FERTILIZER CONTROL STATION. 



307 



Comments. The fertilizers produced a small increase of yield, 

 that with the complete fertilizer being much larger than in any other 

 case. 



J. M, Deering, Saco. 



Crop, corn. Soil, moist, interval land, in grass for seven years, 

 yielding rather more than one ton of hay per acre when plowed. 



Plot. 



1 

 2 



5 



6 



7 

 8 



9 



10 



Fertilizer 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 

 riate of potash .. ., 



5 Dissc 

 I Muri 



c Dissolved 

 .? Muriate of 

 C Sulphate o 



t" Dissolved bone black.. 

 )f potash .. .. 

 of ammonia 



c .2 o 



O t^ 



<~ u u 



C (J) o 



lbs. 



Fine ground bone 



400 



400) 

 100 J 



400^ 

 100 V 

 100 > 



400 



400 



400 ) 

 1005 



400) 

 100 V 

 100 i 



400 



o o 



lbs. 

 8,480 



8,400 

 10,200 



9,800 



9,600 

 8,000 

 8,840 



10,600 



Yield Per Acre. 



Grain. Fodder. 



bush. 

 40. 



40. 

 53.3 



48. 



50.7 

 37.3 

 43.2 



56.0 

 50.7 



10,200 

 9,800 ji 50.7 6,000 



lbs. 

 5,480 



5,400 

 6,200 



6,200 



5,800 

 5,200 

 5,600 



6,400 

 6.400 



Average. 



No fertilizer , . . . . 



Dissolved bone black, containing phosphoric acid, 



< Dissolved bone black, Containing phospho- 

 \ Muriate of potash. , ric acid and potash. 



\ 



< I?- J 1, Containing phospho- ) 



< Fine ground bono.... I . ., ^j ■'^ )■ 

 (_ ° ric acid and nitrogen 5 



Dissolved bone black. Containing phospho- 

 Muriittu of potash, ric acid, potash and 



sulphate of ammonia.' nitrogen. 



o 



Yield per 

 Acre. 



Increase of 

 yield over 

 plots with no 

 Fertilizer. 



« 2 

 ^ < Grain Straw. Grain. 



lbs. I bush, ; lbs 

 8,240! 38.7 ; 5340 



bush. 



Fodder, 

 lbs. 



160 



960 



560 



