]*>","")" /> A Study on the Relationship between Bollworm,Occurrence of Natural Enemies and Application Ferilizer
Xinjiang Agricultural Sciences

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A Study on the Relationship between Bollworm,Occurrence of Natural Enemies and Application Ferilizer

  • Received:2008-06-25 Revised:2008-06-25 Online:2008-06-25 Published:2008-06-25

棉蚜及天敌发生与施肥措施的关系研究

刘兵;王佩玲   

  1. 石河子大学农学院,新疆石河子,832003





摘要： 研究了氮肥和磷肥不同施用量条件下棉蚜发生规律.结果表明:棉蚜数量随滴施氮肥浓度的增大而增加,叶面喷和不喷磷肥间无显著差异, 不同施肥处理棉田的棉蚜天敌发生同样呈现跟随规律,且趋势相同,处理间差异不显著.