Retraction Note to: Agroforestry Systems 53: 31–37, 2001 DOI 10.1023/A:1012296803189

This article is retracted from Agroforestry Systems by the Publisher in consultation with the Editor-in-Chief as it largely overlaps with what has been earlier published in the journal “Agriculture, Ecosystems & Environment”. The earlier publication can be found at: http://dx.doi.org/10.1016/S0167-8809(00)00203-6.