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绿植的叶子尖发黄
更新时间: 2020-08-20 00:00:00  

1、浇水过多而引起的水黄。由于长期浇水引起,主要表现在嫩叶发黄无光泽,老叶则无明显变化,根细小黄绿,新梢萎缩不长。

2、忘记浇水或少浇水引起的旱黄。由于缺水或浇水偏少而引起叶片发黄。老叶自下而上枯黄脱落,但新叶一般生长正常,这种情况就是旱黄。

3、施肥太勤或太重引起的肥黄。由于施肥过多或浓度过大,新叶顶尖出现干褐色,老叶尖干焦枯黄脱落,一般叶面虽然肥厚有光泽,但大都凹凸不平,这种现象便是你施肥过多的原因。

4、不注重施肥或施肥间隔太长引起的缺肥黄。盆花长期只浇水不浇肥,或多年不换盆,根须结成一团,植株得不到肥分进而致使叶发黄。

5、放在阳光直射处时间过长引起的灼黄。像吊兰,万年青,一叶兰等喜阴湿的盆花和观叶植物,如经强烈阳光直射,叶片会常出现黄尖现象。

关键词: 绿植 叶子 发黄

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