@ARTICLE {HARTMANS:1982, title = {Role of planted fallow in developing stable cropping system}, author = {Hartmans, E. H. and Kang, B. T. and Wilson, G. F. and Akobundu, I. }, journal = {Paper presented Latino-american Association of Agricultural Science meeting, 24-26 June 1982, Chanpingo, Mexico}, year = {1982}, }