BONES AND ANIMAL FERTILIZERS. 



333 



tees 4.8 per cent of nitrogen with 23.69 per cent of phos- 

 phoric acid, — a composition wliich, it must be conceded, is 

 an exceptionally good one. As the commercial value of bones 

 depends in a considerable degree on their mechanical con- 

 dition, it is well to take that point into consideration when 

 bu\ing. The best quality of "fine bones" sold at fortj^ 

 dollars per ton ; coarse qualities, like No. I., sold at from 

 twenty-eight to thirty dollars per ton. 



Valuation per ton of two thousand pounds : — 



101.8 pounds of nitrogen f20 36 



252.6 pounds of phosphoric acid . . . . 15 16 



$35 52 

 Animal Fertilizer with Potash. 



(Manufactured by Messrs. L. B. Darling & Co., Pawtucket, R.I. ; collected 

 of Messrs. Bagg & Batchelder, Springfield, Mass.) 



Per cent. 



Moisture lost at 100° C 9.19 



Total nitrogen 5.45 



Total phosphoric acid . . . . . .8.38 



Potassium oxide 8.86 



Insoluble matter, sand, &c. ..... 1.71 



Valuation per ton of two thousand pounds : — 



109 pounds of nitrogen .... 



167.6 pounds of phosphoric acid 

 167.2 pounds of potassium oxide 



$21 SO 



10 06 



7 53 



$39 39 



The value of this class of fertilizers, which along our 

 highways for Western transportation is largely supplied 

 by Western dealers, is better appreciated than formerly in 

 consequence of years of trial. Its early action on the crops 



