THE POTATO IN BRITISH COLUMBIA. 



39 



(2.) There must be a large, unobstructed opening for the warm air to pass 

 down to the floor after it has spread the length of the ceiling from the heater. 



(3.) The false floor must be so constructed that this warm air can pass under 

 it at all points. 



:ets, U..S. Bulletin 1091). 



Loading. Cars should be heated for at least six hours directly before loading, 

 and longer, if possible, when the outside temperature is low. In loading sacked 

 potatoes the sacks should not come closer than 8 inches to the ceiling when loaded. 



Fig. 34. Potatoes at the floor should be loaded away from the sides and ends of car (after 

 Bureau of Markets, U.S. Bulletin No. 1091). 



