urban soil

Based on the basic data of city forest, using sophisticated data analysis model, urban forest air cleaning, protection of soil and fertility, and other ecological benefits were calculated, as well as the economic benefits generated in accordance with the theory of market value.

根据城市森林的基础数据，采用了成熟的数据分析模型，对城市森林的净化空气、护土保肥等生态效益进行了计算，并依照市场价值理论计算城市森林产生的经济效益。

A Study on the Thermal Field of the Soil in Urban Forest

城市森林土壤温度场的特征

At last, appeal for strengthen study on soil loss tolerance of the urban soil and water bss.

并以此起到抛砖引玉的作用，呼吁加强对城市水土流失允许侵蚀量T值的研究。

Urban information change is an important problem relation to our country long time development, it's importance nothing less than water resource problem, food provision problem and soil employ problem.

城市信息化是关系到国家长远发展的重大问题，其重要性决不亚于水资源问题、粮食问题和土地问题。

Preliminary Study on Gradation Index System of Urban Soil and Water Loss Intensity

城市水土流失强度分级指标体系初探

Soil loss tolerance of urban soil and water loss

浅谈城市水土流失的土壤允许侵蚀量T值

Primary soil investigation report of urban greenery

城市园林绿地土壤调查简报

New thinking about appraisement and inspecting of Hg environmental geochemical anomalies in soil around urban

城镇区土壤中Hg环境地球化学异常查证及评价新思路

Design and Development of the Urban Soil Erosion Geographical Information System

城市水土流失地理信息系统设计与开发

In order to study the effect of organic mulch on soil in urban green space, field observation and control experiment were designed in this dissertation.

为了解有机覆盖物对城市绿地土壤的影响，本研究设计了野外观测和控制试验两个部分进行探讨。

Distribution of heavy metal in urban soil of Urumqi City

乌鲁木齐城市土壤中重金属分布

Function and value analysis of water conservation , soil and fertility maintenance of urban forest in Guangzhou.

广州城市森林涵养水源、固土保肥的功能及价值分析.

The reason for this is that the urban soil is rich in foreign material from human trample, mechanical rolling affect is serious, leading to soil physical structure change.

其原因是城市土壤中外来物含量丰富，受人为踩踏、机械碾压影响严重，导致土壤物理结构改变。

Contents and Densities of Soil Organic Carbon in Urban Soils in Different Function Areas of Kaifeng

开封市不同功能区城市土壤有机碳含量与密度分析

Study of Urban Forests and Rate of Water and Soil Loss

城市森林水土流失的研究