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This study was aimed to assess the levels of selected heavy metals and herbicides in soils under different land usage and plant products from an agricultural area of Tieling district, Liaoning Province, China. Cd, Pb, atrazine, acetochlor and butachlor were analyzed from maize, paddy and vegetable field. Cd concentrations in 40% of vegetable soils and 6.67% of rice soils were higher than "Environmental...
Environmental quality of reclaimed soil is a key issue in the process of land construction and ecology rehabilitation. Taking Xinzhuangzi and Datong reclamation district for example, according to Nemerow Pollution Index Method, results show that: In all 30 soil samples, 28 samples are I class level, clean; 1 sample is II class level, slightly clean; 1 sample is III class level, polluted slightly....
Ten sites along the XiJiang River (WuZhou section), China were sampled to evaluate the copper (Cu), Zinc (Zn), lead (Pb), cadmium (Cd), and chromium (Cr) concentrations in sediments. The order of total metal concentrations in sediment samples was found to be Zn>Cu>Cr>Pb>Cd. The approach of Hakanson potential ecological risk index was used for the ecological risk assessment. Compared to...
The Yangtse delta area is one of the most rapidly developing areas in China. There are mega-cities like Nanjing and the surrounding urban areas of different sizes. As a traditional historical and industrial city, Nanjing city was investigated for heavy metals in its soil. Based on spatial characteristic of Nanjing City, 12 samples were regarded as descriptions of different function zone in urban area...
Soil samples were collected from farmland near a Pb-Zn factory in a karst area of Guangxi. The Zn, Pb, Cd, Hg, Cu, Ni, As, and Cr content of these samples were determined. The spatial distributions of these heavy metals, as well as the key factors affecting the distribution of the contamination, were examined. The results revealed that the means of Zn, Pb, Cd, and Hg concentrations in the samples...
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