DEPARTMENT OF CHEMISTRY. 



J. B. LiNDSEY, Chemist 



INSPECTION OF COMMERCIAL FERTILIZERS FOR 



THE SEASON OF 1923. 



BY H. D. HASKINS, CHEMIST IN CHARGE, ASSISTED BY L. S. WALKER AND S. J. BRODERICK. 



MANUFACTURERS AND BRANDS. 



During the season of 1923, 78 manufacturers, importers and dealers, including the 

 various subsidiaries of the large companies, secured certificates for the sale of 510 

 brands of fertilizer and fertilizing materials in Massachusetts. The following classi- 

 fication shows the general character of the fertilizers registered : — 



Complete fertilizers .... 

 Ammoniated superphosphates 

 Superphosphate and potash 

 Pulverized manures .... 

 Ground bone, tankage and dry ground fish 

 Chemicals and organic nitrogen compounds 

 Wood ashes ..... 



313 

 9 



2 



11 



65 



108 



2 



510 



Although an earnest effort was made to secure representative samples of all brands 

 registered, the sampling agents were unsuccessful in securing the following brands. 

 Many of these were not sold in Massachusetts, although registered earlier in the season 

 in anticipation of a normal demand for them. 



Manufactubeb and Brand. 



Grade. 



The American Agricultural Chem- 

 ical Co. 



High Grade Dried Blood 



Apothecaries Hall Co. 



Liberty Fish Bone & Potash . 



Armour Fertilizer Works. 



Armours Big Crop Fertilizer 3-8-3 . 

 Armours Big Crop Fertilizer 5-8-5 . 

 Bone Meal 3-48 . . . . 



The Baker Castor Oil Co. 



Castor Pomace . . . . 



The Coe-Mortimer Co., Inc. 



Chesapeake Four Eight Four . 



Consolidated Rendering Co. 



Tankage 7-15 .... 

 Tankage 9-20 .... 



The Consumers Chemical Corp. 



Bone Meal .... 



Sheep Manure .... 



Dextrogerm Co. 



Radio-active Inoculated Peat 



16-0-0 



3-8-3 



3-8-3 

 5-8-5 

 3-22-0 



5.47-0-0 



4-8-4 



7-0.87-0 

 9-9-0 



3-22-0 

 2.09-1.5-1.5 



1.22-2-1 



Manufacturer and Brand. 



Eastern States Farmers' Exchange. 



Eastern States Formula "B" . 

 Eastern States Formula "C" . _ . 

 Eastern States Ground Tankage' . 



Essex Fertilizer Co. 



Essex Tobacco 5-4-5 for Tobacco, 

 Fruits and Vines . 



The L. T. Frisbie Co. 



Cottonseed Meal 



International Agricultural Corp. 

 I. A. C. Special 



The National Fertilizer Co. 



National Potato Phosphate 



New England Fertilizer Co. 



New England Top Dressing 7-5-2 



Nitrate Agencies Co. 



NACO Brand Number 7 



NACO Brand Number 12 Peruvian 



Guano Mixture 

 NACO Brand Number 14 Peruvian 



Guano Mixture 



Grade. 



6.6-3.5-5 

 6.5-3-5.5 

 7-6.85-0 



5-4-5 



7.98-0-0 



3-10-4 



2-8-3 



7-5-2 



2.93-11.68-2.92 



5.25-10.5-5.25 



4.96-9.9-8.65 



1 E. W. Martin assisted in the phosphoric acid laboratory two months, and F. J. Kokoski in the nitrogen 

 laboratory two months. 



