224 
ELEMENTARY AGRICULTURE 
North Dakota to Texas produce the greater part of 
the American wheat crop. South of central Nebraska, 
Iowa, and Illinois, the farmers raise what is known as 
winter wheat. They sow the seed in the fall and 
Fig. 164.—Com and oats provide the principal grain feed for our farm 
animals. 
harvest the next summer. The northern section of our 
wheat belt grows Spring wheat. The seed is sown early 
in the spring and the wheat is harvested in the fall. 
Varieties.—Since most of our wheat is made into 
flour, millers have recognized two kinds known as hard 
