COMMERCIAL SIDE OF FRUIT GROWING IN UNITED STATES. 153 



are employed. Machines in class 2 are favourites in vineyards and for 

 spraying nursery stock or field crops. The hand-pump is used on small 



Spraying Vines for the Leaf-hopper. 



estates or in hilly situations where the transportation of heavy machinery 

 is difficult or perhaps impossible. 



Spraying by Steam, Western New York State. 



As to sprays, the two leading ones are Bordeaux mixture and the 

 sulphur wash. The latter is made by boiling together lime and sulphur 



