Preparation for Market 



237 



From 600 to YOO crates constitute an average good 

 load. 



Temperature in transit. — The effect of various 

 methods of ventila- 

 tion in transit and 

 the relative influence 

 of varying tempera- 

 tures on the carrying 

 quality of sweet po- 

 tatoes are at this 

 time under investiga- 

 tion by specialists of 

 the Bureau of Mar- 



FiQXJHE 50. — Do your sweet potatoes 

 arrive at market like this! 



It is known that ventilation is essential, that over- 

 heating is as disastrous, or more so than freezing, and 

 that temperatures between these two extremes may con- 

 siderably influence the susceptibility of the potatoes to 

 disease attacks and decay. Of the technical details of 

 these things, however, little is yet known. 



