FUMIGATION METHODS 



instance, if the difference between the distance over 

 and around the tree is fivejeet, and the differential for 

 the circumference is three feet eleven inches, then the 

 dose must be increased or diminished by a little more 

 than a half ounce ; but if the differential is one foot, 

 then for each foot there must be added or subtracted 

 one-half ounce, or two and a half ounces for the five 

 feet. 



CYANIDE NECESSARY FOR TREES OF VARIOUS SIZE& 

 IN CALIFORNIA 



