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怎样快速除韭菜杂草
更新时间: 2021-03-11 02:22:31  

1、韭菜等百合科植物对草甘膦有较强的耐药性,在韭菜生长期,可以用草甘膦防除杂草。

2、可以在前茬收割后2周,分两次施药。第一次每亩用10.8%草甘膦水剂400毫升加水50公斤喷雾。气温20℃左右时,间隔10天第二次喷药;气温25~32℃时,隔7天第二次喷药。第二次喷药可适当加大药量,每亩用10.8%草甘膦水剂500毫升加水50公斤喷雾。这样可有效杀死一年生和多年生禾本科杂草、莎草类杂草和艾蒿等恶性杂草。

关键词: 怎样 快速 韭菜 杂草

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