Evaluation of Heavy Metal (Zn, Cu, Pb, Cr, Cd and Ni) Concentrations in the Leaves, Stems and Roots of Telfairia occidentalis (Fluted Pumpkin) Harvested from the Egi Community, Rivers State

Ahiakwo C., Ekweozor I. K. E., Onwuteaka J. N., Anaero-Nweke G. N., Ugbomeh A.P., Bobmanuel K.N.O.