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1、农业环境科学学报2009,28(1):199-203JournalofAgro-EnvironmentScience施用污泥堆肥对土壤环境及高羊茅生长的影响1，21111刘强，陈玲，黄游，邱家洲，赵建夫（1.同济大学污染控制与资源化研究国家重点实验室，上海200092；2.井冈山大学生命科学学院，江西吉安343009）摘要：以上海曲阳水质净化厂污泥堆肥为研究对象，采用盆栽和土柱模拟的方法研究了污泥堆肥土地利用对土壤环境和植物生长的影响。结果表明，污泥堆肥和滩涂土混配后可降低土壤pH值，提高土壤养分含量，增加高羊茅生物量，同时也增加了土壤Pb、Cu和Zn3种
2、重金属元素含量，但各混合土壤中重金属含量均远低于土壤环境质量Ⅱ类标准。另外，污泥堆肥混配土壤基本不存在病原菌扩散的风险；土柱淋溶试验表明，污泥堆肥施用比例为10%时，不会导致地下水NO3-N和重金属含量超过地下水Ⅱ类标准。综上，污泥堆肥施用比例只要控制在10%以内，可安全进行土地利用。关键词：污泥堆肥；土壤环境；高羊茅中图分类号：S141.4文献标志码：A文章编号：1672-2043(2009)01-0199-05EffectsofApplicationofSewageSludgeCompostonSoilEnvironmentandFestucaarun
3、dinaceaSchrebLIUQiang1,2,CHENLing1,HUANGYou1,QIUJia-zhou1,ZHAOJian-fu1（1.StateKeyofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China;2.CollegeofLifeSciences,JinggangshanUniversity,Ji’an343009,China）Abstract：EffectsoflandutilizationofShanghaiQuyangsewagesludgec
4、ompostonsoilenvironmentandtallfescue（FestucaarundinaceaSchreb）growthwerecarriedoutbyusingpotscaleexperimentsandleakagefacilities.Theresultsshowedthatmixtureofsludgecompost-soilsimulatingtheapplicationonlanddecreasedpH,increasedcontentsofnutrientelementsincludingtotalnitrogen,total
5、phosphorus,organicmatterandavailableformsofnitrogen,phosphorusinthesoil.Biomassoftallfescue（FestucaarundinaceaSchreb）during5.5-monthcultiva－tionperiodwasincreasedby319.3%,426.9%and178.0%withsewagesludgecompostapplicationratiosof5%,10%and20%,respectively.Ingeneral,mixtureofsludgeco
6、mpost-soilsignificantlyincreasedthelevelofPb,Cu,Zninthesoil,buttheseconcentrationsweresignifi－cantlyunderthe2ndgradenationalenvironmentalqualitystandardforsoils.Inaddition,thereisnoriskofcontaminationofpathogenicbac－teriainmixedsoils.Soilcolumnleakageexperimentsindicatedthatthecon
7、tentsofNO3-Nandheavymetalsdonotsurpassthe2ndgradenationalqualitystandardforgroundwaterwith10%applicationrateofsewagesludgecompostinthemixedsoil.Inaword,thesewagesludgecompostcanbesafelyappliedtolandaslongastheapplicationrateofsewagesludgecompostwascontrolledfewerthan10%.Keywords：s
8、ewagesludgecompost;soilenvironmen
