Thenabadu, M.W.Fernando, B.L.Perera, T.B.2022-04-252022-04-251966Tropical Agriculturist, 122:p.117-126https://dl-doa.nsf.gov.lk/handle/1/4494Soil ScienceHalpitigam KoraleSoil seriesSoil mapSurvey of rice soils of Hapitigam KoraleArticle