1913.] 



rUBLIC DOCUMENT — No. 31. 



163 



Effect of Supcrphosj>hatcs on Nitrogen. 



1910 



(Per Cent.). 



No phosphate, . 

 Low phosphate, . 

 Medium phosphate, 

 High phosphate, 



2.27 

 2.05 

 2.18 

 2.04 



Effect of Muriate of Potash on Nitrogen. 



1910 



(Per Cent.). 



No potash. 

 Low potash. 

 Medium potash, 

 High potash. 



2.10 

 2.02 

 2 06 

 2.08 



Effect of Season of Application of Nitrate of Soda on the Nitrogen. 



Spring Application. 



Plot 

 Number. 



1908 



(Per Cent.). 



1910 



(Per Cent.). 



Low, 



Medium, . 

 High, 



Average, 



1.57 

 2.18 

 1.96 



1 90 



1.64 

 1.97 

 1 96 



Low, 



Medium, 



High. 



Average, 



Spring and Summer Applications. 



33 



36 

 39 



1.73 

 1 92 

 1.98 

 1.88 



1.82 

 1.94 

 1.98 

 1.91 



