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In order to study the impact of Pb, Cd, Zn, and Cu released by Pb-Zn tailings on soil enzymes and soil properties involving soil carbon and nitrogen cycle processes, 32 soil samples were collected from 2 different types of agricultural fields (one for growing corn and one for growing rice) contaminated by Pb-Zn tailings close to Sidi village in southwestern China. The results revealed that the paddy...
In order to assess the spatial distribution and the potential pollution risk of nickel (Ni) and vanadium (V) in Shuangtaizi Estuary in China, the water and the surface sediments were collected to determine V and Ni content in specified sites. The data indicated that the estuary was contaminated by Ni, while V content was low. Total concentrations of V in river water ranged from 0.212 to 0.374 μg/L,...
To understand the effects of geomorphology and environment on the 13C character of soil organic carbon (SOC) in a hilly karst area, 26 soil samples were collected in 2008 in Nanchuan, Chongqing, SW China. The results showed that the δ13C-SOC values were between -18.66‰~-27.41‰, with the mean value of -23.3‰. The data firmly indicated that the modern soil organic carbon was the mixture of C3 and C4...
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