LIBERATION CUTTINGS 



151 



Another method employed is to girdle, but leave standing, 

 the overtopping trees. Cutting a ring around the trunk 

 through the bark and well into the sapwood will cause death 



Fig. ss. 



A stand in need of a liberation cutting. The young trees as yet have not been 

 seriously affected by the large overtopping trees. 



Fig. s6. 



A stand in need of a liberation cutting. The cutting should have been made 

 20 years ago before the young trees under the old ones had been deformed. 



of the tree. Some species are harder to kill by girdling than 

 others and the details of performing the operation should be 

 varied to suit the conditions. The advantages of girdling are 

 its cheapness and avoidance of damage to the young growth 



