10 



Co-operative Fertilizek Tesi" at Bessemer, Ala, 



This work \7as clone under the Local Experiment 

 Law and in co operation with the Tennessee Coal and 

 Iron Company 



The test was continued for three years. The results 

 are sho^^'Tl in the following table. From the averagt 

 yields for each kind of fertilizer, we derive the follow- 

 ing conclusions regarding the values of the various 

 fertilizer constituents used: 



The use of slaked lime, even at the extremely low 

 rate of 207 pounds per acre, in addition to a complete 

 fertilizer, appears to have increased the yield by 2,27<S 

 pounds of cabbage per acre. (Plot 5 without lime : 

 Plot 6 with lime.) 



An application of 310 pounds of nitrate of soda per 

 acre, in addition to acid phosphate and muriate oi 

 potash, gave an increase of 4,311 pounds of cabbage 



