@ARTICLE {KORMAWA:1999, title = {Economic evaluation of using mulch from multipurpose trees in maize-based production systems in south-western Nigeria}, author = {Kormawa, P. and Kamara, A. and Jutzi, Y. and Sanginga, N. }, journal = {Experimental Agriculture}, year = {1999}, volume = {35}, number = {1}, pages = {101--109}, issn = {0014-4797}, }