60 BULLETIN 141, TJ. S. DEPARTMENT OF AGRICULTURE. 
Sugar beets are the most important special crop. A large part of 
the eastern-grown sugar beets is produced upon the Clyde loam, fine 
sandy loam, and sandy loam, and even upon the better drained areas 
of the silty clay loam and the clay. The average yields from the 
different types show that the tonnage and sugar content of the beets 
grown upon the Clyde loam and Clyde clay are usually greater than 
upon any other soils of this or other soil series. 
Beans constitute another special crop grown upon the better- 
drained areas of the soils of the Clyde series, particularly upon the 
Clyde loam and more sandy types. Good drainage is the chief 
essential to the production of large yields. 
Cabbage, onions, celery, and chicory are locally grown for nearby 
city markets or for shipment. 
Drainage is the most important of all forms of soil improvement 
upon the soils of the Clyde series. Proper drainage not only increases 
the yields of crops now grown but also widens the crop adaptations 
of the different soil types. 
Extensive areas of the soils of the Clyde series have been brought 
under cultivation by means of artificial drainage. Other areas still 
remain undrained. In the case of these soils the cost of tile drainage 
is usually repaid within a short time by increased crop yields. 
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