136 THE AFTER TREATMENT OF NURSERY STOCK 



Digging the Trees. In the fall the trees that are old 

 enough to sell must be removed from the ground and placed 

 in a storage house, where they can be graded and packed 

 for shipping during the winter months. In a home nur- 



FIG. 63. Steam Tree Digger in which the Share is Drawn by a Cable 

 Pulled from a Stationary Engine and Drum. 



sery, this digging is done with a spade, but where the num- 

 ber runs to only a few thousands this method is impracti- 

 cal. However, the spade is a poor tool and often severely 

 damages the roots of the trees. 



There are three kinds of mechanical diggers in use in 

 various parts of the country. The cheaper and more com- 



