72 



AGRICULTURAL EXPERIMENT STATION. 



Average. 



No fertilizer 



Dissolved bone black, containing phosphoric acid. . 



C Dissolved bone black, I Containing phosphoric ) 

 I Muriate of potash. | acid and potash. 3 



S '^ \ '^ 



C Dissolved bone black, 

 ■? Muriate of potash, 

 (Sulphate of ammonia. 



Containing phosphoric ' 

 acid, Dotash and nitro- 

 gen. 



C T7- J u I Containing phosphoric ) 



\ ^'°« g^*^""*^ '^""^ • • • • I acid and nitrogen. I 



Yield 



per 



Plot 



TS 



-a 





a 



a 



13 



s 



s 



c 













p. 



p. 



















M 



a 



C3 



ca 



3 







1-5 



CO 



H 



24.5 



44. fe 



69.3 



65.5 



36.0 



101.5 



64.0 



48.5 



112.5 



107.0 



56.5 



163.5 



98.0 



36.5 



75.5 



Yield per acre. 



8.2 



21.8 



t 

 I 



21.8 16.2 



14.5 

 1I.9 



35.6 



12.9 



18.8 



12.1 



H 



23.1 

 33.8 



27.6 

 54.4 



25.0 



Experiment of H. L. Leland and W. E. Leland, East Sangerville. 

 Soil, medium clay, slate, loam ; bad been exhausted by cropping 

 for many j^ears without manuring. Previous hay crop, one-half 

 ton per acre. Crop, potatoes. Season unfavorable. 



Plot. 



9 

 10 



Fertilizer Applied. 



No fertilizer 



Dissolved bone black . 



Dissolved bone black. 

 Muriate of potash . . . . 



■ Dissolved bone black 

 ' Muriate of potash. .. 

 riulphate of ammonia. 



Fine ground bone.. .. 



N'o fertilizer 



Dissolved bone black. 



Dissolved bone black. 

 Muriate of potash . . . 



f Dissolved bone black, 

 ■? Muriate of potash. . . . 

 (_ Sulphate of ammonia. 



Fine ground bone 



as 



lbs. 



400 



400) 

 100 I 



400) 

 100 V 



iou3 



400 



400 



400 

 100; 



400- 

 100 J 

 100' 



400 



lbs. 

 193 



193 

 191 



262 



190 

 125 

 165 



222 



285 

 116 



bush. 

 65.0 



64.3 

 63.6 



87.3 



63.3 

 41.6 

 51.6 



74,0 



95,0 

 38.6 



