11 
sity for opening large holes to be filled with the best of the surface 
soil. 
A very common practice, and one which is to be condemned, is 
that of setting a tree in a depression in which ^oil gradually accumu- 
lates, burying deeply those roots which should remain near the sur- 
face and facilitating the entrance of root fungi. The tree should be 
so set that in its permanent location it is no deeper than it was in 
the nursery, with the root collar just below the surface of the soil. 
If the earth has not been well compacted and well firmed around 
the newly set plant it will be apt to settle considerably below this 
level. 
o 
