Nugawela, A.Samarasekera, R.K.Wilbert, S.2014-07-102014-07-102002Journal of the Rubber Research Institute of Sri Lanka, 85:p.1-9https://dl-rri.nsf.gov.lk//handle/1/2423AgricultureHevea brasiliensisPlant girthRubber plantingBark thicknessTappingPlant growthThe effect of girth at opening on yield and growth of modern Hevea brasiliensis Muell Arg. clonesArticle