Pathiratna, L.S.S.2012-07-312012-07-312006Bulletin of the Rubber Research Institute of Sri Lanka47pp.17-23https://dl.nsf.gov.lk/handle/1/9145AgricultureRubberIntercroppingCinnamonRow spacingCost benefit analysisHevea brasiliensisCinnamon for intercropping under rubberArticle