Media type: E-Article Title: The Soil Resources of Tropical Africa. A Symposium of the African Studies Association of the United Kingdom.R. P. Moss imprint: University of Chicago Press, 1969 Published in: The Quarterly Review of Biology Language: English DOI: 10.1086/406215 ISSN: 0033-5770; 1539-7718 Keywords: General Agricultural and Biological Sciences Origination: Footnote: