264 AGRICULTURAL EXPERIMENT STATION. [Jan. 



8. Field Experiments to study the Effect of Phos- 

 PHATic Slag and Nitrate of Soda as compared 

 WITH Ground Bone on the Yield of Oats and 

 Corn. 



East Field. 



The field used for this experiment is situated south of the 

 orchard and of the centre roadway. The soil consists of a 

 loam, and has been under careful cultivation for several 

 years. Its management during previous years can be seen 

 from preceding annual reports. 



2894. — During that season the operations on the field 

 were as follows. (See accompanying diagram.) One acre 

 on the upper (eastern) side was fertilized with : — 



Plat I. 



600 pounds of fine-ground bone and 

 200 pounds of muriate of potash. 



The remaining portion (1.8 acres) was fertilized at the 

 rate of : — 



/' 800 pounds of odorless phosphate, 

 Plat n. } 200 poimds of muriate of potash, and 

 C2OO pounds of nitrate of soda per acre. 



This corresponds per acre to : — 



No. 2 

 (Phosphate). 



Potassium oxide, 

 Phosphoric acid, 

 Nitrogen, 



104 



166 



31 



Composition of Fertilizer Applied. 



