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Comparative Analysis of Agrochemical Pollution Intensity at County Level between East and West China ──A Case Study of Pingdu City in Shandong Province and Yanchi County in the Ningxia Hui Autonomous Region
Wu Jinfeng,Wang Xiuhong and Guo Yuesheng
Chinese Agricultural Science Bulletin . 2015, (14): 193 -199 .  DOI: 10.11924/j.issn.1000-6850.casb15010176