1886.] PUBLIC DOCUMENT — No. 33. 113 



Fish Waste. 



[Sent on from the Secretary of Hampshire, Franklin and Hampden Society.] 



Per cent. 



Moisture at 100^ C, 41.92 



Total phosphoric acid, 6.20 



Soluble " " 83 



Reverted " " 2.02 



Insoluble " " 2.35 



Nitrogen, 7.60 



Insoluble matter, .28 



Valuation per 2,000 lbs , 134.37 



Ammonite. 



[Sent on by Secretary of Hatfield Grange.] 



Guaranteed composition : Ammonia, 15 to 16 per cent, 

 (equivalent to nitrogen, 12.4 to 13.2 per cent.) ; phosphoric 

 acid, 4 to 6 per cent. 



Per cent. 



Moisture at 100° C, 5.88 



Total phosphoric acid, 3.43 



Nitrogen (^ammonia, 13.76 per cent.), ... .11.33 

 Insoluble matter, 1.38 



Valuation per 2,000 lbs., $44.90 



The article consists, evidently, of fine-ground animal mat- 

 ter, freed from fat. Its general physical character is appar- 

 ently favorable to a speedy disintegration. The material 

 deserves attention as a source of nitrogen for plant growth. 



Dried Blood. 



[Sent on for examination by Bolton Farmers' and Mechanics' Association, 



Bolton, Mass.] 



Per cent. 



Moisture at 100° C, 7.65 



Nitrogen, 8.10 



Phosphoric acid, 6 23 



Insoluble matter, . 1.08 



Valuation per 2,000 lbs., $36.64 



Dried Blood. 



[Used at Experiment Station, 1885.] 



Per cent. 



Moisture at 100° C . . 16.10 



Nitrogen, 12.49 



Valuation per 2,000 lbs., $44 96 



