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风信子叶子发黄怎么办

更新时间: 2020-09-28 00:00:00     

1、控制浇水,过于严重的可以直接脱盆,将植株放在阴凉处晾干后重新上盆;

2、逐渐增加浇水量及浇水次数;

3、施肥过多要立即停止施肥,或者浇水稀释肥分;

4、立即将风信子移到阴凉处;

5、栽培前要测试土壤的酸碱度,如若呈碱性要立即换土。叶片已经变黄可直接喷洒硫酸亚铁水溶液,2到3天一次,喷施3到5次,叶片会逐渐变青;

6、注意及时通风降温,保持盆土湿度,并且盆土的温度要适宜,不能过温。

关键词: 风信子 叶子 发黄 怎么办

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