Smith C J,Hopmans P,Cook F J.Accumulation of Cr,Pb,Cu,Ni,Zn and Cd in soil following irrigation withtreated urban effluent in Australia.Environmental Pollution,1996,94(3):317~323.
[3]
Wang Z,Chang A C,Wu L,et al.Assessing the soil quality of long-term reclaimed wastewater-irrigated cropland.Geoderma,2003,114(3-4):261~278.
[4]
Richards B K,Steenhuis T S,Peverly J H,et al.Metal mobility at an old,heavily loaded sludge application site.Environmental Pollution,1998,99(3):365~377.
Nyamangara J,Mzezewa J.The effect of long-term sewage sludge application on Zn,Cu,Ni and Pb levels in a clayloam soil under pasture grass in Zimbabwe.Agriculture,Ecosystems &Environment,1999,73(3):199~204.
[13]
中华人民共和国国家统计局. 中国统计年鉴(2008).北京:中国统计出版社, 2008.
[14]
北京市统计局. 北京统计年鉴(2009).北京:中国统计出版社, 2009.
[15]
Aleem A,Isar J,Malik A.Impact of long-term application of industrial wastewater on the emergence of resistancetraits in Azotobacter chroococcum isolated from rhizospheric soil.Bioresource Technology,2003,86(1):7~13.
[16]
Anikwe M,Nwobodo K.Long term effect of municipal waste disposal on soil properties and productivity of sitesused for urban agriculture in Abakaliki,Nigeria.Bioresource Technology,2002,83(3):241~250.
[17]
M ller A,M ller H W,Abdullah A,et al.Urban soil pollution in Damascus,Syria:Concentrations and patternsof heavy metals in the soils of the Damascus Ghouta.Geoderma,2005,124:63~71.
[18]
Baveye P,McBride M B,Bouldin D,et al.Mass balance and distribution of sludge-borne trace elements in a siltloam soil following long-term applications of sewage sludge.The Science of the Total Environment,1999,227(1):13~28.