DIVISION AND SPECIALIZATION 157 



ing increase in the expenditure of capital and 

 labor. It is entirely aside from cultural 

 methods, good seed, and the other factors. It 

 is a secret available to the slovenly as well as 

 the most scientific farmer. All of this infor- 

 mation must be made use of in the light of 

 markets cash return otherwise it is value- 

 less. But gradually crop specialization is be- 

 coming more and more sharply defined. In 

 its grand divisions it is already becoming per- 

 ceptible. The Dakotas produce more wheat 

 than the Mountain and Pacific States com- 

 bined; Minnesota outranks the entire country 

 east of the Alleghanies and south of the Ohio 

 River in the same sphere. The single state 

 of Iowa produces thirty times more corn 

 than the eleven states of the Far West. 

 Illinois and Iowa have abandoned wheat 

 culture for corn and cattle feeding; California 

 likewise has abandoned wheat for citrus 

 fruits. 



It is not merely a random accident that 

 Kentucky thoroughbreds come from Ken- 

 tucky, unless indeed the accident is traced back 

 to the geological epoch when a stratum of 

 limestone was deposited in the Ohio River 

 valley. To illustrate the refined use of soils, 



