Studying & examining heavy metals in vegetables and forage in Shiraz plane and health interpretations
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30/06/2008
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Pollution Research
In Shiraz plain, there are 1070 ha of agriculture, 540 hectares of that is used for, vegetable cultivation. Two rivers are crossing Shiraz plain west to east. They are called Khoshk river and Soltanabad river. East and south of the city of Shiraz in two seprate countryside, people use polluted river waters for vegetable cultivation by pumping. 170 hactars around Khoshk river water, and 140 ha around Soltanabad river are investigated as survey field. In the present work twenty four of common green vegetables which are mostly eaten raw from almost 100 sampling points and 5 forage sampling (animal feed) from each site (total of 10) and total of 10 soil samples from both fields were tested for Ni, Fe, Cd, Pb, Cu, Cr, Zn, Co, Ba and Hg on Atomic absorption Spectrophotometer. Cobalt, Nickel, Cadmium and Lead were slightly bit higher in some vegetables, exceeding the normal accepted ranges.