尹浩冰,马红媛,梁正伟

• 1:中国科学院东北地理与农业生态研究所
• 2:中国科学院大学
• 3:中国大安碱地生态试验站

摘要(Abstract)：

稳定性同位素标记技术在生态学的诸多研究领域中有着广泛应用,其中15N标记技术在草地生态系统氮素循环研究中发挥了重要作用。本文综述了15N标记技术在国内外草地生态系统中生物固氮、氮肥的去向和利用、氮素在土壤中的转化以及氮素损失方面的研究现状及进展,并对存在的问题和前景进行了分析和展望,为更好的利用氮肥、充分发挥草地生产潜力提供理论依据。图1,参53。

关键词(KeyWords)： 草地;(15)~N标记;氮循环;同位素;氮固定;硝化作用

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41271522,41001027);; 中国科学院知识创新工程重要方向项目(KZCX2-YW-359-2)

作者(Author): 尹浩冰,马红媛,梁正伟

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