幹gan旱han氣qi候hou條tiao件jian下xia生sheng長chang的de煙yan葉ye含han水shui量liang低di,采cai下xia的de煙yan葉ye變bian黃huang較jiao慢man,特te別bie是shi上shang部bu葉ye,變bian黃huang速su度du更geng緩huan慢man。烘hong烤kao這zhe一yi類lei煙yan葉ye的de關guan鍵jian在zai於yu保bao濕shi,並bing適shi當dang延yan長chang變bian黃huang期qi。因此,在變黃初期,要嚴密關閉天窗和地洞,最好用稀泥塗封。若烤房內相對濕度低於百分之八十,即幹濕球溫度差在3度以上,要在烤房地上撥水加濕,或放入濕麻袋加濕,或從天窗口往煙葉撒水,以增加烤房內濕度,促使煙葉變黃。
幹旱氣候條件下生長的煙葉兩種情況。
yizhongshichurangfeilicha,tebieshidansuhanliangdi,zaitianqiganhantiaojianxiayanyedeyelingbugou,yehanshuiliangshao,yexiaoerbo,wangwangzaoshu,hongkaozhezhongyanyebianhuangqiwenduyaogaoxie,shengwensudukekuaiyixie,yimianyanyebianchengquanhuang,yinweiquanhuangyichubaihuangyan。youyuyanyehanshuiliangdi,yaocaiqujiashicuoshi。zhuanhuodingsechengdubunengtaigao,yibandangyanyebianhuang5─6成時溫度即可達到攝氏45度,轉入定色期。定色期升溫宜慢,使未完成變黃到煙葉繼續變黃。
另ling一yi種zhong是shi出chu壤rang比bi較jiao肥fei沃wo,但dan因yin天tian氣qi長chang期qi幹gan旱han而er逼bi熟shu的de煙yan葉ye。這zhe類lei葉ye片pian未wei真zhen正zheng成cheng熟shu,葉ye片pian厚hou,含han水shui量liang小xiao,烘hong烤kao時shi煙yan葉ye內nei水shui分fen難nan以yi汽qi化hua排pai出chu,不bu易yi失shi水shui發fa軟ruan,也ye不bu易yi變bian黃huang。烘hong烤kao時shi,這zhe一yi類lei煙yan裝zhuang煙yan要yao密mi些xie,天tian窗chuang和he地di洞dong嚴yan格ge密mi封feng,並bing采cai取qu加jia濕shi措cuo施shi。在zai變bian黃huang初chu期qi采cai用yong攝she氏shi36度以下的溫度,保持較高的相對濕度。升溫要緩慢進行,使煙葉在攝氏42度以前充分變黃後再升溫和少量排濕。攝氏45-46度要延長時間。進入定色期時,升溫要慢,如升溫過急,煙葉易變褐;變黃程度要高一些。轉入定色期早時,容易造成煙葉回青。待整個烤房內煙葉都勾尖卷邊後,即按一般方法進行下一階段的烘烤。
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