Integrated soil fertility management in the tropics: from knowledge to implementation: TSBF-CIAT's strategy and work plan, 2005-2010
Institutional impacts of the cassava farmer participatory research and extension project in Thailand and Vietnam, 1993 -2004
Senna siamea trees recycle Ca from a Ca-rich subsoil and increase the topsoil pH in agroforestry systems in the West African derived savanna zone