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-growing 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 
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9 Ft. 6 Ft. 6 Ft. 9 Ft. 
Fig. 39. Setting small-fruits in an orchard. 
somewhat in closeness with the varieties planted. The great 
prune orchards of the Pacifie 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.” 
