PROTECTION OK KORKS'l'S FROM KIRF. 249 



the "clean" stand is easy to protect in coniparison with 

 a stand that is littered with dr\- debris. 



Disposal of Brush and Debris. — A first practical step 

 is to pre\'ent a further accumulation of debris in a forest 

 b\- disposing of the slash from new cuttings. The ap- 

 plication in all forests of a uniform method for disposing 

 of this material would, however, be unwise. It should 

 be clearl}' imderstood that no fixed rule of procedure and 

 no single method could possibly fit all the different for- 

 est conditions in a country so large as the United States. 

 The method used in any given case must be chosen after 

 a careful stud)', and must rest upon a complete knowl- 

 edge of the local conditions. Many methods ha\'e been 

 tried in the disposal of brush, but those producing the 

 best results are the following: 



1. Piling and burning as logging proceeds. 



2. Piling and burning in separate operations. 



3. Lopping the tops. 



4. Lopping the tops and scattering the brush. 



5. Broadcast burning. 



Piling and Burning Brush as Logging Proceeds. — 

 The most economical method of destroying brush and 

 debris produced in lumbering is to burn it as the logging 

 proceeds. This is possible when the ground is covered 

 v.ith snow or is so damp that fire will not spread. The 

 work IS done b)- the logging crew. As the trees are 

 felled, convenient locations for burning the brush are 

 selected, where no damage will be done to the trees and 

 to ^■oLmg growth left standing, and where the fires will 



