De Alwis, K.A.Jayasooriya, S.E.Perera, M.B.A.2014-11-182014-11-181980Tea Quarterly49(1)pp.5-24https://dl.nsf.gov.lk/handle/1/13335Soil ScienceSt. Coombs estateSoil surveysSoil classificationLand formsSoil seriesSoil formationSoils of St.Coombs estate 1. environmental and morphological characteristicsA