Samarappuli, L.Yogaratnam, N.Karunadasa, P.Mitrasena, U.Hettiarachchi, R.2012-06-252012-06-251993Journal of the Rubber Research Institute of Sri Lanka73pp.37-57https://dl.nsf.gov.lk/handle/1/8947BotanySoil moisturePlant physiologyGrowth rateStomatal conductanceTranspirationOsmosisAssimilationRole of potassium on growth and water relations of rubber plantsArticle