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- W2372764360 abstract "The paper intends to introduce its author' s investigation and analysis of the current situation of heavy metal pollution in the tailing reclamation area near Anhe River in the deep Qinling Mountains. Based on a systematic sampling of tail-mining reclaimed soil, we have done systematic tests and inspections of the vegetables and crops in the area and carefully checked the contents of Pb, Zn, Cu, Cd in the samples by flame atomic absorption spectrophotometry. Then the analysis results were put repeatedly assessed in correspondence with national pollution-controlling standards with the purpose to detennine the pollution level caused by the heavy metals in vegetables and crops produced in the tailing sand and reclaimed fanning soils in addition to probing countermeasures for reducing such pollutions. The results of our experiments indicate that, (1) The reclamation crops and vegetables are totally inedible for its high heavy metal contents. For example, the Pb and Cd content in the spinach vegetable leaves and onion leaves in wastewater irrigation area are 1 910 times and 1 750 times over the national pollution-prevention standards, respectively, whereas the Pb and Cd content in the grain corn are 35 times and 189 times over the national pollution-prevention standards; (2) There exists a significant positive correlation between the heavy metal content and the reclamation vegetables as well as crops with the mine tailing and reclaimed soil. The pollution proves associated with the existence of lead and zinc in the plants at a certain concentration; (3) In the tailing reclamation area, the contents of Pb, Zn, Cu, Cd in wheat were found higher than in soybean and corn. On the contrary, it has also proved that there exists positive correlation between the heavy metal and the growth period of crops; (4) In the tissue of different plants, the degree of the polluted contents of Zn, Cu, Pb, Cd in the root were found higher than in the stem and seed." @default.
- W2372764360 created "2016-06-24" @default.
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- W2372764360 date "2009-01-01" @default.
- W2372764360 modified "2023-09-23" @default.
- W2372764360 title "Research on the current situation of heavy metal pollution in Tailing reclamation area near Anhe River in the deep Qinling Mountains" @default.
- W2372764360 hasPublicationYear "2009" @default.
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