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Experimental plots of tobacco are preferably cured in small chambers. Variation in environmental conditions and in maturity, leaf type, variety and other characteristics of leaves can, therefore, be minimized, preventing extremes of green fixation, browning and other curing aberrations associated with commercial-size kilns. Experimental plots on the Delhi Research Station are cured in 150 small chambers, each 1.37 X 1.37 m and 2.44 m high. The curing area is 2.13 m high and is separated by a false floor from electrical immersion heaters in water troughs on the chamber floor that provide humidification to condition the tobacco. The use of small chambers can be warranted only on the basis of the cured leaf quality needed for research. Labor requirements for loading, unloading, curing and conditioning are greatly in excess of conventional kilns. The current method for conditioning dry, cured tobacco in the chambers is particularly laborious as it involves
an adjustable water dispenser for conditioning tobacco in experimental chambers
Reid, W.S. and L.S. Vickery 1977. AN ADJUSTABLE WATER DISPENSER FOR CONDITIONING TOBACCO IN EXPERIMENTAL CHAMBERS. Canadian Agricultural Engineering 19(2):127-128.
127 - 128