PLATE X. 



Fig. 1. — Showing a comparison of plants taken from field 

 plots fertilized with calcium cyanamid and with dried blood. 



(1) Rape from plot fertilized with calcium cyanamid. 



(2) Rape from plot fertilized with dried blood. 



(3) Bur clover from plot fertilized with calcium cyanamid. 



(4) Bur clover from plot fertilized with dried blood. 



(5) Crimson clover from plot fertilized with calcium cyana- 

 mid. 



(6) Crimson clover from plot fertilized with dried blood. 



(7) Hairy vetch from plot fertilized with calcium cyanamid. 



(8) Hairy vetch from plot fertilized with dried blood. 



