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EFFECTS OF LAND USE ON SOIL QUALITY ON THE LOESS PLATEAU IN NORTH-WEST SHANXI PROVINCE

文献类型： 外文期刊

作者： Zhang, Qiang 1 ; Wang, Li 1 ; Ji, Ruirui 1 ; Yang, Zhiping 1 ; Zhang, Jianjie 1 ;

作者机构： 1.Shanxi Acad Agr Sci, Inst Soil & Fertilizer, Taiyuan 030031, Shanxi Province, Peoples R China

2.Shanxi Univ, Inst Loess Plateau, Taiyuan 030031, Shanxi Province, Peoples R China

3.Shanxi Province Key Lab, Soil Environm & Nutrient Resources, Taiyuan 030031, Peoples R China

4.Shanxi Province Key Lab, Soil Environm & Nutrient Resources, Taiyuan 030031, Peoples R Chi

关键词： Loess Plateau;Land use;Soil quality;Caragana microphylla

期刊名称：COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE II, VOL 1

ISSN： 1571-5736

年卷期： 2009 年 293 卷

页码：

收录情况： SCI

摘要： Northwest Shanxi is located at the eastern border of the Loess Plateau. In order to guard against wind, to conserve water and soil, to fix sand, a large area of Caragana microphylla was planted in the hilly loess plateau in the north-west Shanxi province during the 1960s. To investigate how these measures affected soil properties and ultimately soil quality, a case study was conducted in Wuzhai (North-west Shanxi Province). Soil samples were collected from adjacent Caragana microphylla land, farm land, poplar forests, fallow land and mixed plantations of Caragana microphylla and poplar. Initially, soil properties under the five land-uses were studied separately. Then an evaluation indicator system was developed according to the principle of evaluation indicator selection. Subsequently, the method of multivariate analysis was used to carry through a complete scientific evaluation. Results showed a significant influence of land-use oil soil properties. The value of SQI was the highest under the mixed plantation and, compared with the mixed plantation,the SQI of farmland decreased greatly. The SQI of fallow land was the lowest, but considering the soil nutrient content, land fallowing improved soil fertility to some extent. It was further shown that growing Caragana microphylla and mixed polar and Caragana microphylla plantation was the most Sustainable ways of developing the loess plateau.

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