VALUE OF SUPERPHOSPHATES. 



365 



No. 1 is mfinufactured from South Carolina phosphate; 

 is worth $41.80 per ton. (England.) 



No. 2 is manufactured from Canadian apatite, and is 

 worth 133.15 per ton; it was oflered for sale at $35.38 per 

 ton. (Canada.) 



Ammoniated Superphosphates. 



No. 1 is worth 



2 " 



3 " 



4 *' 



5 " 



$40.80 (Bradley's XL.) 



46.60 (Wilson's.) 



55.34 (Russel Coe's.) 



51.24 (G. W. Miles.) 



47.80 (F. Coe's.) 



These samples were, with but one exception, in their value, 

 considerably below the price at which they are usually sold 

 to farmers. Most of them show, to say the least, some loose 

 mauairement in reojard to their manufacture. The results of 

 Prof. S. W. Johnson, Prof. P. Collier, Dr. Nicholson and 

 others point in the same direction. 



