Practical Sylviculture 



149 



RESULTS OF THINNINGS 



The practical results of thinning the woodlot are 

 usually not appreciated at the time they are made, nor is 



Fig. 43. — Cordwood taken out in thinning. Note evenness of remain- 

 ing stand. 



there a record kept that will show what are the actual 

 results in increased growth. The increase in wood volume 

 is through increased diameter rather than through 

 increased height. An average white pine tree 10 inches 

 in diameter at 4| feet from the ground and 60 feet high 

 contains 95 board feet of unedged lumber. By providing 



