air curing of tobacco leaves. flue curing. flue-cured tobacco leaves hanging on needle hangers in a curing container

golden tobacco leaves curing container needle hanger flue air agricultural practices agriculture furnace recirculation aircured airdried annual plant chewing cigarettes cigars crop cultivation barn dried dryer drying chamber process farm farming firecured fired harvesting heated heating light hangers nicotiana nicotiane nicotine noble plantation raw material rural smoke tabacum upflow wilting yield