De Costa, W.A.J.M.Weerakoon, W.M.W.Abeywardena, R.M.I.Herath, H.M.L.K.2014-07-082014-07-082003Journal of Agronomy and Crop Science, 189(2):p.71-82https://dl-rri.nsf.gov.lk//handle/1/2319Response of photosynthesis and water relations of rice (Oryzasativa) to elevated atmospheric carbon dioxide in the sub-humid zone of Sri LankaArticle