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沈阳市近郊大田土壤微量元素变化趋势调查
崔永峰,李纪柏
Variation Trend of Field Trace Elements in Suburbs of Shenyang
Cui Yongfeng and 李纪柏
中国农学通报 . 2016, (28): 166 -169 .  DOI: 10.11924/j.issn.1000-6850.casb16030123