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叶面肥

枣树黄叶落叶有哪些原因

作者:叶面肥知识 时间:2019-07-27 阅读量:

  ZUIJINHENDUORENZAIZIXUNZAOSHUHUANGYELUOYEDEWENTI,QISHIYIBANQINGKUANGXIAZAOSHUHUANGYELUOYEDEYUANYINYOUHENDUO,ZUIZHUYAOYUANYINJIUJIGE,RUHONGZHIZHUCHONGHAI,YEBANBING,YEMIANFEIPENSHIBUDANGDENGWENTI。XIAMIANSHIRUIDEJIDAJIAXIANGXIJIESHAOYIXIA。

  一是红蜘蛛虫害。

  HONGZHIZHUCHUQIWEIHAIZAOSHUYEPIANCHENGXIANSHILV,YIHOUZHUJIANKUODACHENGPIAN,ZUIHOUZHENGYEJIAOHUANGTUOLUO。DUICI,JIANYIGUONONGZAIMAISHOUQIANHOU(HONGZHIZHUDALIANGXIANGSHUSHANGZHUANYIDESHIQI),JISHIPENYAO,30TIANZUOYOU1CI,LIANPEN2-3CI。

叶面肥

  二是锈病和叶斑病危害。

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  三是生理性落叶。

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