VALUE OF SWAMP LANDS. 



II 



the other fertilizing elements also. Nitrogen was furnished 

 in the form of dried blood, phosphoric acid in steamed 

 bone meal, while muriate of potash at the rate of 200 

 pounds per acre was used for the potash. Lime was also 

 used on all the experiment plots. The result is shown in 

 the following table: 



The results are even more striking than on the Indiana 

 soil. It was evident that lime was not the needed addition, 

 for even where nitrogen and phosphoric acid were used 



