Pathiratna, L.S.S.Wijesuriya, W.2012-07-312012-07-312006Bulletin of the Rubber Research Institute of Sri Lanka47pp.40-43https://dl.nsf.gov.lk/handle/1/9150AgricultureRubberField experimentationIntercroppingExperimental designCinnamonRow spacingHevea brasiliensisA new systematic experimental design for tree crop researchArticle