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Contour hedgerow intercropping in the mountains of China: a review

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Abstract

Hedgerow intercropping systems were introduced in China in early 1990s. Achievements in research and extension of contour hedgerow intercropping in China during the past 15 years are reviewed here. Results reported in over 70 published papers have shown that hedgerow intercropping contributes to soil and water conservation, soil fertility amelioration, land productivity improvement, bio-terrace formation, and gives more options for income generation based on local resources in mountain areas. Research and demonstration works on contour hedgerow systems have achieved success by integrating local resources and needs into the system, especially in the dry valleys of the upper reaches of the Yangtze River, and the Three Gorges region. Contour hedgerow intercropping has attracted the attention of researchers, policy-makers, and farmers, and has been taken as an alternative to implementation of the Grain for Green policy, and ecological reconstruction and restoration today. To date, hedgerow intercropping has been demonstrated and applied practically on sloping land in more than six provinces of China, particularly Sichuan, Guizhou, Shanxi, Shaanxi, as well as in the Three Gorges region of Chongqing and Hubei Province. The intercropping system has also been practiced as an optimized technology for conserving farming on sloping lands, improving cash income, and reducing agricultural risks in depressed mountainous regions in southwest and northern China over recent years. Some misunderstandings and problems in studies and extension of the system in China are summarized and clarified, and some recommendations for further research and expansion of the system are also presented in this paper.

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Acknowledgements

The authors gratefully acknowledge the anonymous reviewers for their helpful comments on the manuscript. This work is financially supported by the National Basic Research program of China (Grant No. 2005CB422006), and Appropriate Technology for Soil Conserving in Farming System (ATSCFS) Project from the International Center for Integrated Mountain Development (ICIMOD).

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  1. Department of Environmental Science and Engineering, Sichuan University, 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610065, P.R. China

    Hui Sun, Ya Tang & Jiasui Xie

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  1. Hui Sun
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Sun, H., Tang, Y. & Xie, J. Contour hedgerow intercropping in the mountains of China: a review. Agroforest Syst 73, 65–76 (2008). https://doi.org/10.1007/s10457-008-9113-x

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