414 REVIEW QUESTIONS 



II. Discuss tiem with respect to (a) cultural methods, (6) 

 time and rate of seeding, (c) cultivation, (d) harvesting, (e) jaeld. 



III. How does the field pea differ from the cowpea and the 

 soy bean in respect to (a) general appearance, (b) botanical char- 

 acteristics, (c) distribution and adaptation, (d) cultural methods, 

 (e) uses, and (/) yield. 



IV. Where are field beans and peanuts grown as farm crops ? 

 Discuss their adaptations and cultural methods. Their yield 

 value and uses. 



CHAPTER XVIII 



I. What are the general characteristics of the root crops ? 

 What are the important root crops ? What are the important 

 groups of the beet family ? 



II. (a) How has the sugar beet been developed ? (6) What 

 is the sugar content of good beets ? (c) What is the world's 

 production, and what part of it is contributed by the United 

 States ? (d) What are the climatic and soil adaptations of the 

 sugar beet ? (e) Discuss the cultural methods of sugar beets with 

 respect to (1) preparation of land, (2) time and rate of seeding, 

 (3) cultivation, (4) harvesting, (5) marketing, (6) seed production. 



III. Discuss the mangel-wurzel, eaiTOt, turnip and rutabaga 

 with respect to (a) adaptation, (6) cultural methods, (c) uses, 

 (d) value, (e) yield. 



IV. (a) Is rape a true root crop ? (b) To what garden crop 

 is it closely related ? (c) Discuss rape with respect to (1) adapta- 

 tion, (2) use as hay, (3) use as pasture, (4) cultural methods. 



CHAPTER XIX 



I. Tell something of the history of the cotton plant, (a) To 

 what family of plants does it belong? (b) Give its characteris- 

 tics, with respect to (1) roots, (2) stem and leaves, (3) boU 

 and fiber, (4) seed, (c) Describe the three types of cotton. 



II. What is the principal use of the fiber? How is the fiber 

 prepared for the market ? How is it manufactured into cloth ? 



III. What use is made of the cotton seed ? What yield is 

 secured per acre ? What is its value ? 



IV. What is the world's production of cotton, and what part 



