Use of a cation exchange resin for determination of plant available micro nutrients in upland soils of Sri Lanka

Perera, K.T.M.S.Somasiri, L.L.W.Jayakody, A.N.2015-09-032015-09-031998Tropical Agricultural Research, 10:p.74-88https://dl-ifs.nsf.gov.lk/handle/1/637Use of a cation exchange resin for determination of plant available micro nutrients in upland soils of Sri LankaArticle