Wickremasinghe, W.N.Samaranayake, C.Abayapala, R.A.P.2013-05-082013-05-081984Journal of the Rubber Research Institute of Sri Lanka62pp.85-90https://dl-rri.nsf.gov.lk/handle/1/1690AgriculturePlant growthGrowth analysisRubberRegression analysisOn the estimation of leaf areas of some selected Hevea clonesA