120 



THE WHEAT INDUSTRY 



Cost of Wheat Production in Nebraska 



Nebraska Experiment Station, 

 Bulletin No. 122. 



QUESTIONS AND EXERCISES 



1. What are the three great factors to be considered 

 in wheat production ? 



2. What climatic conditions are most favorable to wheat 

 production ? 



3. Where is irrigation important? What are its ad- 

 vantages and disadvantages ? Suggest reasons why, in the 

 United States, other crops are grown more extensively under 

 irrigation than is wheat. 



4. What are weeds ? How are they injurious to wheat ? 



5. How do rusts and smuts injure the grain ? How 



