Changes in nitrogen budget and potential risk to the environment over 20 years (1990-2010) in the agroecosystems of the Haihe Basin, China
Mengmeng Zheng
,
Mengmeng Zheng
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Hua Zheng

,
Hua Zheng
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Yingxia Wu
,
Yingxia Wu
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;Wuhan University of Technology, Wuhan 430070, China
Yi Xiao
,
Yi Xiao
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Yihua Du
,
Weihua Xu
,
Weihua Xu
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Fei Lu
,
Fei Lu
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Xiaoke Wang
,
Xiaoke Wang
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Zhiyun Ouyang
Zhiyun Ouyang
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- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
DOI:
10.1016/j.jes.2014.05.053
Received March 18, 2014,Revised June 13, 2014, Accepted , Available online February 10, 2015
Volume 27,2015,Pages 195-202