80 



AGRICULTURAL EXPERIMENT STATION. 



Average. 



No fertilizer 



Dissolved bone black, containing phosphoric acid. 



C Dissolved bone black, 

 I Muriate of potash, 



f Dissolved bono black, 

 ^ Muriate of potash, 

 C Sulphate of ammonia, 



< Fine ground bone, 



Containing phosphoric 

 acid and potash. 



Containing phosphoric 

 acid, potash ar 

 gen, 



losphoric ^ 

 md nitro- > 



Containing phosphoric 

 acid and nitrogen, 



Tield per 

 Plot. 



.5 



'a 

 5 



o 



lbs. 



lbs. 



102 



100 



104 



106 



114 



140 



162 



256 



112 



170 



lbs 

 202 



210 



254 



41; 



282 



Yield per 

 acre. 



bu. 



27.2 



27.0 



30.0 



lbs 

 2000 



2100 



2800 



33.05120 



27.0 3400 



lbs. 

 4040 



4200 



5080 



8360 



5640 



Experiment of J. E. Sbaw, Hampden. Soil, gravel loam. 

 Had been cropped eight years. Cut about 500 lbs of hay in 1886. 

 Crop, corn. 



Fertilizers Applied. 



No fertilizer.. .... .. . 



Dissolved bono black. 



Dissolved bone black. 

 Muriate of potash. 



Dissolved bone black . 

 Muriate of potash. . . . 

 Sulphate of ammonia . 



Fine ground bone . . . . 



No fertilizer 



Dissolved bono black. 



Dissolved bone black . 

 Muriate of potash. . . . 



Dissolved bono black . 

 Muriate of potash. . . . 

 Sulphate of ammonia . 



Fine ground bone 





lbs 



400 



400 

 100 



400- 

 100 ] 

 100 ' 



400 



400 



400 

 100 



400- 

 100 ] 

 100. 



400 



Yield per Plot. 



lbs. 



87 



68 

 108 



126 

 80 



15 



77 



100 

 100 



lbs. 

 12f 



104 

 172 



200 



136 

 75 

 95 



176 



225 



lbs. 

 206 



172 

 280 



320 



216 



75 



110 



252 

 325 



215' 321 



Yield per Acre. 



bush. 

 21.6 



17.3 



28.3 344C 5600 



33.6 

 21.3 



4.0 

 44.5 



26.5 

 28.3 



lbs. 



2500 



2080 



4000 



2720 

 1500 

 1900 



3500 



4500 

 4300 



lbs. 

 4120 



3440 



6520 



4320 

 1500 

 2200 



6040 



6500 

 6420 



