268 
ELEMENTARY AGRICULTURE 
the sun. They may then be stored in hampers or in 
bulk in a potato house, cellar, or potato banks. 
QUESTIONS 
1. Give five uses of the sweet potato. 
2. How long should the growing season be for sweet potatoes? 
What kind of soil is best for this crop? 
3. How should soil be prepared for sweet potatoes? 
4. Name five varieties of sweet potatoes. What is the most 
popular variety in your district? 
5. What are the sources of seed potatoes? How do seed sweet 
potatoes differ from eating potatoes? 
6. What is the source of sweet potato sets and slips in your 
section? 
7. Tell how to prepare a hotbed for growing sweet potatoes. 
8. State three important facts to be considered in drawing 
sets from the potato bed. 
9. When is the proper time to set sweet potato plants in the 
open field? How many sets does it take to set one acre of land? 
10. Tell how the slips may be planted in the field. 
11. State five problems to be considered in harvesting and 
marketing sweet potatoes. 
12. Describe a good potato house, cellar or bank. 
13. Name the most successful sweet potato growers in your 
district. 
14. How many pounds does a bushel of sweet potatoes weigh? 
15. Name ten of the principal sweet potato producing states. 
PRACTICAL WORK 
Exercise 1 
Object: To learn about sweet potatoes. 
Material: Secure several varieties of sweet potatoes and study 
them in the school room. 
Procedure: Learn the best size potatoes for baking and can¬ 
ning purposes. 
2. Place a sweet potato in the mouth of a large-mouth bottle 
where it will be partly submerged in the water. See how the 
sets form. 
3. Prepare a small hotbed on the school grounds and grow 
