D. Ward Cutler and L. M. Crump 



13 



METHODS. 



The method of sampling was as follows: In the centre of the plot 

 14 rows between the young wheat plants were selected. Four of these — 

 A, B, C, D — are shown in the accompanying map. 



Six 9-inch borings, taken at intervals of about 3 ft. along row A, 

 and thoroughly mixed together formed sample 1, which was taken to 

 the laboratory in a sterile bottle. 



A B C D 



Map showing method of taking samples. 



The second sample was taken the following day in the same way as 

 the first, except that the borings were taken between those of the 

 previous day. 



The samples for the third and fourth days were taken in the same 

 manner as the sample for the first and second, but from row B. In this 

 way 28 samples were obtained from 14 rows of the plot. The counting 



