242 



AMERICAN MANURES. 



ANALYSES OF NEEDLES' IMPROVED SUPERPHOS- 

 PHATE OP LIME. 



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 : 



.... @ $0.00 per lb. $0.00 



112-20 Ibs. Water 



4-40 " Actual Ammonia @ 0.25 



12'40 " Nitrogen in org. matter (a) 0.15 



Trace Potash @ 0.08 



Trace Soluble Phos. Acid . . @ 0.12J 



449-80 " Insoluble Phos. Acid @ 0.00 



1.10 

 1.S6 

 0.00 

 0.00 

 0.00 



Total value as fertilizer 2.96 



Value of bags (say) 2.00 



Total value to farmer 4.96 



The above Phosphate is sold at $47 per ton, 

 involving a loss to the farmer of $42.04, or 847 

 per cent, on every ton he purchases ; or, taking 

 the manure alone, he pays for it nearly 16 times 

 as much as it is worth. 



