Concentrations of Cd, Co, and Pb in Soil and Taro Plant (Colocasia esculenta) at Various Distances from a Phosphate Fertilizer Factory

Document Type : Original Research Papers

Authors

1 Soil and water Dept., Faculty of Agriculture, Mostohor Benha University

2 Soils and Water Research Dept., Nuclear Research Center, Egyptian Atomic Energy Authority, Egypt

Abstract

A survey study was conducted with the aim of monitoring the pollutants of cadmium, cobalt and lead around the phosphate fertilizer factory.  At distances of C0, C1 , C2, C3 and C4  of  0,  200, 400, 800, and 1600-m from the Abu-Zaabal phosphate fertilizer factory, samples of soil at D1, D2 and D3, i.e. depths  0-15 cm , 15-30 cm and 30-45cm as well as samples of  taro plants (Colocasia esculenta) were collected for  analysis of  Co, Cd, and Pb. Highest Co in soil was at D2 compared with D1 or D3 samples of taro fruit collected from the research zone had heavy metal contents that  followed a trend of C0>C4> C1>C3>C2. The highest Co of 0.208 g kg-1 in taro shoots, was found at C2. A pattern of C2>C0>C3>C1>C4 was given by Co. The greatest Pb content in Taro soil was 258 mg kg-1, with an increase of approximately 71% across a 400 m distance and a depth of 0-15 cm.

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