@ARTICLE {VANLAUWE:2001a, title = {Nitrogen management in 'adequate' input maize-based agriculture in the derived savanna benchmark zone of Benin Republic}, author = {Vanlauwe, B. and Aihou, K. * and Houngnandan, P. * and Diels, J. and Sanginga, N. and Merckx, R. }, journal = {Plant and Soil}, year = {2001}, month = {January}, volume = {228}, number = {1}, pages = {61--71}, issn = {0032-079X}, doi = {10.1023/a:1004847623249}, }