336 



BOAED OF AGRICULTURE. 



Valuation per ton of 2 



154.8 pounds of soluble phosphoric acid, 

 21.2 " of reduced 

 56.4 " of insoluble 

 57.6 " of nitrogen, . 



000 pounds. 



n. — Sea-Fowl Guano. 



138 69 



(Messrs. W. L. Bradley & Co. Collected of Messrs. Bagg & Batchelder, of Spring- 

 field, Mass.) 



Found. 

 Per Cent. 



Total jjhosphoric acid, 

 Soluble 

 Reduced " 

 Insoluble " 

 Nitrogen, 

 Potassium oxide, . 



11.86 

 5.60 

 1.61 

 4.65 

 3.13 

 1.25 



Valuation per ton of 2,000 pounds 



112.0 pounds of soluble phosphoric acid, 

 32.2 " of reduced " " 



93.0 " of insoluble " " 



62.6 " of uiti-ogen, 

 26.0 " of potassivun oxide, . 



m. — Soluble Nitrogenous Phosphate. 



839 52 



(Quinnipiac Fertilizer Company, Connecticut. Collected of Charles Smith, Amherst, 



Mass.) 



Total phosphoric acid, 



Soluble 



Reduced " " 



Insoluble " 



Niti'ogen, 



7.70 per cent. 

 6.52 



1.18 

 3.65 



Moisture, 22.17 



Valuation per ton of 2,000 pounds. 



130.4 pounds of soluble phosphoric acid, .... 

 23.6 " of insoluble " " .... 

 78.0 " of nitrogen, 



$16 30 



1 18 



18 25 



$35 73 



