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间作覆盖物对枸杞棉蚜、杂草及土壤养分的影响

Yajuan LI,Lin YAN,Haiquan SUN,Baoguo SHI,Hongfu MA,Linlin LI, Wenying HU

Journal of Qinghai University(Natural Science)（2016）

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Abstract
为了筛选出能够有效控制枸杞害虫棉蚜的种群数量、减少枸杞田杂草发生、增加土壤养分的覆盖物种类,通过枸杞田间作不同覆盖物,探讨其对枸杞棉蚜种群数量、枸杞田杂草发生及土壤养分的影响.结果表明:间作黄芪的枸杞上棉蚜数量最多,间作箭筈豌豆的枸杞上棉蚜的数量最少;覆盖物黄芪上的棉蚜数量最多,毛苕子上的棉蚜数量最少;间作紫花苜蓿、黄芪和箭筈豌豆覆盖物下的土壤养分各项指标与对照比较,均有所增加.
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