22 a 



EXPERIMENT STATION. 



[Jan. 



nitrogen plots of turning under the roots and stubble of a 

 leguminous crop. The field was divided in 1909, and half of 

 each plot received an application of lime at the rate of 2^ tons 

 per acre; again, in 1913, the same half of each plot received an 

 application of lime at the rate of 2 tons per acre. The crops 

 since liming have been: 1909, clover; 1910, clover; 1911, corn 

 followed by clover; 1912, corn followed by clover; 1913, Jap- 

 anese millet; 1914, oats, grass and clover; 1915, grass and 

 clover; 1916, Japanese millet. 



This year the crop was Green Mountain potatoes. The 

 yields on the different plots are shown in the following table: — 



Potatoes. 



1 To equalize the nitrogen, phosphoric acid and potash, this plot received in addition to the 

 manure: — 



Nitrate of soda, 110 pounds per acre. 



Sulfate of potash-magnesia, 150 pounds per acre. 



Dissolved boneblack 380 pounds per acre. 



