COM]VIERCIAL FERTILIZERS. 



529 



Great Eastern General Fertilizer. 



(Great Eastern Fertilizer Company, New York; collected of S. H. Prindle, Wil- 



liamstown, Mass.) 



Guaranteed composition : Soluble phosphoric acid, G to 8 

 per cent. ; reverted phosphoric acid, 2 to 4 per cent. ; in- 

 soluble phosphoric acid, 1 to 3 per cent. ; potassium oxide, 

 2 to 4 per cent. ; ammonia, 3.5 to 4.5 per cent, (equivalent 

 to nitrogen, 2.9 to 3.7 per cent.). 



Per cent. 



Moistui-e at 100° C, 12.53 



Total phosi3horie acid, 9.G6 



Soluble phosphoric acid, 6.62 



Reverted phosphoric acid, 1.65 



Insoluble phosphoric acid, 1.39 



Potassium oxide, ....,,.. 2.17 



Nitrogen, 3.33 



Insoluble matter, 6.25 



Valuation per two thousand pounds : 



132.4 pounds of soluble phosphoric acid, 

 33.0 pounds of reverted phosphoric acid, 

 27.8 pounds of insoluble phosphoric acid, 

 43.4 pounds of potassium oxide, . 

 66.6 pounds of nitrogen, 



$27 40 



Adams' Market Bone Fertilizer. 

 (Collected of C. W. Shaw, Springfield, Mass.) 



Guaranteed composition: Total phosphoric acid, 9 to 11 

 per cent. ; available phosphoric acid, 8 to 10 per cent. ; 

 potassium oxide, 3 to 5 per cent. ; nitrogen, 3.15 to 4 per 

 cent, (equivalent to ammonia, 4 to 5 per cent.). 



Per cent. 



Moisture at 100° C, 13.78 



Total phosphoric acid, 9.33 



Soluble phosphoric acid, 3.14 



Reverted phosphoric acid, 3.62 



Insoluble phosphoric acid, 2.57 



Potassium oxide, 6.30 



Nitrogen, 2.54 



Insoluble matter 2.93 



