Nugawela, A.2012-07-312012-07-312006Bulletin of the Rubber Research Institute of Sri Lanka47pp.70-74https://dl.nsf.gov.lk/handle/1/9155AgricultureRubberHevea brasiliensisYieldLand selectionLand preparationClonesPlanting materialTappingEnjoy 2000 plus yields. adhere to basic agronomic practicesArticle