Dr. P.K.R. Nair is Professor of Agroforestry at the University of Florida, Gainesville, USA and has been a founder-scientist at the International Centre for Research in Agroforestry (ICRAF), Nairobi, Kenya for about 10 years. He is a leading world authority and a pioneering researcher and educator in agroforestry.

• Biophysical interactions in tropical agroforestry systems.- Soil improvement by trees in sub-Saharan Africa.- Decomposition and nitrogen release patterns of tree prunings and litter.- Nutrient cycling under mixed-species tree systems in southeast Asia.- Agroforestry in the management of sloping lands in Asia and the Pacific.- Shade management in coffee and cacao plantations.- The domestication and commercialization of indigenous trees in agroforestry for the alleviation of poverty.- Socioeconomic research in agroforestry: progress, prospects, priorities.- Policy issues in agroforestry: technology adoption and regional integration in the western Brazilian Amazon.- Directions in tropical agroforestry research; past, present, and future.

Dr. P.K.R. Nair is Professor of Agroforestry at the University of Florida, Gainesville, USA and has been a founder-scientist at the International Centre for Research in Agroforestry (ICRAF), Nairobi, Kenya for about 10 years. He is a leading world authority and a pioneering researcher and educator in agroforestry.

• Biophysical interactions in tropical agroforestry systems.- Soil improvement by trees in sub-Saharan Africa.- Decomposition and nitrogen release patterns of tree prunings and litter.- Nutrient cycling under mixed-species tree systems in southeast Asia.- Agroforestry in the management of sloping lands in Asia and the Pacific.- Shade management in coffee and cacao plantations.- The domestication and commercialization of indigenous trees in agroforestry for the alleviation of poverty.- Socioeconomic research in agroforestry: progress, prospects, priorities.- Policy issues in agroforestry: technology adoption and regional integration in the western Brazilian Amazon.- Directions in tropical agroforestry research; past, present, and future.

Dr. P.K.R. Nair is Professor of Agroforestry at the University of Florida, Gainesville, USA and has been a founder-scientist at the International Centre for Research in Agroforestry (ICRAF), Nairobi, Kenya for about 10 years. He is a leading world authority and a pioneering researcher and educator in agroforestry.

• Biophysical interactions in tropical agroforestry systems.- Soil improvement by trees in sub-Saharan Africa.- Decomposition and nitrogen release patterns of tree prunings and litter.- Nutrient cycling under mixed-species tree systems in southeast Asia.- Agroforestry in the management of sloping lands in Asia and the Pacific.- Shade management in coffee and cacao plantations.- The domestication and commercialization of indigenous trees in agroforestry for the alleviation of poverty.- Socioeconomic research in agroforestry: progress, prospects, priorities.- Policy issues in agroforestry: technology adoption and regional integration in the western Brazilian Amazon.- Directions in tropical agroforestry research; past, present, and future.