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西葫芦叶子发黄怎么办
更新时间: 2020-07-04 00:00:00  

1、 新叶发黄卷曲是缺锌症状。要多补充含锌的肥料。

2、整棵发黄是缺氮肥引起的黄叶。要多补充氮肥。

3、 对黄叶厉害的要用生物菌加生根剂灌根。生物菌能分解土壤的农药残留、增加土壤透气性、抑制病菌、降解死肥和促进植物生根等功能。

关键词: 西葫芦 叶子 发黄 怎么办

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