Participatory Research Approaches for Reducing Poverty and Natural Resource Degradation: Project SN-3: Annual Report 1998
Land use studies: Reconciling the Dynamics of Agriculture with the Environment: Annual report 1998 Project PE-4
Project GLO/91/013 Annual Report 1998 Ecologically Sustainable Cassava plant protection in South America and Africa: An Environmentally Sound Approach
Project BP-1 Assessment of past and expected impact of research on agriculture and natural resource management: Annual Report 1998
Land use effects on labile N extracted with permanganate and the nitrogen management index in the Cerrado region of Brazil