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The sampling sites in the croplands of Raoyang, Guan and Shunyi Counties of the North China Plain and the potential barriers between the sampling sites.
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posted on 2014-06-09, 03:39 authored by Huiliang Xue, Min Zhong, Jinhui Xu, Laixiang XuThe sampling sites in the croplands of Raoyang, Guan and Shunyi Counties of the North China Plain and the potential barriers between the sampling sites.