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Zigui County are located in the Three Gorges reservoir area library first, the Fuxin and Tail Strip, Chongqing Zhongxian Jiangjin expand the the hedgerow survey findings found six species Lei (citrus, pear, pepper, Huang Jing, mulberry , Gynura) is more common. By comparison hedgerow soil physical and chemical properties, root condition and soil and water conservation features and hedgerow input ratio, the output value of the land utilization and labor utilization analysis of the ecological, economic and social benefits of the hedgerow. Follow the principle of analytic hierarchy process to establish a total of 10 indicators, from the ecological, economic and social aspects of the Three Gorges Reservoir Area hedgerow benefit evaluation index system. Entropy method and expert ratings combined to calculate the overall index weight. Common hedgerow object to the use of the method of Entropy their benefit evaluation. The purpose of this study is to appropriate screening for the Three Gorges Reservoir Area, has a high ecological, economic and social benefits of hedgerow building programs. The main conclusions are as follows: with sloping land, the Hedgerows soil physical and chemical properties as well as soil Soil and Water Conservation characteristics are improved to varying degrees. The Huang Jing class hedgerows soil organic matter (10.35 g · kg-1), total N (0.86 g · kg-1), hydrolyzed nitrogen (122.84mg · kg-1), potassium (17.16 g · kg-1) content and total phosphorus (7.68g · kg-1), in the pear class hedgerows soil available potassium (795.92 mg · kg-1) in the highest soil available phosphorus (46.44 mg · kg-1) to citrus highest hedgerow soil content of the highest, mulberry class in the hedgerow soil cation exchange capacity (198.06 mmol · kg-1). The the Vitex negundo class hedgerow soil lowest density (1.03 g · cm-3), soil saturated hydraulic conductivity (65.51 mm · h-1), soil moisture after mulberry class hedgerow, is 42.96%. Pear class hedgerow soil erosion resistance of 86.89L · min · g-1, followed by pepper, Gynura, Huang Jing, citrus and mulberry. Six kinds of hedgerows in yellow wattle and citrus hedgerows significantly increase the corrosion resistance of the soil, water stability index of 33.18% and 32.27%, respectively. Ridge-planting hedgerows the new value of $ 0.06 · hm-2-6.35 stem $ hm-2 output to input ratio between 0.15-5.0. The sloping land planting hedgerows improve land utilization 0.05-0.18 increasing labor utilization 0.08-0.98. The ecological benefits best Huang Jing class hedgerow, Gynura class worst; economic benefits of pepper plants Lei highest, Huang Jing class hedgerow minimum; social benefits to mulberry class hedgerow best, Gynura class The hedgerow worst. Comprehensive benefits pepper plants Lei highest, followed by Mulberry, Huang Jing, citrus, pear hedgerow, Gynura class hedgerow worst.
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