No. 6. 



DEPARTMENT OF AGRICULTURE. 



855 



The value of the crop per acre for the different fertilizers applied 

 is shown in the following table: 



TABLE 13. 

 Average Yearly Value of Hay per Acre. 



Form of Phosphoric Acid Applied in Connection 

 Plot*. with Nitrogen and Potash. 



C & I 

 B & H 

 A & G 

 D& J 

 E & K 

 F &L. 



Form in which the 



Phosphoric Acid 



Was Applied. 



Insoluble phosphoric acid Ground bone 



Reverted pliosphoric acid, B ne black and lime, 



Soluble phosphoric acid, Bone black 



Insoluble phosphoric acid South Carolina rock. 



No phosphoric acid, j 



Nothing 



Value. 



$1S 69 

 IS 33 

 17 59 



17 41 

 13 84 



18 38 



CORN. 



Taking the average for the three vears, 1880, 18'JU and 181)4, in- 

 soluble phosphoric acid (ground bone), was first in the yield of grain 

 and stover, reverted second in grain and third in stover, soluble 

 third in grain and second in stover, and insoluble (South Carolina 

 rock) fourth in grain and stover. 



TABLE 14. 

 Average Yield of Corn Plots. 



Soluble phosphoric acid, 

 Reverted phosphoric acid 

 Insoluble phosphoric acid 

 Insoluble phosphoric acid 



No phosphoric acid 



Nothing, 



189 

 189 

 202 

 186 

 162 

 100 



