BACKGROUND VALUES AND TREND DISTRIBUTION OF Cu, Zn AND Ni IN SOILS IN CHINA
- Publish Date: 1992-12-20
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Key words:
- Soil /
- Background values of Cu Zn and Ni /
- trend distribution
Abstract: The background values of Cu, Zn and Ni are discussed based on the analytical data of 21 main soil types collected from various regions in China. According to statistics of many samples, the background value of Cu is 23.4±10.2 mg/ kg (482 samples), Zn 77.9±2.39 mg/ kg (474 samples), Ni 30.0±12.8 mg/kg (482 samples).
Citation: | Wang Jinghua. BACKGROUND VALUES AND TREND DISTRIBUTION OF Cu, Zn AND Ni IN SOILS IN CHINA[J]. Chinese Geographical Science, 1992, 2(4): 357-366. |