Characterization of Soil Quality Under Vegetable Production Along an Urban-Rural Gradient

查看全文 作　　者：ZHANG MINGKUI, WANG MEIQING, LIU XINGMEI, JIANG HONG and XU JIANMINGCollege of Resource and Environmental Sciences, Zhejiang University, Hangzhou 310029 (China)

出　　处：《Pedosphere》索引2003年第13卷第2期,共8页

基　　金：Project supported by the National Key Basic Research Support Foundation (NKBRSF) of China (No. 1999011809). 摘　　要：Human activity and urbanization result in urban-rural environmental gradients. Understanding effect of the gradients on soil properties is necessary for management of the soils around urban areas. In this study, soil quality of some vegetable fields was characterized along an urban-rural gradient in Shaoxing County, Zhejiang Province. Fifteen soil physical and chemical properties were evaluated by using principal component analysis.Results showed that there was a great variation in the soil quality along the gradient. From rural to urban zones, soil organic matter, water-stable aggregates, cation exchangeable capacity (CEC), total N and P, and available K increased, whereas soil pH value decreased. In addition, Pb, Cu, Ni, Co, Zn and Cr in the soils tended to be accumulated toward the urban zone. Sequential chemical extraction showed that mobility of all the heavy metals in the soils tended to increase from the rural to the urban zones. The variation of soil properties accounted for by the first principal component was significantly explained by the difference in application rates of municipal wastes. 关键词：主成分分析土壤质量城市农村蔬菜生产土壤成分人类活动城市化土壤化学性质土壤物理性质

相关文献

参考文献（10）
引证文献（55）
耦合文献（0）

参考文献(10)

引证文献(55)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Characterization of Soil Quality Under Vegetable Production Along an Urban-Rural Gradient

参考文献(10)

引证文献(55)

用户提示