Heavy metals, which may be found in soil, act as co-factors, being crucial components required for optimal biological and plant cell growth (Thomine and Vert 2013).Divalent cations, like copper (Cu 2+), iron (Fe 2+), zinc (Zn 2+), manganese (Mn 2+), and nickel (Ni 2+), are such essential trace elements for plants.These ions are …