274 



The Principles of Fruit-growing. 



be planted about 16 feet apart, and thinned out as they 

 crowd each other. 



" The sour cherries need about 18 to 20 feet, while the 

 larger -grow ing sweet varieties require fully 20 feet, and in 

 time, if they are not pruned back severely, 40 or more- feet 

 when they attain their full size. Plum orchards should vary 



APPLE TREE 



Fig. 



9 Ft. 6 Ft. 6 Ft. 9 Ft. 



19. Setting small-fruits in an orchard. 



somewhat in closeness with the varieties planted. The great 

 prune orchards of the Pacific slope are set with about 20 

 feet between the trees. The orchards of our native species 

 require about the same room; but the Japanese class is 

 usually more upright in growth, and may be planted a little 

 closer." 



