Pathirana, L.S.S.Nugawela, A.Samarasekera, R.K.2014-07-102014-07-101998Journal of the Rubber Research Institute of Sri Lanka, 81:p.29-37https://dl-rri.nsf.gov.lk//handle/1/2638AgriculturePlant physiologyGrowth irradiancePhoton flux densityQuantum efficiencyRespirationLight intensityRubberIntercroppingShade effects on photosynthesis of cinnamon (Cinnamomum verum J. Pres)A