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 corn 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. 



