THi; COriMCK. S^ STEMS 



171 



It IS a ver\- simple s\steni to practise, for there is no 

 skill to be exercised in selecting; trees for cutting, and 

 reproduction takes place prompth and abundantK h\- 

 natural means, and without expense. There are, how- 

 ever, certain principles governing sprout reproduction 



Fig. 36. — Simple Cojipice on a very Sliort Rotation, Illustrated by 

 Willow Culture. 



which must he observed m the continued practise of the 

 s\'stem. If these are ignored, the forests will deteriorate 

 and their productu'eness will steadiK' dimmish. Exactb' 

 this has happened in New Kngland. \o attention has 

 been paid to the condition of the forest when cut, the 

 season of cutting, or the manner of cutting the stumps. 

 Fires have rim through the woods repeatedh' and injured 



