


SOILS OF SOUTHERN NEW JERSEY AND THEIR USES. 39 
double the area which is otherwise unoccupied by annual crops or 
orchard. 
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om 
Fig. 16.—Harvesting and sorting sweet potatoes on Sassafras sand, near Thorofare, N. J. 
These facts clearly demonstrate the intensity and specialization of 
the cultivation of the land in the Thorofare area. 

Fig. 17.—Loading early sweet potatoes for the city market, near Thorofare, N. J. 
Some very striking features of individual uses of soils for crops 
are also shown by these tables. The Sassafras sand is the soil pre- 
