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矮牵牛叶子发黄怎么办
更新时间: 2020-07-10 00:00:00  

矮牵牛叶子发黄的原因:缺肥、施肥过量、荫蔽过度、土壤偏碱、通风不良。

解决办法:

1、缺肥。需及时换盆,并逐渐增施稀薄腐熟液肥或复合花肥。

2、施肥过量。应立即停止施肥,增加浇水量,使肥料流失掉,或立即倒盆,用水冲洗球根后再重新栽入盆内。

3、荫蔽过度。可将植株移至阳光充足处。

4、土壤偏碱。栽植时要选用酸性土,生长期间经常浇矶肥水。

5、通风不良。应合理施肥并加强修剪,使之通风透光。

关键词: 牵牛 叶子 发黄 怎么办

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