Characteristics, classification, & adaptation of soils in selected areas in Sierra Leone, West Africa / R. T. Odell ... [et al.].
Odell, R. T.
College of Agriculture, University of Illinois at Urbana-Champaign,
Bulletin - Agricultural Experiment Station, University of Illinois at Urbana-Champaign ; 748
Bulletin - Njala University College, University of Sierra Leone ; 4
Bulletin (University of Illinois at Urbana-Champaign. Agricultural Experiment Station) 748.
Research series of the University of Illinois Office of International Agricultural Programs ; publication 2
University of Illinois international publication series of the Office of International Programs and Studies ; 1