6 CULTURE OF THE SUGAR BEET. 



5. Culture: Soil required; physical qualities and chemical composi- 

 tion. Fertilizers : What, when, and how to apply ; influence upon the 

 composition and value of the crop. Preparation of the soil. Planting : 

 Time, methods, and apparatus employed; distance between plants, and 

 its influence upon the quantity and quality of the crop. Care to be 

 given crop during growth. Harvesting and storing. 



6. Social conditions affecting the culture : Eelations between growers 

 and laborers, and between growers and manufacturers. 



7. Extraction of sugar : Later improvements in the methods employed. 



