REVIEW QUESTIONS 405 



of corn showing the characteristic shape, proportion and arrange- 

 ment of parts. How do the different types of corn get their 

 names ? Where is each type grown, and how do you account 

 for this distribution ? Discuss the usefulness and importance 

 of each type. 



XI. What are the important uses of corn ? Name several 

 manufactured products made from it. What is gluten feed and 

 gluten meal ? 



XII. What is the average annual world's production of corn 

 for the four years 1908 to 1912 ? At current market prices what 

 is its value ? What are the leading corn-producing countries 

 of the world ? In what ways may an increase in production be 

 brought about? What is meant by the term "corn belt" 

 states ? What is the average yield per acre in the United States ? 

 In the corn belt ? In your state ? In your county ? 



XIII. What soils and climates are suitable for growing corn ? 

 What are the principal factors that limit the production in vari- 

 ous parts of United States ? 



CHAPTER IV 



I. When does com do best in the rotation? What can you 

 say of the practice of continuous culture ? What kinds of soil 

 may usually be profitably fertilized for corn? How should the 

 fertilizer be applied ? 



II. What are the benefits derived from plowing? What are 

 the special advantages of fall plowing ? What can you say of 

 late spring plowing ? 



III. How would you prepare a seed bed on fall plowed land ? 

 On spring plowed land? What can you say of the use of the 

 roller in preparing a seed bed ? 



IV. What does the farmer mean by the term a " stand of 

 corn " ? What is a perfect stand, and what factors must the 

 farmer overcome to secure it? Make a germinating box and 

 carry through a germination test of several ears of corn. Ex- 

 plain the precautions necessary to take in order to secure a useful 

 test. 



V. What can you say of the practice of grading seed corn ? 



VI. Discuss early versus late planting of corn. 



VII. Discuss deep versus shallow planting of corn. 



