Two preliminary technical support missions have been implemented in February 2005 and May 2006, undertaken by E. Penot and JM Eschbach, from GIRAD. The purpose of this last mission (April 2007) is the following: - Validation of scenarios hypothesis and discussions with farmers' groups in Kalimantan analysis of the technical/economic siimulation and modelling implemented with the software "Olympe" developed by INRA, GIRAD and IAMM (E. Penot). - Proposal for further analysis of the farming system reference monitoring network.