Nataraja, K.N.Prasad, T.G.Udayakumar, M.2012-04-102012-04-101998Tropical Agricultural Research and Extension1(2)pp.94-97https://dl.nsf.gov.lk/handle/1/8137ForestrySeedling growthRelative humidityElevated carbon dioxide concentrationPhotosynthesisForest nurseryEffect of elevated carbon dioxide concentration and relative humidity on the growth of forest tree seedlingsArticle