FERTILIZER CONTROL STATION. 



309 



D. B. Johnson, Freedom. 



Crop, beans. The experimental field bad been in grass for eigbt 

 years. Soil ver}' uniform. 



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 

 Muriate of potash. . . 



Dissolved bone black . 

 Muriate of potash.. .. 

 Sulphate of ammonia. 



Fine ground bone 



< 



Cm 

 ^ <B 



I" 



c — 



lbs. 



400 



400 

 100 



o 





lbs. 

 740 



920 



1,840 



1,120 

 920 

 980 



1,280 



1,380 

 960 



Yield per Acre. 



tn 



a 

 a 



bush. 

 5.8 



7.7 



1,300 '■' 12.0 



14.7 



9.3 

 10. 



7.7 



11.5 



8.3 



00 



a 



lbs. 

 390 



460 

 580 



960 



540 

 320 

 520 



590 



10.3 740 



460 



Average. 



Fertilizer Applied. 



No fertilizer. 



Dissolved bone black, containing phosphoric acid, 



C Dissolved bone black, \ Containing phospho- J 

 < Muriate of potash, 1 ric acid and potash, 5 



Dissolved bone black, j Containing phospho- 

 Muriate of potash, | ric acid, potash and 

 Sulphate of ammonia,' nitrogen, 



u 

 o 



bi 



"3 ® 



o o I 



lbs. 

 830 



Fine ground bone 



Increase of 



yield over 



plots with no 



Fertilizer. 



Beans, Vines. 



bush. 



3.8 



4.6 



.9 



lbs. 



135 

 230 



495 

 145 



