March, 1917.] THE SOY BEAN IN NEW HAMPSHIRE. 



Roots of Soy Bean Showing Nodides. 

 A Veritable Nitrogen Factory. 



The soy bean, like clover and alfalfa, is a legume. If properly 

 inoculated it has the power of taking nitrogen from the air and 

 building it up into its own tissue. If grown it increases the 

 protein of the farm for feeding purposes and also gathers nitrogen 

 to enrich the soil. 



In contrast to field beans, the soy bean has no destructive 

 diseases which attack it. In our trials here at the station, no 

 disease whatever has developed on any of the plants, and the 

 past two seasons have been unusually favorable for the develop- 

 ment of fungous diseases. 



The soy bean is frost resistant, excelling both field beans and 

 corn in this respect. It is not hurt by light frosts in the spring 

 when the plant is young, and is particularly resistant to the 

 early frosts in the fall when it.is nearing maturity. 



The most serious pests of the soy bean in New Hampshire 

 are woodchucks and rabbits. The plants can not be sprayed 

 with a poison of any sort to combat these animals. They should 

 be killed in their dens with carbon bisulphide or if their work 



