重庆市渝中区市街绿地土壤理化性质分析.pdfVIP

0fAnhui J：12348—12349 责任编辑罗芸责任校对李洪 安徽农业科学。j眦d A驴．Sei．20嘴，36(28 重庆市渝中区市街绿地土壤理化性质分析 丁武泉 (重庆文理学院化学与环境科学系，重庆402168) 摘要[目的]了解重庆市园林土壤的质量状况。[方法]分析重庆市渝中区道路绿地、街旁绿地的土壤理化性质，按重庆市园林栽植土 势或已经发生盐害。重庆市街绿地土壤客重在o．84一1．77 mg／m3，个别地区的土壤容重过高。渝中区园林土壤中混有大量碎石、瓦块、 水泥等建筑废弃物，使其保水保肥能力较差。重庆市街园林土壤碳酸盐舍量平均值为(17．3zl：17．1)∥k，是自然土壤的3倍多。[结论] 重庆市渝中区市街绿地土壤总体质量不高，一级土占总数的IO．4％，二级土占总数的39．6％．三级土占总数的50．o％。 关键词 园林土壤；市街绿地；土壤质量 中图分类号S153文献标识码A 文章编号晒17—6611(加呕)28—12348—02 Urban OR of C,reml，eIt District AnalysisPhysical枷Q唧r蚓lrovertIesS胡如Yimhongoia埘瑚啦City DING of andEnvironmental ofArtsand WUquart(DepartmentChemistry Science，a跏鲥ngUniversity Seience，Cho删ng402168) 1heaimwas10underslandthe soil andchemical 删【ObjectiveJ qualitr st帅of峨soilin峨city．[Method]1llephysical p删∞ ofmad and in district andthe evaluation to吐醑 grMdaeltst嘲greenbeltYuzhongof《hon日qjngcity唧analyzedo口“蝉抵ivequaUty w硇madeaccora．mg soil of soil valuein between6．2and plantingqualjty$1／tndard0l咖秤flg】ar姆．【l诚tlt]11lepH s删greenbeltofQm嘶Ilgcity啪s 8．5，73．4％soil 啪salkalineand53．2％soilshowedthesalinizationOrhadoccurredsalt bulk inslYeet of wasbetween0．84 injury．Ⅱ℃soildensity greenbeltCllongq诹city 1．77 thatinseveralar嘶WaStOO had waste dealof and 埘昏／11I，and rag／I—and hiO,．Therebuilairlgsuch鹊agreat detritm。tilecementⅡixedin】aⅨiscape soilof madeⅡ1ewaterandfertilizer ofI Yunhongdistrict，which poorer．TheaIIbⅢ埴teeonlerltinJarldsc印esoft hon薄-ngwas E怕酶eapaelty average c