Pathiratna, L.S.S.Perera, M.K.P.2012-07-312012-07-312006Bulletin of the Rubber Research Institute of Sri Lanka47pp.28-33https://dl.nsf.gov.lk/handle/1/9147AgricultureRubberIntercroppingMedicinal plantsField experimentationAerva lanataSolanum virginianumPiper longumIndigofera tinctoriaPlumbago indicaHevea brasiliensisIntercropping medicinal plants under rubber (Hevea)Article