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GEOCHEMICAL CHARACTERISTICS OF HEAVY METAL ELEMENTS IN PADDY AND CORN FROM TIELING, LIAONING PROVINCE |
WU Ai-jun1, CHEN Yue-yue2, LING Shuang2, WU Hai-hong3 |
1. Liaoning Academy of Geology and Mineral Resources Survey, Shenyang 110032, China; 2. Liaoning Institute of Geology and Mineral Resources, Shenyang 110032, China; 3. No. 2 Oil Production Plant, North China Oilfield Corp., Bazhou 065700, Hebei Province, China |
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Abstract Research on the distribution of heavy metal element contents in paddy and corn from Tieling, Liaoning Province indicate that, heavy metal elements, especially Pb, Zn, Cd and Cr, share a common distribution rule, i.e. the high content spots are all distributed around heavily polluted area, such as Chaihe lead-zinc ore field and the lower reaches of Chaihe River. Comparison between Chaihe lead-zinc ore filed and Tieling area as background value shows that the distribution of heavy metal elements in paddy and corn is much correlated to the background environment such as soil and shallow groundwater. The heavy metal elements in paddy and corn can enter human body through food chain and harm the health.
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Received: 29 January 2008
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[1] |
CHEN Shu-wang, XING De-he, DING Qiu-hong, ZHENG Yue-juan, GAO Fei, BIAN Xiong-fei, ZHANG Zhi-bin, SHANG Ling, Antonina A. Zhukovskaya, Irina V. Ershova, Nadezhda A. Tomilovskaya. ECOGEOLOGICAL SURVEY AND EVALUATION: A Case Study of Tieling Area, Liaoning Province[J]. GEOLOGY AND RESOURCES, 2012, 21(6): 540-545. |
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