1918. 



PUBLIC DOCUMENT — No. 31. 



31a 



increase in yield in 1917 over that in 1915 may be due to the 

 fact that the variety grown in 1917 was Early Canada, and 

 that grown in 1915 was Longfellow; or it may be due to the 

 fact that a crop of sweet clover was plowed under in the spring 

 of 1917; or it may be due to a combination of these two factors. 



' After plowing under a crop of sweet clover. 

 • Before plowing under a crop of sweet clover. 



Grass Plots. 

 The experiment in top-dressing permanent mowings with 

 different materials used in rotation has been continued, but 

 owing to the scarcity of potash this material was not applied 

 the past season. In the following table will be found the 

 fertilizer schedule and the yields per acre obtained on each for 

 this vear : — 



Fertilizers. 



Hay 



(Pounds). 



Rowen 

 (Pounds) 



Total 

 (Pounds). 



Barnyard manure, .... 



Bone and potash, ' . . . . 

 Slag and potash ' (earlier ashes plot), . 



3,741 



2,718 

 1,422 



1,487 



1,031 



907 



5,228 

 3,749 

 2,328 



' No potash was applied in 1916 or 1917 



