施氮时期对大豆结瘤和生长的影响-《江苏农业科学》

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Title:: Effects of nitrogen application period on nodulation and growth of soybean

作者:: 寸植贤; 李春苇; 汤东生; 秀洪学; 云南农业大学植物保护学院，云南昆明 650201

Author(s):: Cun Zhixian; et al

关键词:: 大豆; 结瘤; 氮肥; 施肥时期; 植物生长

Keywords:: -

分类号:: S565.106

DOI:: -

文献标志码:: A

摘要:: 通过在大豆不同生长期施入相同数量的氮素，比较各处理对大豆结瘤和生长的影响。结果表明，氮肥施用时期对大豆生长的影响差异不明显，但对大豆结瘤影响差异较大，其中，氮肥以底肥施入或在种子萌发后20 d施用，大豆的结瘤能力最强，且最高结瘤期为萌发后65 d。通过改变氮肥的施用时间，最大限度提高大豆的结瘤固氮能力，可以保障大豆的产量。

Abstract:: -

参考文献/References:

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