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[1]TIAN Hong-wei,HUANG Zhi-rong,GAO Zhao-liang,et al.Assessment of Soil Properties and Quality of the Freeway in Road Area of Highway[J].Research of Soil and Water Conservation,2012,19(05):59-64.

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Assessment of Soil Properties and Quality of the Freeway in Road Area of Highway

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 05 Page number: 59-64 Column: Public date: 2012-10-20

Title:: Assessment of Soil Properties and Quality of the Freeway in Road Area of Highway

Author(s):: TIAN Hong-wei¹, HUANG Zhi-rong², GAO Zhao-liang^1,3, LI Yong-hong^1,3, ZHANG Xiao-juan¹, LI Jing¹; 1. College of Resource and Environmental Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Yushugou Reservoir Management Station of Hami District, Hami, Xinjiang 839000, China;
3. Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China

Keywords:: highway area; soil physic-chemical property; highway; correlation analysis

CLC:: S152.7

DOI:: -

Abstract:: In order to study the impact of different disturbance manner and the soil properties of different location road areas, this paper took the embankment, cutting, residue field, shoulders, dug field of five parts of the soil object of study Shaanxi Baoji to Gansu Cattle highway as a case study, measured and analyzed the soil physic-chemical properties of the surface soil samples collected from the case. The results indicated that the two disturbance manner, fill and excavation, had no significant impact on soil texture. Furthermore,moisture content and bulk density showed the case as excavation > fill > natural. Soil moisture bulk density of different parts of the road area showed the case as soil field > cut > roadbed > shoulder > residue field > naturally. And the soil organic matter and total nitrogen content of different parts of the road area followed the order of natural > shoulder > roadbed > cutting residue field>soil field. Soil organic matter, total nitrogen and available potassium content of disturbed soil were lower than natural soil, but the available phosphorus and total phosphorus content were higher than natural soil. In disturbed soil, significantly positive relation was observed between total nitrogen and soil organic matter, inorganic nitrogen and available potassium. Negative relations were observed between total nitrogen and available phosphorus, as well as bulk density and inorganic nitrogen. The soils of road areas were lack of soil organic matter, total nitrogen and total phosphorus, Furthermore, it has a poor soil fertility.

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