76 



AGRICULTURAL EXPERIMENT STATION. 



Average. 



Fertilizer Applied. 







Yield 

 per plot. 



Beans. 



lbs, 

 43.5 



51.2 



Yield 

 per acre. 



Beans. 





|bush. 

 14.4 



Dissolved bone black, containing phosphoric acid 



17.0 



5 Dissolved bone black, Containing phosphoric 

 I Muriate of potash, and potash, 



acid 



I- 



63.5 



21.1 



C Dissolved bone black, 

 ^ Muriate of potash, 

 (Sulphate of ammonia. 



Containing phosphoric 

 potash and nitrogen, 



acid 



l... 



79.3 



26.4 









44.5 



14.8 











Experiment of W. H. Keith, Winthrop. Soil, sandy loam, clay 

 subsoil. The field had not been plowed for nine years. Crop, 

 barley. The grain only was weighed. 



Plot. 



9 

 10 



Fertilizers Applied. 



No fertilizer 



Dissolved bone black , 



Dissolved bone black. 

 Muriate of potash . . . . 



Dissolved bone black. 

 Muriate of potash. . . . 

 Sulphate of ammonia. 



Fine ground bone . . . . 



^fo fertilizer 



Dissolved bone black. 



Dissolved bone black 

 Muriate of potash.. . 



C Dissolved bone black. 

 ,? .Muriate of potash .. . . 

 ( sulphate of ammonia 



Fine ground bone 



lbs. 



400 



400 ) 

 1005 



400- 



100 



100! 



400 



400 



400 

 100 



400- 

 100' 

 100' 



400 



K-i bo 



lbs. 

 29 



33 



47 



30 



20 

 24 



36 



44 

 30 



2 a 

 ~ '3 



bush. 

 12.0 



10.4 

 13.7 



19.5 



12.5 



8.2 



10.0 



15.0 



18.3 

 12.5 



