72 BULLETIN 677, U. S. DEPARTMENT OF AGRICULTURE. 
SOIL AND CROP GEOGRAPHY. 
The result of all of the facts thus ascertained concerning the dis- 
tribution of the different soils in southern New Jersey is plotted on — 
the map. (Plate A, page 16.) 
The salient facts with respect to crop distribution are similarly pre- 
sented in the form of the map. (Plate B, page 64.) 
These two maps exhibit in a graphic way the broader facts of the 
uses of specific soils and groups of soils for the production of dis- 
tinct crops and associations of crops. 
The striking features of correspondence between the two maps are: 
The sandy soils of the Lakewood series have been found to be too 
droughty for the common practices of crop production, and the 
greater part of their area remains in forest. 
The undrained soils of the tide-marsh areas have been reclaimed 
only to a small extent, and they are chiefly unused or only occupied 
for the growing of forage crops or for pasturage. 
The soils derived from the outcroppings of the marly deposits of 
Cretaceous and Eocene age are chiefly occupied for general farming 
purposes and to a limited degree for the growing of special crops. 
Only steep topography and excessive erosion interfere with com- 
plete occupation of the soils of the Collington and Colts Neck series, 
which are the chief soils derived from these deposits. 
The soils derived from the later sediments which‘ mantle a fleece 
area within the Raritan and Delaware Valleys and which occur as 
a terraced border around a large part of southern New Jersey are 
occupied almost to the limits of their occurrence for the growing of 
a wide variety of crops. The soils of this origin belong chiefly to 
the Sassafras series. Within this series the selection of particular 
soils for specific crop uses has proceeded further and has reached a 
greater degree of specialization than on any other group in the 
region. 
~ In a general way the distribution of soil series and types in seuth- 
ern New Jersey is marked by zonal alignment and the distribution 
of dominant groups of crops follows that form. 
Neither climatic differences, which are small, nor differences in 
distance to market, which are relatively shght but which occur, nor 
differences in local transportation facilities, which exist to a limited 
degree—no one, nor all of these influences, has been sufficient to 
obscure the evident dependence of crop production upon the aeo- 
graphical distribution of soils suited to the growing of certain crops 
and unsuited to the growing of others. 
REVIEW OF SOIL USES BY SERIES, CLASSES, AND TYPES. 
For the purposes of the production of the general farm crops— 
hay, corn, wheat, oats, and grass for pasture—the heavier loam soils 

