TIMBER GROWING AXD LOGGING PRACTICE IX CALIFORNIA 15 
stump to stump and from slash to slash, rather than from stump or 
slash to standing tree. It is difficult to see how any form of slash 
disposal, even piling and burning, could prevent attack of standing 
Fig. 4.— advance REPRODUCTION BEFORE BROADCAST SLASH 
BURNING 
This reproduction is the result of fire protection, and means that the new crop 
of timber is bj- so many years nearer maturity. 
;-4 k -i 
Fig. 
F-I6I208 
-SEED TREES KILLED AND REPRODUCTION WIPED OUT 
The same view as Figure 4, after broadcast slash burning, tells the story of a 
practice that has made many thousands of acres in the California pine region 
unproductive, a loss to the owner, the State, and the Nation. 
trees by insects. Many stumps are not affected by slash fires nor are 
they peeled, and since slash is burned in the fall and not currently 
at least one generation of insects would have a chance to breed in 
