Perera, K.T.M.S.Somasiri, L.L.W.Jayakody, A.N.2014-11-122014-11-121998Tropical Agricultural Research, 10:p.74-88https://dl.nsf.gov.lk/handle/1/12014Soil ScienceSoil testingMicro nutrients availabilityCation exchange resin methodSoil typesUse of a cation exchange resin for determination of plant available micro nutrients in upland soils of Sri LankaA