Books
- Management of Nitrogen and Phosphorus Fertilizers in Sub-Saharan Africa (Developments in Plant and Soil Sciences)
- Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys
- How Can Sustainable Agriculture Be Promoted (Pamphlets Series)
- Paysages agraires et environnement: Principes écologiques de gestion en Europe et au Canada
- Agriculture and Natural Resources: Planning for Educational Priorities for the Twenty-First Century (Social Behavior and Natural Resources Series)
Books