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铁树冻得叶子发黄了还能不能活
更新时间: 2020-09-18 00:00:00  

铁树黄叶可由多种原因引起,以下是几种不同原因引起黄叶的救治措施:

把变黄的叶子剪掉。只要根茎未死,叶片全部剪除也无妨,换盆土后置于通风有散射光处,保持一定的环境湿度,铁树就会重新萌发新叶。因缺铁而引起叶片发黄,应施用矾肥水,或喷施硫酸亚铁溶液。铁树怕寒应有保暖措施。通风不好而使叶片闷黄,白天放室内观赏,晚上搬到室外。土壤过湿引起烂根,导致叶片枯黄。铁树性喜光照充足和温暖、湿润的环境。所以,平时应该放在阳光照射的地方。但是却不耐烈日暴晒,特别是新叶极易灼伤、枯黄,因此,新叶期应给以一定的遮蔽条件。

关键词: 铁树 叶子 发黄

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