142 



The Farm Woodlot 



number of species and the soil and moisture, before he 

 decides how, and to what extent, he is going to carry on 

 his thinning operations. The wood that is removed during 

 the thinning process may always be of use around the farm, 

 particularly for fuel. It is very seldom that early thin- 



Fig. 30. — Evergreen plantation. Some of trees dying from crowding. 



nings yield any revenue directly, since it may be necessary, 

 particularly in sprout growth, to thin before the sprouts 

 are large enough to be utilized. The value of early thin- 

 nings shows itself in the improvement and the additional 

 growth of the trees that are left in the woodlot. When the 

 material removed is large enough for fuel, or for any 

 other purpose, then the operation may pay for itself and 

 may yield some revenue, but in forestry the profit from 



