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凤仙花叶子黄了怎么办
更新时间: 2020-07-15 00:00:00  

凤仙花叶子黄了的解决方法如下:

1、地栽凤仙花应选择疏松、肥沃、深厚、排灌水方便的地块栽种,忌积水、久湿和通风不良。

2、盆栽应选用富含有机质、通透良好的培养土,春末夏初当温度出现大幅度上升且久不下雨时,应特别重视水分管理,宜早晨浇透水,晚上若盆土发干,再适量补充水,并适当给予叶面和环境喷水,忌过干和过湿,甚至可于正午前后将盆栽植株搬放到荫棚下给予遮荫。

3、凤仙花在温度高、湿度大时,易招致白粉病的危害,可喷托布津800倍至1000倍液进行预防。

关键词: 凤仙花 叶子 怎么办

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