Possibility of exploitation at a younger growth stage through improved tapping systems and its impact on economic performance girthing and physiology of some new Hevea clones

2014-04-222014-04-222005https://dl-rri.nsf.gov.lk/handle/1/2136246BotanyExploitationTapping systemsGirthingPhysiologyPossibility of exploitation at a younger growth stage through improved tapping systems and its impact on economic performance girthing and physiology of some new Hevea clonesThesisPhD5499University of Peradeniya