Pathiratna, L.S.S.Perera, M.K.P.2014-07-102014-07-102006Bulletin of the Rubber Research Institute of Sri Lanka, 47:p.28-33https://dl-rri.nsf.gov.lk//handle/1/2521AgricultureRubberIntercroppingMedicinal plantsField experimentationAerva lanataSolanum virginianumPiper longumIndigofera tinctoriaPlumbago indicaHevea brasiliensisIntercropping medicinal plants under rubber (Hevea)Article