Samarappuli, L.2014-07-102014-07-102001Bulletin of the Rubber Research Institute of Sri Lanka, 43:p.35-42https://dl-rri.nsf.gov.lk//handle/1/2476AgricultureRubber cultivationSoil characteristicsRubber growthProductivityLand slopeRockinessLand suitabilityHevea brasiliensisSri Lankan conditionsLand and soil requirements for optimum growth and productivity of rubber under Sri Lankan conditionsArticle