212 



Report of the Chemist op the 



Cost of One Pound of Plant-Food to Consumer. 



Nitrogen in complete fertilizers. 



Spring goods 



Fall goods 



Average for year 



Bone-meal and tankage 



Dried blood 



Fish scrap 



Nitrate of soda 



Phosphoric acid in complete fer- 

 tilizers. 

 Spring goods. 



Available 



Insoluble 



Fa'l goods. 



Available 



Insoluble 



Average for year. 



Available 



Insoluble 



Dissolved pliospbates. 



Available 



Insoluble 



Fish-scrap 



Bone-meal and tankage . 

 Phosphoric acid and 

 mixtures 



Available 



Insoluble 



Wood-ashes 



Potash in complete feitilizers 



Spring goods 



Fall goods 



Average for year 



Kalnit 



Muriate of potash 



Sulphate of potash 



Sylvinite 



Wood-ashes 



Potash and phosphoric 

 mixtures 



potasl 



Lowest. 



Cents. 



11.5 

 1:3.3 



10.5 

 10.8 

 10.8 

 13.1 



4.5 

 1.6 



5.2 

 1.9 



4.5 

 1.6 

 4.0 

 4.3 



5.0 

 1.8 

 0.6 



3.7 

 4.3 



5.6 

 3.7 

 4.7 

 4.9 

 6.6 



4.0 



Highest. 



Cents. 



35.4 

 43.4 



2.5.9 

 31.8 

 10.9 

 16.3 



13.9 

 5.0 



17.0 

 6.2 



12.2 

 4.4 

 4.2 

 9.7 



12.4 



4.5 



10.6 



11.4 

 14.0 



6.3 

 4.0 

 6.4 

 5.4 

 10.6 



10.1 



Averag.^. 



Cents. 



20 



20.4 



20.2 



13.8 



15.6 



1(1.9 



14.3 



7.9 

 2.9 



8.0 

 2.9 



7.95 

 2.9 



6.6 

 2.4 

 4.1 

 5.6 



7.8 

 2 8 

 8.6 



6.4 

 6.6 

 6.5 

 6.0 

 3.8 

 5.5 

 5.1 

 8.6 



6.3 



5. Commercial Names used for Phosphoric Acid in 

 Fertilizers. 



Of the 39 samples containing only phosphoric acid, three were 

 called dissolved bone-black. The remaining 3G samples were 

 sold under 19 different names. Several were called " dissolved 

 bone," " soluble bone," etc., introducing the word bone promi- 

 nently in one form and another. It is noticeable thnt in only 



