COMMERCIAL FERTILIZERS. 



503 



Valuation per two thousand pounds : — 



133. pounds of soluble phosphoric acid, 



37.4 pounds of reverted phosphoric acid, . 



69.2 pounds of insoluble phosphoric acid, 



19. pounds of potassium oxide, 



51.2 pounds of nitrogen (in organic matter), 



17.40 pounds of nitrogen (in ammonia salts), 



$34 66 



Lister^s Celebrated Corn Manure. 



(Collected of D. J. Wright, Northampton, Mass.) 



Guaranteed composition : Available phosphoric acid, 9 

 to 10 per cent. ; potassium oxide, 7 to 8 per cent. ; ammo- 

 nia, 4| to 5 per cent, (equivalent to nitrogen, 3.7 to 4.1 per 

 cent. ) . 



Moisture at 100° C, 

 Total phosphoric acid, 

 Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Potassium oxide. 

 Nitrogen (in ammonia salts). 

 Nitrogen (in organic matter), 



Valuation per two thousand pounds : — 



172.8 pounds of soluble phosphoric acid, 



8. pounds of reverted phosphoric acid, . 



9.8 pounds of insoluble phosphoric acid, . 



141.4 pounds of potassium oxide, 



18.2 pounds of nitrogen (in organic matter), 



64.8 pounds of nitrogen (in ammonia salts), 



12 35 



Complete Manure (Grass). 

 (Collected of H. L, Phelps, Northampton, Mass.) 



Guaranteed composition : Total phosphoric acid, 7 to 8 

 per cent. ; soluble and reverted phosphoric acid (available) , 



