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金桔叶子发黄掉叶怎么办
更新时间: 2020-10-21 00:00:00  

黄叶、掉叶原因:

1、若呈点状黄叶,红蜘蛛或黄蜘蛛危害;

2、养分不足,可能是氮素营养不足;

3、金桔喜酸性环境,若长期用自来水则可引起缺铁黄化;

根据情况采取以下措施:

1、防治螨类和红蜘蛛和黄蜘蛛,家庭用蕃茄汁兑水防治,或者购买杀螨剂;

2、针对叶面黄化,可向叶面喷施百分之零点二到百分之零点三尿素加百分之零点二磷酸二氢钾混合液;

3、浇水时加入少量硫酸亚铁,改善土壤环境。

关键词: 金桔 叶子 发黄 怎么办

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