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凤仙花为什么只长叶子不开花
更新时间: 2020-10-25 00:00:00  

1、营养过旺。由于施肥时未注意氮、磷、钾的协调,致使氮素偏多,磷钾素偏少。这会导致枝叶旺盛生长,从而抑制花芽的分化产生。可通过补充磷钾肥、剪除过旺生长枝条等方法抑制枝叶生长,促进花蕾开花。

2、光照不足,通风不良。凤仙花缺乏应有的光照和通风条件,会造成枝叶徒长,影响其孕蕾开花。

3、盆土板结、叶片黄化。凤仙花为肉质须根,这要求土壤通透性良好,为此要经常给盆花松土,并适当浇施矾肥水。

关键词: 凤仙花 为什么 叶子 开花

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