Amarathunga, M.K.S.L.D.Wijeratne, M.A.Tea Research Institute of Sri Lanka2015-07-132015-07-132000Proceedings of the 200th Experiments and Extension Forum, 28th January 2000, TRI, Talawakele:p.5-15https://dl-tri.nsf.gov.lk/handle/1/1401Farm ManagementEcological factorsProductivityClonal teaTea plantationSoil propertiesSome of the Ecological factors Affecting sustainable productivity of Clonal Tea