42 



AGRICULTURAL EXPERIMENT STATION. 



Average. 



Fertilizers Applied. 



No fertilizer. 



Dissolved bone black, containing phosphoric acid . 



J Dissolved bone black, I Containing phosphoric acid 

 ( Muriate of potash, | 



f Dissolved bone black, 

 J Muriate of potash, 

 (_ Sulphate of ammonia, 



Fine ground bono 



and potash. 



Containing phosphoric acid, 

 potash and nitrogen, 



Yield 

 per plot 



Yield 

 per acre. 



Beans. 



bush. 

 14.4 



17.0 

 21.1 



26^4 

 14.8 



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

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

 barley. The grain only was weighed. 



Plot. 



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 . . . . 



No fertilizer 



Dissolved bone black. 



Dissolved bone black, 

 utash . . . 



5 Dissolved bone 

 ( Muriate of pot 



Dissolved bnne black. 

 Vluriate of potash . . . 

 Sulphate of ammonia. 



o o 



^ a 



a u 



3 s 



o o< 



a - 



Fine ground bone. 



lbs. 



400 



400 

 100 ; 



400 



100 I 

 loo; 



400 



400 



400 

 100; 



400- 



loo] 

 loo; 



400 



a. 



pi 50 



lbs. 

 29 



25 

 33 



47 



30 

 20 

 24 



36 



44 

 30 



I 



a. 



— ° 

 .2 £ 



bush. 

 12.0 



10.4 

 13.7 



19.5 



12.5 



8.2 

 10.0 



15.0 



18.3 

 12.5 



