Effects of municipal sewage sludge applications on chemical properties and metal contents in poplar soil
XIN Tao, BAI Liping, SONG Jinhong, LU Zhenlan, FU Yaping
Ecology and Environment . 2010, (11): 2722 -2727 .  DOI: 10.16258/j.cnki.1674-5906(2010)11-2722-06