De Silva, M.S.D.L.Tea Research Institute; TRI, Sri Lanka2016-04-182016-04-182005Proceedings of the 211th Experiments and Extension Forum, 29th July 2005, TRI, Talawakelle, 211:p.18-27https://dl-tri.nsf.gov.lk/handle/1/1928Soil BiologySoil Biological propertiesTeaYieldSoil fertilityCalliandraEarthwormInfluence of Soil Biological Properties on Growth and Yield of Tea