Development of curing facility to improve environment for burley curing (Ⅰ. Changes in microclimate during air-curing)
2007
Cha, K.H. (Bio-resources Research Group, KTnG Central Research Institute, Eumseong, Republic of Korea), E-mail: [email protected] | Jang, S.W. (Bio-resources Research Group, KTnG Central Research Institute, Eumseong, Republic of Korea) | Yang, J.C. (Bio-resources Research Group, KTnG Central Research Institute, Eumseong, Republic of Korea) | Oh, K.H. (Bio-resources Research Group, KTnG Central Research Institute, Eumseong, Republic of Korea) | Shin, S.K. (Bio-resources Research Group, KTnG Central Research Institute, Eumseong, Republic of Korea) | Jo, C.J. (Bio-resources Research Group, KTnG Central Research Institute, Eumseong, Republic of Korea)
This study was carried out to investigate the changes of curing condition on microclimate of temperature, relative humidity during curing process of burley tobacco leaves. The developed facility, ridge opening type was designed to open the central top roof. The air-cured variety, (N. tabacum cv KB111) was normally grown at the Eumseong tobacco experimental station in 2007. Mean daily temperature of 3℃ in ridge opening type curing facility was lower than that of conventional, whereas mean daily relative humidity of 12.6% RH was lower in conventional curing facility for the entire stage of curing. The frequency distribution of optimal air temperature at daytime was higher 37.5% in ridge opening type curing facility than that of conventional, while that of optimal relative humidity was lower 8.2%. In the ridge opening type curing facility, the excessive drying leaves were low, however the price per kilogram was high. These results suggest that the new developed curing facility may be applied to improved microclimate inside the curing facility for curing burley.
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