周年施氮对冬小麦-夏大豆轮作产量及土壤氮素含量的影响
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Effects of Annual Nitrogen Application on Winter Wheat-Summer Soybean Rotation Yield and Soil Nitrogen Content
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核农学报 . 2021, (5): 1178 -1187 .  DOI: 10.11869/j.issn.100-8551.2021.05.1178