城市污泥施用对喀斯特石漠化土壤质量的改善
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摘要
为研究城市污泥施用对喀斯特地区石漠化土壤质量的改良效果,以石漠化土壤和城市污泥为试验材料,采用模拟土壤熟化试验,分析了20%～75%比例的污泥添加对土壤持水性能、养分、重金属含量及微生物生物量的影响。结果表明:随着污泥用量的增加,土壤饱和含水率增加了22.04%～67.07%,持水时间延长了5.19～16.25 d;土壤有机碳、氮、磷含量及微生物生物量也显著增加。但土壤微生物生物量不是随污泥施用比例的增加而增加,在污泥施用比例为20%～35%范围内,土壤微生物生物量显著高于高比例的污泥添加。50%～75%的污泥施用还导致Cd和Zn超过土壤质量标准。因此,适量的城市污泥施用可改善土壤持水性能、提高土壤肥力,以20%～35%比例为宜。
In order to assess the impact of municipal sewage sludge(MSS) on soil quality in Karst rocky desertification regions,a simulated soil ripening experiment was conducted,in which soil sampled in a rocky desertification region and MSS collected from a domestic sewage treatment plant were the test materials.Soil water-holding capacity,nutrient content and soil microbial biomass were analyzed in soils added with 20% to 75% of MSS.The results showed that,as the addition rate of MSS increased,saturated water content of soil increased by 22.04%-67.07%,the water-holding time prolonged 5.19-16.25 days,and soil organic carbon,nitrogen,phosphorus and microbial biomass increased significantly.However,the increase of soil microbial biomass was not proportional to the application dosage of MSS.Soil microbial biomass were obviously higher in soils with 20%-35% MSS addition than that with high proportion of MSS.The contents of Cd and Zn even exceeded the standard of soil quality while added with 50%-75% MSS in soil.Therefore,soil water-holding capacity and fertility in rocky desertification region could be improved with suitable dosage of MSS amendment,and low rate application(20%-35%)would take advantage of such effect.
In order to assess the impact of municipal sewage sludge(MSS) on soil quality in Karst rocky desertification regions,a simulated soil ripening experiment was conducted,in which soil sampled in a rocky desertification region and MSS collected from a domestic sewage treatment plant were the test materials.Soil water-holding capacity,nutrient content and soil microbial biomass were analyzed in soils added with 20% to 75% of MSS.The results showed that,as the addition rate of MSS increased,saturated water content of soil increased by 22.04%-67.07%,the water-holding time prolonged 5.19-16.25 days,and soil organic carbon,nitrogen,phosphorus and microbial biomass increased significantly.However,the increase of soil microbial biomass was not proportional to the application dosage of MSS.Soil microbial biomass were obviously higher in soils with 20%-35% MSS addition than that with high proportion of MSS.The contents of Cd and Zn even exceeded the standard of soil quality while added with 50%-75% MSS in soil.Therefore,soil water-holding capacity and fertility in rocky desertification region could be improved with suitable dosage of MSS amendment,and low rate application(20%-35%)would take advantage of such effect.
引文
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[16] 霍晓君,李祯,李胜荣,等.粉煤灰和城市污泥配施改良荒漠土壤的持水性影响研究[J].干旱区资源与环境,2005(6):170-174.
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[22] HANEY I L L,FRANZLUEBBERS A J,PORTER E B,et al.Soil carbon and nitrogen mineralization:Influence of drying temperature[J].Soil Science Society of America Journal,2004,68(2):489-492.
[23] 刘纯甫,赵庆良,孟繁宇,等.污泥改善干旱盐碱化土壤持水与保水能力的研究[C].北京:中国给水排水2013年中国城镇污泥处理处置技术与应用高级研讨会论文集,2013.
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[25] FRANCO-OTERO V G,SOLER-ROVIRA P,HERNáNDEZ D,et al.Short-term effects of organic municipal wastes on wheat yield,microbial biomass,microbial activity,and chemical properties of soil[J].Biology and Fertility of Soils,2012,48:205-216.
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[27] VíCTOR G,FRANCO-OTERO,PEDRO SOLER-ROVIRA,et al.Short-term effects of organic municipal wastes on wheat yield,microbial biomass,microbial activity,and chemical properties of soil[J].Biology and Fertility of Soils,2012,48:205-216.
[28] 夏立江,王宏康.土壤污染及其防治[M].上海:华东理工大学出版社,2001.
[29] 王艮梅,杨丽.污泥施用对林地土壤基本性质及酶活性的影响[J].生态环境学报,2010,19(8):1988-1993.
[30] SCIUBBA L,CAVANI L,NEGRONI A,et al.Changes in the functional properties of a sandy loam soil amended with biosolids at different application rates[J].Geoderma,2014,221-222:40-49.
[31] ANDRéS P,MATEOS E,TARRASóN D,et al.Effects of digested,composted,and thermally dried sewage sludge on soil microbiota and mesofauna[J].Applied Soil Ecology,2011,48:236-242.
[32] SANTOS J A,NUNES L,MELO W J,et al.Tannery sludge compost amendment rates on soil microbial biomass of two different soils[J].European Journal of Soil Biology,2011,47:146-151.
[33] PAZ-FERREIRO J,GASCó G,GUTIéRREZ B,et al.Soil biochemical activities and the geometric mean of enzyme activities after application of sewage sludge and sewage sludge biochar to soil[J].Biology and Fertility of Soils,2012,48:511-517.
[34] SPARLING G P.Ratio of microbial biomass carbon to soil organic carbon as a sensitive indicator of changes in soil organic matter[J].Austtalian Journal of Soil Research,1992,30:195-207.
[35] ASENSIO V F,COVELO E,KANDELER E.Soil management of copper mine tailing soils-sludge amendment and tree vegetation could improve biological soil quality[J].Science of the Total Environment,2013,456-457:82-90.
[2] 宋海燕,张静,赵雅洁,等.不同程度石漠化对金山荚蒾末端小枝的生长和生物量积累及分配的影响[J].植物科学学报,2018,36(1):103-111.
[3] 熊康宁,陈永毕,陈浒.点石成金:贵州石漠化治理技术与模式[M].贵阳:贵州科技出版社,2011:125-139.
[4] 李开平,刘子琦,李渊,等.贵州毕节地区不同石漠化程度土壤理化性质特征[J].水土保持学报,2017,31(4):205-210.
[5] 白莉萍,伏亚萍.城市污泥用于陆地生态系统研究进展[J].生态学报,2009,29(1):416-426.
[6] 储双双,童馨,王文瑞,等.污泥堆肥对黄梁木幼苗生长和元素吸收的影响[J].应用生态学报,2017,28(5):1550-1556.
[7] TU J C,ZHAO Q J,WEI L L,et al.Heavy metal concentration and speciation of seven representative municipal sludges from wastewater treatment plants in Northeast China[J].Environmental Monitoring and Assessment,2012,184:1645-1655.
[8] 刘梦娇,夏少攀,王峻,等.城市污泥农用对植物-土壤系统的影响[J].应用生态学报,2017,28(12):4134-4142.
[9] BOURIOUG M,ALAOUI-SOSSé L,LAFFRAY X,et al.Evaluation of sewage sludge effects on soil properties,plant growth mineral nutrition state and heavy metal distribution in European larch seedlings (Larix decidua)[J].Arabian Journal for Science and Engineering,2014,39:5325-5335.
[10] 莫测辉,蔡全英,王江海.城市污泥在矿山废弃地复垦的应用探讨[J].生态学杂志,2001,20(2):44-47.
[11] ASIK B B,AYDINLP C,KATKAT A V,et al.Effect of the application of various wastewater sludges on the properties of sandy soil[J].Environtal Monitory Assessment,2015,187(2):30.
[12] BAI Y C,ZANG C Y,GU M J,et al.Sewage sludge as an initial fertility driver for rapid improvement of mudflat salt-soils[J].Science of Total Environment,2016,578:47-55.
[13] BAKER L R,WHITE P M,PIERZYNSKI G M.Changes in microbial properties after manure,lime,and bentonite application to a heavy metal-contaminated mine waste[J].Applied of Soil Ecology,2011,48:1-10.
[14] CERQUEIRA B,VEGA F A,SILVA L F,et al.Effects of vegetation on chemical and mineralogical characteristics of soils developed on a decantation bank from a copper mine[J].Science of Total Environment,2012,421-422:220-229.
[15] LIU X,GUO K,HUANG L,et al.Responses of absolute and specific enzyme activity to consecutive application of composted sewage sludge in a Fluventic Ustochrept[J].PLoS ONE,2017,12(5):e0177796.
[16] 霍晓君,李祯,李胜荣,等.粉煤灰和城市污泥配施改良荒漠土壤的持水性影响研究[J].干旱区资源与环境,2005(6):170-174.
[17] 鲁如坤.土壤农业化学分析法[M].北京:北京农业科技出版社,1999.
[18] 罗海波.喀斯特石漠化过程中土壤质量变化研究:以贵州花江峡谷为例[D].重庆:西南大学,2006.
[19] 张鸿龄.鞍山铁矿区无土排岩场植物修复试验研究[D].北京:中国科学院研究生院,2008.
[20] ZABLODSI Z.Physical and chemical changes in sewage sludge-amended soil and factors affecting the extract ability of selected macroelements[J].Agriculturae Stetinensis,1998,69:91-104.
[21] ZEBARTH B J,NEILSEN G H,HOUGE E,e1 al.Influence of organic waste amendments on selected soil physical and chemical properties[J].Canadian Journal of Soil Science,1999,79:501-504.
[22] HANEY I L L,FRANZLUEBBERS A J,PORTER E B,et al.Soil carbon and nitrogen mineralization:Influence of drying temperature[J].Soil Science Society of America Journal,2004,68(2):489-492.
[23] 刘纯甫,赵庆良,孟繁宇,等.污泥改善干旱盐碱化土壤持水与保水能力的研究[C].北京:中国给水排水2013年中国城镇污泥处理处置技术与应用高级研讨会论文集,2013.
[24] NAVAS A,BERMUDEZ F,MACHIN J.Influence of sewage sludge application on physical and chemical properties of Gypsisols[J].Geoderma,1998,87:123-135.
[25] FRANCO-OTERO V G,SOLER-ROVIRA P,HERNáNDEZ D,et al.Short-term effects of organic municipal wastes on wheat yield,microbial biomass,microbial activity,and chemical properties of soil[J].Biology and Fertility of Soils,2012,48:205-216.
[26] USMAN A A,KUZYAKOV Y,STAHR K.Dynamics of organic C mineralization and the mobile fraction of heavy metals in a calcareous soil incubated with organic wastes[J].Water,Air,and Soil Pollution,2004,158:401-418.
[27] VíCTOR G,FRANCO-OTERO,PEDRO SOLER-ROVIRA,et al.Short-term effects of organic municipal wastes on wheat yield,microbial biomass,microbial activity,and chemical properties of soil[J].Biology and Fertility of Soils,2012,48:205-216.
[28] 夏立江,王宏康.土壤污染及其防治[M].上海:华东理工大学出版社,2001.
[29] 王艮梅,杨丽.污泥施用对林地土壤基本性质及酶活性的影响[J].生态环境学报,2010,19(8):1988-1993.
[30] SCIUBBA L,CAVANI L,NEGRONI A,et al.Changes in the functional properties of a sandy loam soil amended with biosolids at different application rates[J].Geoderma,2014,221-222:40-49.
[31] ANDRéS P,MATEOS E,TARRASóN D,et al.Effects of digested,composted,and thermally dried sewage sludge on soil microbiota and mesofauna[J].Applied Soil Ecology,2011,48:236-242.
[32] SANTOS J A,NUNES L,MELO W J,et al.Tannery sludge compost amendment rates on soil microbial biomass of two different soils[J].European Journal of Soil Biology,2011,47:146-151.
[33] PAZ-FERREIRO J,GASCó G,GUTIéRREZ B,et al.Soil biochemical activities and the geometric mean of enzyme activities after application of sewage sludge and sewage sludge biochar to soil[J].Biology and Fertility of Soils,2012,48:511-517.
[34] SPARLING G P.Ratio of microbial biomass carbon to soil organic carbon as a sensitive indicator of changes in soil organic matter[J].Austtalian Journal of Soil Research,1992,30:195-207.
[35] ASENSIO V F,COVELO E,KANDELER E.Soil management of copper mine tailing soils-sludge amendment and tree vegetation could improve biological soil quality[J].Science of the Total Environment,2013,456-457:82-90.