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技術支持

巧烤多雨天氣采收葉

點擊次數:860 發布時間:2021-3-23

      多雨天氣要烤好煙葉,編煙和裝煙要適當稀一些,開始烘烤時關閉進風洞,天窗開1/2,點火后7~8小時后,升溫到36~37℃,在此階段穩溫到底臺葉尖大部分變黃;之后,把火燒大,進風洞開1/4,天窗全開,在3~5小時內,很快升溫到42℃,進行高溫排濕。濕球溫度下降到38℃時,關閉進風洞和天窗,再按一般煙葉烘烤方法進行烘烤。

 
      此外,對整個生長季節干旱,含水量少的煙葉,通常高溫逼熟,葉片小而薄。這樣的煙葉在烘烤過程中,變黃前期37~38℃,要關閉進風洞和天窗,做到保濕變黃,底臺煙葉變黃7~8成后,升溫到42~43℃,轉入變黃后期。定色前期48~49℃,升溫速度以0.5℃/小時左右為宜。干筋期,在67~68℃,將主脈烤干。煙株在生長中后期,遇到高溫干旱,葉片厚,變黃慢,水分不易排出。這樣的煙葉在烘烤過程中,變黃前期37~38℃時,要注意穩溫、保濕、變黃。待底臺煙葉青筋黃片后,天窗開1/2,地洞關閉,升溫到42~43℃,轉入變黃后期。定色前期47~48℃,升溫速度以1℃/小時左右為宜。干筋期,在68~69℃,將主脈烤干。

 


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