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南洋杉为什么叶子发黄
更新时间: 2020-09-10 00:00:00  

1、浇水过多:浇水过多是南洋杉出现叶子变黄的常见原因之一,浇水过多根系缺氧会腐烂,造成难以吸收水分和养分,植株则出现不适的症状,从而叶子开始变黄;

2、光照太少:长期处于光照较弱的环境下,南洋杉会表现出叶片黄化并伴随有叶片脱落的现象;

3、温度不宜:南洋杉在养护中对温度有一定的要求,温度过高或过低都对南洋杉的生长不利,南洋杉在温度低于5度时就会叶片发黄,且有少量脱落,温度高但空气湿度低,也会出现大量的黄叶;

4、湿度过低:空气湿度太低或风太大造成叶片急性脱水、黄化;

5、虫病害侵:病害侵染时南洋杉的叶子也会变黄脱落。

关键词: 南洋杉 为什么 叶子 发黄

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