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Effects of Fertilization on the Composition of δ15N in Soil, Vegetables and Runoff of Vegetable Field
Zhang Lijun, Hu Yanfang, Wang Jingwen, Zhang Mingkui
Journal of Agriculture . 2021, (7): 28 -31 .  DOI: 10.11923/j.issn.2095-4050.cjas20190900203