COMMEECIAL FERTILIZERS. 



545 



Valuation per two thousand pounds : — 



1G6.G pounds of soluble phosphoric acid, 

 2G.0 pounds of reverted ];hosp]ioric acid, 

 4.0 i)ounds of insoluble phosjihoric acid, 

 39.0 pounds of ])otassiura oxide, . 

 33.8 pounds of nitrogen, . . 



$22 98 



Seecling-Doivn Fertilizer. 



(Manufactured by Cumberland Bone Company, Portland, Mo. ; collected of J. Q. 

 Evans, Salisbury, Mass.) 



Guaranteed composition : Total phosphoric acid, 23.40 

 per cent. ; soluble phosphoric acid, 3.20 per cent. ; re- 

 volted phosphoric acid, 4.43 per cent. ; insoluble phos- 

 phoric acid, 15.77 per cent. ; potassium oxide, .97 per 

 cent. ; nitrogen, 1.45 per cent, (equivalent to ammonia, 

 1.7G per cent.). 



:^roisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted pliosphoric acid, 

 Insoluble phosphoric acid, 

 I'otassium o.xide, . 

 Nitrogen, 

 Insoluble matter, . 



rcr cent. 



12.17 

 22.38 

 2.72 

 3.04 

 1G.G2 

 1.13 

 1.G9 

 5.80 



Valuation per two thousand pounds : 



54.4 jiounds of soluble pliosphoric acid, 

 GO.S pounds of reverted phosjihoric acid, 

 332.4 pounds of insoluble phosphoric acid, 

 22.G jjounds of potassium o.xide, . 

 33.8 pounds of nitrogen. 



§25 7G 



