@ARTICLE {DOUTHWAITE:2005, title = {Ecoregional research in Africa: learning lessons from IITA's benchmark area approach}, author = {Douthwaite, B. and Baker, D. and Weise, S. and Gockowski, J. and Manyong, V. and Keatinge, J. }, journal = {Experimental Agriculture}, year = {2005}, volume = {41}, number = {3}, pages = {271--298}, issn = {0014-4797}, }