13 



Pot Experiments. Alfalfa, sownMay 6th., 3 cutting's. 



Total weight of green crop from untreated seed. . . .204.5 grams. 

 " " inoculated seed. .. .217.3 " 

 «< " inoculated soil 249.1 " 









Soy Bean Plant. The one on the left is from untreated seed, that on the 

 right from seed treated with nitro-culture. 



