COMMERCIAL FERTILIZERS. 



527 



Valuation per two thousand pounds ; — 



115.8 jiounds of soluble phosphoric acid, 

 73.0 pounds of reverted phosphoric acid, 

 87.6 pounds of insoluble phosphoric acid, 

 4G.8 pounds of potassium oxide, . 

 67.0 pounds of nitrogen, 



$31 09 



Farmers' Fertilizer : '•'- Reaper Brand." 



(Farmers' Fertilizer Company, Syracuse, N. Y. ; collected of H. P. Lucas, Pitts- 

 field, Mass.) 



Guaranteed composition: Available phosphoric acid, 5.5 

 to 7 per cent. ; insoluble phosphoric acid, 1 to 2 per cent. ; 

 potassium oxide (sulphate), 8 to 10 per cent. ; ammonia, 2 

 to 3 per cent, (equivalent to nitrogen, 1.7 to 2.5 per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosjihoric acid. 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Potassium oxide, . 

 Nitrogen, . 

 Insoluble matter, . 



Per ceut. 



14.35 

 7.51 

 5.25 

 2.08 

 0.18 

 3.60 

 2.60 

 4.53 



Valuation per two thousand pounds : — 



105.0 poimds of soluble phosphoric acid, 

 41.6 pounds of reverted phosphoric acid, 

 3.6 poimds of insoluble phosphoric acid, 

 72.0 pounds of potassium oxide, . 

 50.0 pounds of nitrogen. 



$8 40 



3 12 



11 



3 96 



8 75 



$24 34 



Great Eastern Potato Phosphate. 



(Great Eastern Fertilizer Company, New York ; collected of F. "W. Bechtel, Glen- 

 dale, Mass.) 



Guaranteed composition ; Soluble phosphoric acid, 6 to 8 

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

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

 6 to 8 per cent. ; ammonia,. 2.5 to 3.5 per cent, (equivalent 

 to nitrogen, 2.1 to 2.9 per cent.). 



