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叶子发黄卷边怎么办
更新时间: 2020-07-04 00:00:00  

正常生长温度应在18摄氏度以上 , 越冬温度不低于16 摄氏度。 养护过程中出现以下几种情况都会发生焦边:

1、冬季气温和土温低 , 浇水过多 , 常造成根颈腐烂 , 可引起焦边 ;

2、肥料过多或过少 , 施肥过量造成烧根 , 地上部则出现焦边;,某些无素缺乏也可出现焦边;

3、温度过高或过低引起的焦边;

4、叶枯病引起的焦边,可用75%百菌清800倍液喷洒防治。

关键词: 叶子 发黄 怎么办

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