COUNTING THE TREES 



135 



some time before they are ready to dig. Not all the trees 

 will be good ones and those that have crooked trunks or are 

 deformed in any way must be discarded. Those that are 

 good go into different grades according to their height or 

 degree of perfection. The counting is usually done with 

 a small mechanical device which records the results auto- 



FIG. 62. A Successful Nursery Spray Outfit. 



matically. The operator walks along the row and as he 

 glances at the trees he pulls the trips on the machine ac- 

 cording to his estimate of the grade of the trees. With a 

 little training one may count the trees and place them in 

 grades as fast as one can walk. This estimate of the num- 

 ber of salable trees is turned into the office where they 

 are segregated and turned over to the sales force, or pub- 

 lished in the catalog. 



