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Changes in nitrogen budget and potential risk to the environment over 20 years (1990-2010) in the agroecosystems of the Haihe Basin, China 期刊论文
Journal of Environmental Sciences, 2015, 卷号: 28, 期号: 02, 页码: 195-202
作者:  Zheng Mengmeng;  Zheng Hua;  Wu Yingxia;  Xiao Yi;  Du Yihua
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