Distance of Planting. 241 
Oranges and Lemons, 25 to 30 ft. 
Grapes, 6x8 to 8x10 ft. 
Currants, 4x6 to 6x8 ft. 
Blackberries, 4x7 to 6x9 ft. 
Raspberries, 8x6 to 5x8 ft. 
Strawberries, 1x3 or 4 ft. [way. 
Cranberries, 1 or 2 ft. apart each 
These are safe distances. In certain cases, how- 
ever, where the soil is strong and the grower makes 
thorough work of cultivating, pruning and fertilizing, 
these distances can be reduced somewhat with profit, 
except, perkaps, in the case of apples. (See, also, 
remarks by Van Deman, page 273.) 
The quincunx system is one which places five 
plants in every square. Four plants are set upon 
the corners and an odd one in the center. The num- 
ber of plants required to set an aere is double the 
number required for ordinary planting, less a row 
on one side and one end. 
The mixing of species, or double planting.—These 
remarks upon the proper distances for trees call 
for some discussion of the common question as to 
whether it is good policy to plant shorter-lived trees, 
as peaches, between apples and pears. It all depends 
upon the man. In general, it should be discouraged; 
but if the orchardist gives the very best attention to 
fertilizing and cultivating, plantations can be mixed 
with good results. This mixing of species is a per- 
sonal question. Now and then a man succeeds ad- 
mirably with it, but the greater number fail to 
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