SPRAYING THE APPLE ORCHARD. 



47 



bolted to the wagon, so that it may be readily reim>vable. 

 An oiled canvas cover should be provided for the horse, ex- 

 tending over the head and tail and down below the shafts, 

 as the Bordeaux mixture will injure the coat of the horse if 

 much falls on it. 



Where larger orchards are to be sprayed a truck and 

 tower such as have come into common use in Delaware 



Fig. 31.— Truck and tower used by S. H. Derby, Woodside, Del. 



orchards, will be found more satisfactory. The tower car- 

 ries two men, and the truck a 150-gallon cask, set near the 

 ground. Two horses are necessary, and a pump of the 

 horizontal type, like the Sentinel, Bonanza, Planet, Friend, 

 etc., is preferable as few barrel pumps furnish sufficient 

 power without overworking the one pumping. 



The Spray Matena\s.^-BorcleaH.r Mixixire. This is the 



