388 FIELD CROPi^ 



and at least a few plants of each (with the possible exceptions of the 

 velvet bean and bur clover in the North) may well be grown on the 

 school farm. They can be utilized as illustrative material in the fresh 

 state in the field or dried and used in the laboratory at any season of 

 the year. For growing in the northern portion of the United States, 

 early varieties of cowpeas like New Era and of soy beans like Ito San 

 should be selected. 



REFERENCES 



Cyclopedia of American Agriculture, Vol. II, Bailey. 



Farm Crops, Burkett. 



Forage and Fiber Crops in America, Hunt. 



Field Crop Production, Livingston. 



Productive Farm Crops, Montgomery'. 



Forage Crops and Their Culture, Piper. 



The Peanut and Its Culture, Roper. 



Peas and Pea Culture, Sevey. 



Clovers and How to Grow Them, Shaw. 



Forage Crops, Shaw. 



Forage Crops, Voorhees. 



Meadows and Pastures, Wing. 



Farmers' Bulletins: 



278. Legimainous Crops for Green Manuring. 



289. Beans. 



318. Cowpeas. 



372. Soy Beans. 



431. Peanuts. 



441. Lespedeza, or Japan Clover. 



515. Vetches. 



529. Vetch Growing in the South Atlantic States. 



690. The Field Pea. 



693. Bur Clover. 



886. Harvesting Soy Bean Seed. 



797. Sweet Clover: Growing the Cro]). 



820. Sweet Clover: UtiUzation. 



836. Sweet Clover: Harvesting and Thi-eahing the Seed Crop, 



