FELLING BY ROTA TION OF AREA. 93 



result is an out-turn equal to the full capabilities 

 of the soil. Moreover, the operations of plant- 

 ing, thinning, and felling are all carried on in 

 well-defined areas only, and younger trees are not 

 damaged by the older being felled on and worked 

 out over them. This renders supervision easy and 

 effective, and, guided by the working-plan, the con- 

 trolling officer can see at a glance whether the 

 work returns of the year are in accordance with its 

 provisions. 



