GROWING SUGAR BEETS IN MICHIGAN AND OHIO. 9 
these farms, the sugar beet followed a crop of clover. Occasionally 
sugar beets follow a crop of alfalfa. (See fig. 4.) 
Fic. 3.—Sugar beets followed corn in the rotation in northwestern Ohio. 
There was a striking similarity in the general arrangement of the 
cropping systems in all of these districts. It was the general practice 
to grow beets once in the rotation; this intertilled crop was then 
Fig. 4.—Sugar-beet growing on land that was in alfalfa during the preceding year. 
Occasionally sugar beets follow a crop of alfalfa. 
changed to another field. Clover was utilized in every district to add 
nitrogen to the soil and keep up the humus content. Timothy was 
usually grown with the clover. The major differences noted were 
the absence of beans in the rotation in Ohio, and the tendency of 
83548°—19—Bull. 748——2 
