FERTILIZER ANALYSES. 



136- Sponge Refuse. Sent on from Albany, N. Y 



Moisture at 100'' C. 

 Nitrogen, 

 Ferric oxide, 

 Calcium oxide. 

 Magnesium oxide. 

 Phosphoric acid. 

 Insoluble matter, 



7.25 per cent. 

 2.43 

 .17 

 3.94 

 1.27 

 3.19 

 59.05 



137. Florida Marl. Sent on from Boston, Mass. 



Moisture at 100° C, 

 Calcium oxide. 

 Magnesium oxide, 

 Ferric oxide. 

 Phosphoric acid, 

 Insoluble matter. 



.60 per cent. 



41.75 



1.03 



.36 



2.72 



21.95 



BONES. 

 138. Pure Dissolved Eaw Bones. Sent on from Amherst, Mass. 



Moisture at 100° C, 



Total phosphoric acid. 



Soluble 



Reverted " " 



Insoluble " " 



Nitrogen " " 



Valuation per 2000 lbs. 



10.23 per cent. 

 16.03 



7.76 



3.83 



4.44 



2.64 



140.67 



Dissolved Boneblack, of Bowker Fertilizer Co., Boston, Mass. 

 Collected by State Inspector. 



Guaranted composition ; soluble phosphoric acid 12 to 13 

 per cent. 



Moisture at 100° C, 20.78 per cent. 



Total phosphoric acid, 15.66 " 



Soluble " " 12.76 " 

 Insoluble " " 2.90 " 



Valuation per 2000 lbs 



$31.55 



