Lead, Nickel, Vanadium, Cobalt, Copper and Manganese Distributions in Intensely Cultivated Floodplain Ultisol of Cross River, Nigeria
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Academic Journals Inc., USA
Abstract
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Presently, heavy metal pollution of our cultivable agricultural farmlands is
increasing and is often associated with anthropogenic sources. Wetlands contaminated with
detectable levels of metal toxicants and other trace macro-elements are frequently used for
growing vegetable crops. To assess the impact of floodwater on soil of floodplain wetland
of Cross River, soil samples were taken from uppermost 0-30 ern within designated thirty
square grids and analytical determinations of cobalt (Co), lead (Pb ), manganese (Mn), nickel
(Ni), vanadilllll (V) and copper (Cu) were carried out. The results show high accillllulat:ion
of Mn (40.22±2.79 Mg g-'), Pb (22.47±0.58 Mg g-'), Cu (16.17±7.93 Mg g-') and Ni
(17.24±4.12 Mg g-') from the wetland. The exploratory data analyses for each of the heavy
metals revealed that the concentrations of the metals in the floodplain ultisols were more
effectively influenced by environmental and anthropogenic attributes.
Keywords
QD Chemistry