We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAgriculture. Science for African food security.AuthorsConway, Gordon; Toenniessen, GaryPublicationScience (New York, N.Y.), 2003, Vol 299, Issue 5610, p1187ISSN1095-9203Publication typeJournal ArticleDOI10.1126/science.1081978