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洋葱出苔怎么处理
更新时间: 2021-05-24 14:30:17  

1、选择耐抽苔品种。

2、适时播种和密植。苗不宜过大,防止提前抽苔;也不宜过小,利于越冬。适度苗子大小为:洋葱苗子4片真叶,株高20-25厘米,叶鞘直径6-7毫米,单株重5克左右。

3、发现提前抽苔单株,只能提前掐掉苔头。

关键词: 洋葱 怎么 处理

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