Pathiratna, L.S.S.Perera, M.K.P.Balasooriya, C.K.2012-07-312012-07-312007Bulletin of the Rubber Research Institute of Sri Lanka48pp.8-15https://dl.nsf.gov.lk/handle/1/9158AgricultureRubberHevea brasiliensisPlant densityGround coverLitter accumulationSoil conservationWider inter row spacings for planting rubber (Hevea). a concept for conservation , sustainability and profitabilityArticle