FARM MACHINERY AND IMPLEMENTS 179 



serious objection, since the average man can feed and care for more cows 

 than he can milk by hand during the milking period. 



Spraying Machines. On all truck and fruit farms spraying machines 

 are a necessity. The size and kind of outfit will depend on the size of 

 business and character of plants to be sprayed. Wherever there are more 

 than eight or ten acres of orchard, a power sprayer mounted on wheels 

 is recommended. Those which develop power from the wheels are cheap- 

 est, but are not so satisfactory for spraying large trees. A high-grade 

 gasoline engine and a good tank for compressed air provide a uniform 

 pressure under all conditions. Good work demands a pressure of from 



A POWER SPRAYER ROUTING ORCHARD PESTS. 



90 to 125 pounds. Good nozzles that will give a fine spray without clog- 

 ging are essential. There should be an agitator in the receptacle that 

 holds the spraying material. The hose attachments should be ample in 

 length to reach all parts of the trees. 



Horses attached to the sprayer should be protected by suitable 

 covering. 



For small orchards or for small fruit, the barrel sprayer with hand 

 pump, mounted on a sled, will serve the purpose. Knapsack sprayers 

 may meet the needs for garden purposes, and are also useful in connection 

 with larger outfits. They are suited to spraying the base of trees for 

 mice, rabbits and borers. They are also good to spray young plants and 

 for shrubs and bushes around the home. 



