ITS HISTORY AND DEVELOPMENT 



23 



terioration, the holes made by the rasp are filled 

 with clay or sprayed or sprinkled with charcoal. 



In one establishment, 60 people make as many as 

 10,000 analyses every twenty-four hours. To avoid 

 injury, the beets which pass this examination and 

 are destined for breeding are carried in specially- 

 constructed baskets, cleaned of any adhering dirt 

 and laid in rooms on portable tables, usually 50 beets 

 to a table, where they are examined a second and 

 sometimes a third time, for checking purposes; the 

 selection labors continuing through January, Febru- 

 ary, and March. 



on the extraction which can be secured from a 12 per cent, beet 

 to be as follows: 



Footnote continued on page 24, 



