190 AGRICULTURAL EXPERIMENT STATION. [Jan. 



yellowish-green, while those which received nitrogen in the 

 form of dried blood were especially dark-green colored. The 

 crop raised on the plats which received nitrogen in the form 

 of sulphate of ammonia retained the green color somewhat 

 longer than that of the remaining plats. 

 The crop was cut August 14, 15. 



Yield of Oat Crop on Different Plats (1893). 

 [Pounds.] 



Ratio of Grain to Straiv. 



