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OALib Journal期刊
ISSN: 2333-9721
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徐州城市绿地土壤肥力质量评价
DOI: 10.3969/j.issn.1000-2006.2013.03.011, PP. 60-64
Keywords: 城市绿地,土壤理化特性,土壤肥力,徐州市
Abstract:
通过野外调查和室内分析相结合的方法,研究了徐州市域不同绿地类型下土壤的理化特性。结果表明:徐州城市绿地0～20cm土层的土壤密度平均为1.25g/cm3,≥20～40cm的为1.33g/cm3,60%以上的土壤密度偏大,对城市绿地植物的生长有一定影响;徐州城市绿地土壤总体呈碱性,ph在7.5～8.5的约占93%;土壤有机质、全氮和速效磷含量普遍较低,速效钾含量丰富。0～20cm土壤综合肥力指数(p)大小依次为公园绿地(1.45)、防护绿地(1.42)、道路绿地(1.37)、生产绿地(1.18)、街头绿地(1.17)、附属绿地(1.07)。各个绿地类型0～20cm土壤的肥沃程度均处于中等水平(1.0
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