26335 2620 10 Modelling the economics of imperata control in smallholder rubber plantations mixed material 0867404388 Bogor CASER 1995 Economic aspects of imperata control in rubber smallholdings in Indonesia mixed material Bogor CASER 1995 Assersing opportunities for smallholder to combine pulpwood trees and food crops mixed material 0867404345 Bogor CASER 1995 Application of the trenbath model for studying shifting cultivation systems [An] mixed material 0867404531 Bogor CASER. 1996 1996 Biophysical and economic evaluation of hedgerow intercropping using SCUAF in Lampung, Indonesia mixed material 086740485x Bogor CASER 1997 Fire as an economic disincentive to smallholder rubber planting in imperata areas of Indonesia mixed material 0867404825 Bogor CASER 1997 Two approaches for estimating the on-site costs erosion in the Philippines: 1)The Opportunity Cost Approach; 2)The Replacement Cost Approach mixed material 0867404868 Bogor CASER 1997 Alley cropping farming systems in Indonesia: a review mixed material 0867404795 Bogor CASER 1997 Multipurpose trees as improved follow: an economic assessment mixed material 0867404760 Bogor CASER 1997 Changing fallow length in an imperata/ mixed material 0867404574 Bogor CASER 1996