Giritharan, D.Somasiri, L.L.W.Perera, B.S.V.J.2012-12-062012-12-062000Agrieast2pp.49-55https://dl.nsf.gov.lk/handle/1/9495AgricultureSoil analysisLeaf analysisFertilizersCoconut palmsPlant nutritionMagnesiumPotassiumStudies on seasonal fluctuation of exchangeable cations in a loamy sand of a coconut plantationArticle