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木菊花叶子黄了怎么回事
更新时间: 2020-09-08 00:00:00  

叶子发黄枯萎,有可能是失水、或肥料放太多了导致烧苗,也有可能缺少营养,如镁元素。

防治方法:

1、增施腐熟的人粪尿、饼肥、厩肥或硫酸铵、尿素、硝酸铵等肥料。

2、增施骨粉、鱼粕,家禽肥或过磷酸钙、磷酸铵、磷酸钾(为磷、钾复合肥),一般用0.1左右的水溶液作根外追肥。

关键词: 菊花 叶子 怎么 回事

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