ITS 



GARDENING FOK THE SOUTH. 



which should be substituted with marbles when kerosene 

 emulsion is used, because the kerosene causes rubber to 

 swell and close the orifice. Figure 71 gives the general 

 form of these knapsack sprayers. 



When a considerable area of the garden or orchard is 



Cyclone Nozzle, with Direct 



Charge and Diegorger 



for Thin Sprays. 



Cyclone Nozzle, with 

 Lateral Discharge 

 for Thin Sprays. 



Wire Extended Suction 



Heavy Cyclone Nozzle, with 



Oblique Discharge for 



Thick Sprays. 



The above illustrations are from Bulletin No. 20, Division 

 of Vegetable Physiology and Pathology. 



Pig. 72-VERMOREL NOZZLES. 



to be treated it becomes necessary to use larger machines 

 for holding the spraying materials. The best patterns 

 have the force pump attached to. barrels, as is shown in 



