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黃瓜卷葉怎麼處理
黃瓜卷葉怎麼處理
更新时间:2025-01-15 01:16:30

  1、煙霧法,用20%速克靈煙劑,每畝每次用藥200-250克,或用50%農利靈煙劑,每畝每次用藥250 克。熏3-4小時。一般可傍晚熏煙,次晨打開門窗通風換氣。

  2、粉塵法,于傍晚噴撒10%速滅克粉塵劑,或5%百菌清粉塵劑,或10%殺黴靈粉塵劑,每畝每次用藥1公斤,隔7-10天噴一次,邊疆或交替噴2-3次。

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