ANALYSES. 



201 



ANALYSES OF "THE MAGNUM BONUM SOLUBLE 

 PHOSPHATE," DUGDALB & GIRVIN SOLE PRO- 

 PRIETORS, BALTIMORE, MD. 



Percentage, or amount contained in 100. 



From the mean of the above analyses, we de- 

 duce the following amounts contained in a ton, 

 or 2000 Ibs., together with the value of a ton to 

 the farmer : 



250-60 Ibs. Water @ $0.00 per Ib. $0.00 



4-00 " Actual Ammonia @ 0.25 " 1.00 



14-60 " Nitrogen in organic matter. @ 0.15 " 2.19 



16-60 " Potash @ 0.08 " 1.33 



89-40 " Soluble Phosphoric Acid .. @ 0.12$ k< 11.17 



135-80 " Insoluble " . @ 0.00 " 0.00 



Total value as fertilizer $15. 69 



Value of bags (say) 2.00 



Total value to farmer $17.69 



The above named fertilizer is sold at $52 per 



