196 



The Sweet Potato 



employed for shipping the crop, it is much easier to 

 disinfect the storage house by spraying than when 

 bins are used. Another advantage in using them is 

 that when decay sets in it usually spreads only to the 

 potatoes in the single package, whereas in the bin it 

 might spread throughout the entire pile, 



" If the bins are to be used, the interior of the storage 

 house should be arranged for convenience in handling 

 sweet potatoes. A passage way about 3% to 4 feet 

 in width is usually left between the rows of bins, 

 or between the wall and the bins in a house with 



S9-9'- 



FlGUHE 29. — Floor plan of a 24 by 60 foot sweet potato storage- 

 house having a capacity of about 5,200 bushels. 



only one row of bins. Sufficient open space must be left 

 to allow access to the ventilators in the corners of the 

 storage rooms. Satisfactory arrangement of passage- 

 ways and bins are shown in the floor plan of Figs. 29 

 and 30. 



" The bins are made as follows : For the comer and 

 middle supports, 2 by 4 inch scantlings are set up, 

 the lower end nailed to the floor and the upper to the 

 crosspieces used for tying the sides together. Over the 



