4Wienhold B J,Andrews S S,Karlen D L.Soil quality:A Review of the Scienceand Experiences in the USA[J].Environmental Geochemistry and Health,2004,26:89-95.
5Zornoza R,Mataix S J,Guerrero C,et al.Evaluation of Soil Quality UsingMultiple Lineal Regression Based on Physical,Chemical and Biochemical Prop-erties[J].Science of the Total Environment,2007,378:233-237.
6Jimenez P M,Horra M A,Pruzzo L,et al.Soil Quality:A new Index Based onMicrobiological and Biochemical Parameters[J].Biol Fertil Soils,2002,35:302-306.