Dissanayake, A.B.2012-06-252012-06-251973Journal of the Rubber Research Institute of Sri Lanka50(3-4)pp.244-255https://dl.nsf.gov.lk/handle/1/8901AgricultureRubber industryProduction efficiencyManuringClonesTapping systemsYield stimulationProduction costsImproving the viability of the natural rubber industry of Sri LankaArticle