COMMERCIAL FERTILIZERS. 



233 



Soluble phosphoric acid 



Total nitrogen ....... 



Potassium oxide 



Insoluble matter 



Valuation per ton of two thousand pounds : — 



175.4 pounds of phosphoric acid . 



1.4 pounds of soluble phosphoric acid 

 42 pounds of nitrogen .... 

 116.4 pounds of potassium oxide . 



II. 



Strawberry Fertilizer. 

 (Sent on by A. P. Slade, Esq., Somerset, Mass.) 



Moisture lost at 100° C. 

 Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid . 

 Soluble phosphoric acid . 

 Reverted phosphoric acid 

 Insoluble phosphoric acid 

 Total nitrogen 

 Potassium oxide 

 Insoluble matter . 



Per cent. 



.07 

 2.10 



5.82 

 4.82 



$10 53 



17 



8 40 



5 24 



$24 34 



Per cent. 



16.GG 



G5.10 



34.90 



6.G6 



5.80 



None. 



.8G 



3.51 



4.91 



.03 



Valuation per ton of two thousand pounds 



116 pounds of soluble phosphoric acid 

 17.2 pounds of insoluble phosphoric acid 

 98.2 pounds of potassium oxide . 

 70 2 pounds of nitrogen .... 



III. 



§13 92 



1 04 



3 93 



14 04 



$32 93 



