THE WILD LEG1 MES 01 MARYLAND AND THEIR UTILIZATION. 



form. Therefore while the practice of growing these non-leguminous 

 "!i manures, is desirable, if wisely followed, it should be 



- 1 — Soy Bean — After Abel. Farmers' Bulletin 121, United States Department of 



a. riculture. 



remembered that they do not add plant food to the soil, but only in- 

 crease the organic matter. 



TUBERCLE PRODUCING BACTERIA AND METHODS OF SOIL INOCULATION. 



It lias been stated above that in order for a legume to utilize the 

 ■spheric nitrogen, a certain germ or bacterium must be present on 

 the roots. This germ enters the young roots, and after locating itself. 

 causes a multiplication of cells around it which produces the tubercles 

 This ma Us remai and succulent, in 



comparision with the rest of the root-, and is always sufficient! 

 to admit the atmospheric nitrogen, which is abundant in all well culti- 

 vate ict means by which the bacteria place the nitrogen 

 of the at • at the disposal of the plant is not thoroughly under- 

 '. but it is known that the tubercl the dwelling places of the 

 - through which th< heric nitrogen reaches the plant. 



