210 



MAIXE AGRICULTURAL EXPERIMEXT STATIOX. 



THE GROWTH OF PEAS ON INOCULATED SOIL. 



Treatment. 



^P 



< I 



^2 



Remarks: 



Check. 



Pot No. 1 



PotXo.2 



Pot No. 3 



Pea nitragin. 



PotXo.l 



PotXo.2 



Pot No. 3 



Lupine nitragin. 



Pot No. 1 



Pot No. 2 



Pot No. 3 



Clover nitragin. 



Pot No. 1 



Pot No. 2 



Pot No. 3 



Swainsona tubercles 



Pot No. 1 



Pot No. 2 



Pot No. 3 



Horse bean tubercles 



Pot No. 1 



Pot No. 2 



Pot No. 3 



6.0 

 6.2 

 6.0 



0.0 

 6.1 



6.1 



6.3 

 6.8 

 6.1 



5.8 

 6.2 

 5.2 



5.5 



5.8 



5.2 

 5.2 

 4.9 



5.7 

 5.0 

 4.8 



6.0 

 4.8 

 4.2 



4.5 



4.8 

 4.3 



4.0 

 4.1 

 4.2 



5.6 

 5.7 

 5.5 



5.9 5.9 

 4.4 I 5.0 

 4.7 1 0.0 



6.0 

 5.6 

 5.6 



6.2 

 5.8 

 5.6 



5.1 

 5.3 



4.7 



4.7 

 4.7 

 4.9 



5.9 



238 



301 



266 



210 



Well developed tubercles 

 were found in all of the 

 pots. 



Tubercles rather more 

 numerous than in the 

 check. 



Tubercles well developed, 

 mostly near surface of 

 pots and near where seed 

 was planted. 



As in the preceding and 

 more abundant. 



Root growth less vigorous 

 than in any of the preced- 

 ing. Tubercles few and 

 small. 



General condition as in 

 the last. 



