nutrients, as influenced by soil type and land use management}, author = {Vanlauwe, B. and Diels, J. and Lyasse, O. and Aihou, K. * and Iwuafor, E. * and Sanginga, N. and Merckx, R. and Deckers, J. }, journal = {Nutrient Cycling in Agroecosystems}, year = {2002}, volume = {62}, number = {2}, pages = {139--150}, issn = {1385-1314}, url = {http://link.springer.com/article/10.1023/A:1015531123854}, }