Soil Cd土壤Cdsoiln.土地；土壤；污物，粪便v.弄污soil purification rate土壤净化率soil temperature grade地表反照率soil aquifer treatment土壤含水层处理soilmoisture condition土壤墒情soil microbial numbers土壤微生物数量soil biaomass nitrogen土壤微生物体氮soil hygroscopic water土壤吸湿水soil improvement agent土壤改良剂soil body displacement土体变位soil carrying capacity携污容量