Preparation for Market 



233 



fifty (50) cents per linear foot of the total inside 

 length of car " ^ but in normal times the shippers 

 would have to bear this expense. No ice is used in 

 refrigerator cars for sweet potatoes. An average of 

 about 630 hampers can be put in a car, 30,000 pounds 

 being considered a safe load. Thorough ventilation is 

 an absolute essential in making successful shipments of 

 sweet potatoes in any type car. 



Stock cars are occasionally used for short shipments 

 in warm regions. 



Packing in car. 



There is an unwarranted tendency toward careless- 

 ness in loading sweet 

 potatoes. Often 

 avoidable breakage 

 occurs in cars care- 

 fully packed. In ad- 

 dition to ample ven- 

 tilation, the car 

 should be so loaded 



as to avoid shifting _, .„ a • x- ^ ^^. 



P FiGUKE 43. — A variation of the 



of the load m transit standard load. Loading 100-pound 



and breakaffe of the ^^*^ ^° ^^ *° secure a heavy-weight 

 "= shipment with the greatest amount of 



containers by contact ventilation, 

 with each other. 



Barrels. — Both the double-headed ventilated barrel 

 and the cloth-top barrel should be loaded on end rather 

 than on their bilge, as investigation shows that much 

 less breakage results.^ The main objection to loading 

 on end is that when very tightly packed, owing to jolting 



1 Circ. OS-43, U. S. E. R. Adm., W. G. McAdoo, Nov. 15, 1918. 



2 Farmers' Bull. No. 1050, p. 9. 



