Article Sidebar download Requires Subscription PDF DOI: 10.4314/jext.v2i1.2725 Article Details Issue Vol. 2 (2001) Section Articles Copyright for articles published in this journal is retained by the journal. Main Article Content Sustainability of traditional cropping systems in the humid tropics: a case study of polyculture and compound farms P.C. Aju Department of Forestry, Micheal Okpara College of Agriculture, Umuagwu, Nigeria Abstract [JEXT Vol.2(1) 2001: 132-137]