@BOOK {AJEIGBE:2010d, title = {Participatory research extension approach: N2Africa extension method}, author = {Ajeigbe, H. and Dashiell, K. }, booktitle = {Putting nitrogen fixation to work for smallholder farmers in Africa (N2Africa)}, year = {2010}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-978-50004-1-2}, note = {Based on: Ellis-Jones, J., S. Schulz, D. Chikoye, N. de Haan, P. Kormawa, and D. Adezwa, 2005. Participatory research and extension approaches: a guide for researchers and extension workers for involving farmers in research and development. IITA, Ibadan, Nigeria, and Silsoe Research Institute, UK. 39 pp.; N2Africa project}, }