Chinnamma, N.P.Durga Devi, K.M.KAU2017-06-032017-06-032002http://krishikosh.egranth.ac.in/handle/1/5810015129en-USRice soils, Assessment, 2 4-D residues, KeralaAssessment of 2, 4 - D residues in the major rice soils of KeralaThesis