195 



inooulated plots were easily observed by visitors, even when 

 standing at a considerable distance away. 



Yield per acre of hairy vetch from inoculated and non-inocu- 

 lated seed. 



o 



O 



10 

 12 



Av. 



Av. 



SEED. 



YIELD PER ACRE. 



Green Forage. 



Inoculated 

 Inoculated 

 Inoculated 

 Not inoculated 



Lbs. 



84«0 



11520 



1560 



Cured Hay. 



Lha. 

 3180 

 3360 

 S'iTO 

 564 



In this experiment the average yield of cured hay per 



HAIRY VETCH PLOTS. 



luoculated plants shown in upper part of picture ; non-inoculated plants 

 in lower part or foreground. 



acre was 8270 pounds with inoculated seed and only 564 

 pounds with ordinary seed. This is an increase of 2706 

 pounds of hay per acre as the result of inoculation. 



Inoculation Practicable. 



The cost of Nitragin, about 12.25 per acre, the risk of 

 finding that it has spoiled while in transit or before use, and 



