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农田土壤中氮的环境指标研究
田 艳,马友华,胡宏祥,吴蔚君,徐云连,赵学敏,龚 娟,Awais
Environmental Indicator of Soil Nitrogen in Farmland
田 艳,马友华,胡宏祥,吴蔚君,徐云连,赵学敏,龚 娟 and Awais
中国农学通报 . 2017, (7): 142 -147 .  DOI: 10.11924/j.issn.1000-6850.casb16050017