Loganathan, P.Fernando, T.W.2021-03-312021-03-311977Tropical Agriculturist, 133(2):p.105-116https://dl-doa.nsf.gov.lk/handle/1/3112COCONUT SOILSSri LankaEfficiencies of Eppawela, saphos and concentrated superphosphates in some coconut soils of Sri Lanka - a laboratory evaluationArticle