52 



The Bulletin. 



Concisely, the averaire results for seven years' experiments with 

 varying quantities of fertilizer are as follows: 



* Average for four years. 



' Average for seven years. The other results are averages for seven j-ears. 



Table VI— RESULTS OF FERTILIZER EXPERIMENTS WITH CORX OX 



XITROGEX AXD TIME 

 RESULTS IX FIELD B 



Number 



of 



Plat. 



Fertilizer Application per Acre. 



11» 



lst=. 

 150 pounds 14% acid phosphate=. 



?^N"= 4.5 



34.6 pounds 13% blood at planting= HN= 4.5 . 



30.4 pounds 14.8% nitrate of soda about July 



21 



22. 5 pounds 20% manure salt= K= ' 4.5 



28.1 31.3 ' 35 



,' 



12« 



30.4 pounds 14.8% nitrate of soda at planting=...3'^X^ 4.5 



30.4 pounds 14.8% nitrate of soda about July 



lst= HN'= 4.5 



21 



150 pounds 14% acid phosphate= ^^^l— 



22.5 pounds 20% manure salt= K= . i 4.5 



27. 3 32. 3 32. 7 



13« 



34. 6 pounds 13% blood at planting= HN= 4.5 



54.6 pounds 13% blood about July lst= HN"= 4.5 



150 pounds 14% acid phosphate= P= 21 



22. 5 pounds 20% manure salt^= K:= .• , 4.5 



25. 1 28. 8 32. 7 



14> 



Unfertilized= 0= 



25. 8 6. 



3.5 



