YALUATIO:^ OF FERTILIZERS, AKD 

 FERTILIZER A]N'ALYSES. 



Trade Values of Fertilizing Ingredients in Eaw 

 Materials and Chemicals. 



Cests per Pocsd. 



1881. 



1883. 



1883. 



Nitrogen in ammonia salts, 



Nitrogen in nitrates, 



Nitrofien in dried and fine ground fish, 

 Organic nitrofren in o;uano, and fine ground 



blood and meat, 



Organic nitrogen in cotton seed, linseed 



meal, and in castor pomace, . 

 Orfjanic nitroo^en in fine g^round bone. 

 Organic nitrosen in medium fine bone. 

 Organic nitrogen in medium bone. 

 Organic nitrogen in coarse medium bone, 

 Organic nitrogen in coarse bone, horn 



shavings, hair, and fish scraps, 

 Phosphoric acid, soluble in water. 

 Phosphoric acid, soluble in ammonia citrate,* 

 Phosphoric acid, insoluble in dry, fine 



ground fish, and in fine bone, . 

 Phosphoric acid, insoluble in fine medium 



bone, 



Phos])horic acid, insoluble in medium bone, 

 Phosphoric acid, insoluble in coarse medium 



bone, 



Phosphoric acid, insoluble in coarse bone. 

 Phosphoric acid, insoluble in fine ground 



rock phosphate, 



Potash as hiirh-grade sulphate, . 



Potash as kainite, 



Potash as muriate, 



1884. 



22 



18 

 20 



18 



18 

 18 

 16 

 14 



12 



10 



10 



9 



5| 



^ 



4 



^ 



* Dirigolvcil from two grams of phoapbato, unground, by 100 c. c. neutral solution of am- 

 monia citrate, ep. gr. 1.09 in 30 minutes at 40 dcg. C, with agitation once in five minutes; 

 commonly called "reverted" or backgone phosphoric acid. 



The above trade values are the figures at which, on March 

 1, 1884, the respective ingredients could be bought at 

 retail, for cash, in our markets in the raw materials, which 



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