COMMERCIAL FERTILIZERS. 



345 



Soluble phosphoric acid . 

 Reverted phosphoric acid 

 Insoluble phosphoric acid 

 Nitrogen 

 Insoluble matter 



Valuation per ton of two thousand pounds 



30 pounds of soluble phosphoric acid . 

 82.6 pounds of revei'ted phosphoric acid 

 252 pounds of insoluble phosphoric acid 

 72 pounds of nitrogen 



Animal Fertilizer. 



143 58 



(MosBi-s. Wliittemorc Brothers, "Wayland, Mass. ; scut on fur examination.) 



Per cent. 



Moisture at 100° C. 

 Orfranic and volatile matter 



Ash constituents 

 Total phosphoric acid 

 Soluble phosphoric acid . 

 Reverted phosphoric acid 

 Insoluble phosphoric acid 

 Nitrogen 

 Potassium oxide 

 Insoluble matter 



Valuation per ton of two thousand pounds 



25 pounds of soluble phosphoric acid 

 55.4 pounds of reverted phosphoric acid 



172. G pounds of insoluble phosphoric acid 

 54.0 pounds of nitrogen 



144.8 pounds of potassium oxide . 



Boivker's Animal Fertilizer. 

 (Collected of Mr. William H. Earle, Worcester, Mass.) 



]\Ioisture 



Organic and volatile matter 



Ash constituents 



Total phosphoric acid . 



Soluble pho.sphoric acid . 



Insolitble phosphoric acid 



Reverted phosphoric acid 



Nitrogen 



Potassium oxide 



Insokible matter 



6.50 

 32.96 

 67.04 

 12.65 

 1.25 

 2.77 

 8.63 

 2.73 

 7.24 

 5.36 



13 12 



4 99 



10 36 



13 10 



7 24 



$38 81 



Per cent. 



10.33 



49.93 



50.07 



11.99 



4.78 



2.18 



5.03 



3.79 



4.84 



5.57 



