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JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI  2013, Vol. 30 Issue (6): 1-4    DOI: 10.3969/j.issn.1001-5485.2013.06.001
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Spatial-Temporal Characteristic of Agricultural Non-point Source Nitrogen and Phosphorous Pollution in Guizhou
ZHENG Jian, HAN Hui-qing, CAI Guang-peng, GAO Hong-juan

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