146 POTATOES 



6. What are the chief uses of potatoes ? 



7. What conditions of soil and climate do sweet potatoes 

 require ? 



8. How are sweet potatoes grown ? 



PRACTICAL EXERCISES 



1. Place a potato in a warm, moist place and watch the 

 sprouting of the eyes or buds. 



2. Cut a potato into several pieces, in such a way that each 

 piece has one or two eyes. Plant these pieces in the ground or 

 in a box of earth. From time to time pull up a plant to note 

 the growth of roots and tubers. How long after planting do 

 young tubers appear? 



REFERENCES 



Farmers' Bulletins: 35, Potato culture; 295, Potatoes and 

 other root crops as food; 324, Sweet potatoes; 365, Farm 

 management in northern potato-growing sections ; 386, Potato 

 culture on irrigated farms of the West; 407, Potato as truck 

 crop ; 410, Potato culls as source of industrial alcohol ; 520, 

 Storage and marketing sweet potatoes. 



