44 SUCCESSFUL FARMING 



tage. Planting should not occur until there is no danger of frosts. Among 

 the varieties which are popular may be mentioned Kleckley Sweet, Kolb 

 Gem, Cuban Queen, Halbert Honey, Dixie and Sugar Stick. Cole and 

 Fordhook are very hardy varieties desirable for planting in northern 

 districts. 



REFERENCES 



"How to Grow Vegetables." French. 

 "Garden Farming." Corbett. 

 "Vegetable Gardening." Watts. 

 "Sweet Potato Culture." Fitts. 

 "Market Gardening." Yeaw. 



Pennsylvania Expt. Station Bulletin 137. "Cabbage Experiments." 

 Canadian Dept. of Agriculture Bulletins: 



196. "Tomatoes." 



199. "Onions." 



203. "Cabbage and Cauliflower." 



231. "Vegetable Growing." 

 Farmers' Bulletins, U. S. Dept. of Agriculture: 



324. "Sweet Potatoes." 



354. "Onion Culture." 



434. "The Home Production of Onion Seed and Sets." 



433. "Cabbage." 



520 and 548. "Storing and Marketing Sweet Potatoes." 



642. "Tomato Growing in the South." 



