INSPECTION OF COMMERCIAL FERTILIZERS 



41 



Castor Pomace and Linseed Meal 



Dried Blood, Agrinite, Milorganite, Horn and Hoof Meal 



Manufacturer and Brand. 



Number 



of 

 Samples. 



Nitrogen. 



Found. 



Guaran- 



ll'C'll 



Phosphoric 

 Acid. 



Found 



Guaran- 

 teed. 



American Agricultural Chemical 



Agrinite .... 

 Apothecaries Hall Co. 



Horn and Hoof Meal 

 Consolidated Rendering Co. 



Dried Blood 



Dried Blood 

 New England Rendering Co. 



Brighton Blood Tankage 

 John Reardon & Sons Co. 



Rearco Dried Blood 

 Rogers & Hubbard Co. 



Dried Blood 

 Sewerage Commission of 

 Milwaukee 



Milorganite 



Milorganite 



Co. 



the 



City of 



8.60 



14.88 



13.74 

 13.48 



10.72 



12.39 



13.67 



6.47 

 6.22a 



8.50 



14.00 



13.00 

 13.00 



10.69 



12.00 



12.00 



6.00 

 6.00 



1.01 



.38 



3.14 



1.02 

 .04 



3.076 

 3.156 



2.75 

 2.75 



a The total nitrogen was made up of the following forms: nitrates .47%; water soluble organic 

 .24%; water insoluble organic 5.51%; the latter was found to be of good quality, testing 56.2 and 

 71.8 activity by the alkaline and neutral permanganate methods, respectively. 



6 The two analyses showed 2.56% and 2.69% available phosphoric acid, the guarantee being 2% 



