A framework for quantifying the various effects of tree-crop interactions / C.K. Ong and R.M. Kho -- Mixed cropping of annual and woody perennial species : an analytical approach to productivity and management / R. Ranganathan and the late C.T de Wit -- Modelling radiation interception and water balance in agroforestry systems / S.B. Ghezehei, J.G. Annandale and C.S. Everson -- Principles of resource capture and use of light and water / the late C.R. Black, D. Randhawa and C.K. Ong -- Agroforestry and (micro)climate change / K. (C.J.) Stigter -- The Water balance of mixed tree-crop systems / J. Bayala and J.S. Wallace -- Competition and phenology in agroforestry / J. Broadhead -- Root distribution of trees and crops : competition and/or complementarity / M. van Noordwijk, G. Lawson, K. Hairiah, and J. Wilson -- Laboratory and field techniques for measuring root distribution and architecture / S.R. Tracy, S.J. Mooney, C.J. Sturrock, S. Mairhofer, M. Al-Traboulsi, M.J. Bennett, T.P. Pridmore, J.P. Lynch and D.M. Wells -- Adaptation for climate-sensitive crops using agroforestry : case studies for coffee and rice / B.B. Lin, A.J. Burgess, and E.H. Murchie -- Adaptation of crops to partial shade in mixed cropping systems / J. Bayala, J. Sanou, Z. Teklehaimanot and F. Sinclair -- Synthesis : key agroforestry challenges in the future / C.K. Ong, J. Wilson, the late C.R. Black, and M. van Noordwijk.