268 THE WHEAT INDUSTRY 



7. Summarize the conditions which favor wheat pro- 

 duction in the Northeast Central Plains region. 



8. Explain why winter wheat is in such high favor in 

 the Southwest Central Plains. 



9. Suggest reasons why climatic conditions favor the 

 production of hard wheats in Kansas and of soft wheats 

 in the Eastern states. 



10. In what parts of the United States is Durum wheat 

 raised ? Why is it not grown more extensively ? 



11. To what conditions is the header best adapted ? 



12. Why is threshing out of shock more prevalent in the 

 Western great plains than in the Eastern states ? 



13. Why is the farm price per bushel of wheat lower in 

 the Western great plains than in New York ? 



14. Explain why the combine is used so extensively in 

 Oregon and adjacent states. 



15. What are the principal highways for wheat transpor- 

 tation in the United States ? 



16. What foreign countries serve as the markets for the 

 export wheat of the United States ? 



17. What are the chief wheat export cities? Where are 

 they situated ? 



18. Explain how the price of wheat in the United 

 States is related to the crops in other exporting coun- 

 tries. 



19. Suggest reasons why the percentage of flour exported 

 by the United States is relatively high. 



20. What are the principal commercial routes for Ameri- 

 can wheat and flour ? 



