Sims J T,Cunningham S D,Sumner M E.Assessing soil quality for environmental proposes:roles and challenges for soil scientists[J].J Environ Qual,1997,26:20-25.
[6]
Bouma J.Soil environmental quality:A European perspective[J].J Environ Qual,1997,26:26-31
[7]
Doran J W,Jones A J (eds).Methods for Assessing Soil Quality[M].SSSA Special Publication Number 49,Soil Sci Soc Am,Wisconsin:Inc.Madison,USA,1996.
[8]
Karlen D L,Mausbach M J,Doran J W,et al.Soil quality:a concept,definition,and framework for evaluation[J].Soil Sci Soc Am J,1997,61:4-10.
[9]
Karlen D L,Andrews S S,Doran J W.Soil quality:Current concepts and applications[J].Adv Agro,2001,74:1-40.
[10]
Lilburne L R,Hewitt A E,Sparling G P,et al.Soil quality in New Zealand:Policy and the science response[J].JEnviron Qual,2002,31:1768-1773.
[11]
Sojka R E,Upchurch D R.Reservations regarding the soil quality concept[J].Soil Sci Soc Am J,1999,63:1039-1054.
[12]
Sojka R E,Upchurch D R,Borlaug N E.Quality soil management or soil quality management:performance versus semantics[J].A dv Agro,2003,79:1-68.
[13]
Sparling G P,Sharpley L A.Soil quality at a national scale in New Zealand[J].J Environ Qual,2002,31:1848-1857.
Lindsay W L,Norvell W A.Development of a DTPA soil test for zinc,iron,manganese,and copper[J].Soil Sci Soc Amer J,1978,42:421-428.
[45]
Quevauviller P,Rauret R,Rubio G,et al.Certified reference materials for the quality control of EDTA-and acetic-extractable contents of trace elements in sewage sludge amended soils (CRMs483 and 484)[J].Fresenius\' j Anal Chem,1997,357:611-618.
[46]
Baker D E,Amacher M C.Nickel,copper,zinc,and cadmium.In:Methods of Soil Analysis (Eds.Page,AL,Miller,RH and Keeney,DR),Part 2,Chemical and Microbiological Methods[J].American Society of Agronomy/Soil Science Society of America,Madison,WI,1982,323-336.
[47]
Chen HM,Ponnamperuma F N.Yield and cadmium concentration of wetland rice grain as affected by addition of cadmium,phosphorous and zinc compounds[J].Phillpp J Crop Sci,1982,7:109-113.
[48]
Novozamsky I,Lexmond T T,Houba V J G.A single extraction procedure of soil for evaluation of uptake of some heavy metals by plants[J].Inter J Environ Anal Chem,1993,51:4-58.
[49]
Sanka M,Dolezal M.Prediction of plant contamination by cadmium and zinc based on soil extraction method and contents in seedlings[J].Inter J Environ Anal Chem,1992,46:87-96.
[50]
Symeonides C,McRae S G.The assessment of plant-available cadmium in soils[J].JEnviron Qual,1977,6:120-123.
[51]
Korcak R F,Fanning D S.Extractability of cadmium,copper,nickel,and zinc by double acid versus DTPA and plant content at excessive soil levels[J].JEnviron Qual,1978,7:506-512.
Soltanpour P N,Swab A P.A new soil test for simultaneous extraction of macro and micro-nutrients in alkaline soils[J].Comm Soil Sci Plant Anal,1977,8:195-207.
[55]
Houba V J G,Lexmond T h M,Novozamsky I,et al.State of the art and future development in soil analysis for bioavailability assessment[J].The Sci Total Environ,1996,178:21-28.
[56]
Menzies N W,Donn M J,Kopittke P M.Evaluation of extractants for estimation of the phytoavailabilable trace metals in soil.Environmental pollution xx,1-10,Available online at www.sciencedirect.com,2006.