QI Fang-yan,YU Fa-zhan,LI Bao-jie.Analysis of Physicochemistry Properties and Nutrient Characteristics of Greenbelt Soils of Different City Zones in Northern Jiangsu Province[J].Research of Soil and Water Conservation,2010,17(02):90-93,99.
苏北地区各城市绿地土壤的理化性状相关性分析
- Title:
- Analysis of Physicochemistry Properties and Nutrient Characteristics of Greenbelt Soils of Different City Zones in Northern Jiangsu Province
- Keywords:
- urban greenery plot; physicochemistry property; soil nutrient; correlation pattern; northern Jiangsu province
- 分类号:
- S153
- 摘要:
- 为了促进生态化城市建设和保证区域城市的可持续发展，对区域城市之间绿地土壤理化性状作一系统研究。运用GPS定位对苏北地区的徐州、连云港、宿迁、淮安、盐城等5个代表城市各绿地土壤的理化性状进行取样分析，结果表明：该地区各城市绿地土壤容重不1.35～1.57 g/cm3，明显高于当地一般的农林业土壤或自然土壤；土壤硬度大致在10.46～21.55 kg/cm2，基本能够满足当地植物生长发育的需要；土壤有机质含量0.79%～1.20%、全氮0.061%～0.087%、全磷0.048%～0.072%、全钾1.690%～1.981%，低于当地农业土壤相应含量，并且其有效养分含量不均；土壤pH值8.04～8.63，明显向碱性的方向演变。另外，该地区土壤养分及化学性质间有一定的相关性，各指标间总体相关性大小顺序为：宿迁>盐城>淮安>徐州>连云港。
- Abstract:
- In order to promote the construction speed of urban ecologicalization and the sustainable development of region cities, the physicochemistry properties of sampled soil of greenbelt in Xuzhou, Lianyungang, Suqian Huai’an, and Yancheng five representative cities in northern Jiangsu Province were analyzed in this paper with the help of Global Position System. The results showed that the bulk density of the greenbelt soil in every local samping area is between 1.35 g/cm3 and 1.57 g/cm3, which is larger than that of local agriculture soil and forest soil or natural soil obviously. The soil hardness is approximately about 10.46～21.55 kg/cm2, which can satisfy the growth of the local plants basically. The contents of organic matter is about between 0.79% and 1.20%, the total nitrogen is about 0.061%～0.087%, the total phosphorus is about 0.048%～0.072% and the total K is about between 1.690% and1.981%, which is lower than that of agriculture soil and the contents of available nutrient isnot average. The value of pH is 8.04～8.63, which partial to alkalescence. Besides, there is certain correlation between the soil nitrogen and chemic character. The sequence of collectivity correlation is Suqian > Yancheng > Huaian > Xuzhou > Lianyungang.
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备注/Memo
收稿日期:2009-9-11。
基金项目:徐州师范大学科研重点基金（08XLA10）
作者简介:齐芳燕（1973- ），女，硕士，从事生态环境规划方面的研究。E-mail：qifangyan01@126.com