Perera, K.T.M.S.Somasiri, L.L.W.Jayakody, A.N.2014-06-032014-06-031998Abstracts of papers, 10th Annual Congress PGIA of Peradeniya November 19-20:p...https://dl-cri.nsf.gov.lk//handle/1/3651SoilsCation exchangeMicronutrientsUpland soilsNutrient availabilitySoil analysisAnalytical techniquesUse of a cation exchange resin for determination of plantavailable micro-nutrients in upland soils of Sri Lanka