The distribution and abundance of the common necessary-macroelements (N, K, Ca, Mg, P, S), microelements (Fe, Mn, Cu, Zn, B, Mo), helpful elements (Si, Co, F, Se, Ni, Sr), and toxic elements (Hg, As, Cr, Cd, Pb, Sb, Bi) in the fruit, leaf, trunk and root of Navel orange trees in Fengjie County, China were analyzed in the present study. The results indicated that the absorption and enrichment of these elements in the trees were showing the following patterns: Ca>N>K>Mg (macroelements), Fe>Mn>Zn>Cu>Mo (microe...