12 



CONTROL SERIES No. 51 



MIXED FERTILIZERS 

 Deficiency Statistics for Mixed Fertilizers. 



Manufacturer. 



Number of 

 Brands. 



\moncaii Agricultural Chemical 

 Co 



American Chemical Specialties Co 

 Inc. .... 



American Cyanamid Co. 



American Soda Products Co. 



Apothecaries Hall Co. 



Armour Fertilizer Works 



Barrie Laboratories, Inc. 



Beach Soap Co. 



Berkshire Chemical Co. 



Bon Arbor Chemical Co., Inc. 



.Joseph Breck & Sons Corp. . 



C. & R. Sales Co. 



Lyman Carrier 



E. D. Chittenden Co.. 

 Clay & Son 



Collins Seed Service Co. 



Consohdated Rendering Co. 



Davey Tree Expert Co. 



.John C. Dow Co. 



Eastern States Farmers' Exchangi 



Essex Fertilizer Co. . 



Excell Laboratories . 



H. L. Frost & Co. . 



Grasselli Chemical Co. 



James J. H. Gregory & Son, Inc. 



Thomas Hersom & Co. 



International Agricultural Corp. 



Henry James & Son, Inc. 



Little Tree Farms 



Lowell Fertilizer Co. . 



Maine Farmers Exchange . 



Leon C. Mansfield 



Mapes Formula & Peruvian Guano 



Co 



A. G. Markham & Co. 

 McCallum Co., Inc. . 

 Meyer & Mendelsohn, Inc. 

 Miller Fertilizer Co. . 

 Mitchell Fertilizer Co. 

 New England Fertilizer Co. 

 Old Deerfield Fertilizer Co., Inc. 

 Olds & Whipple, Inc. 

 Parmenter & Polsey Fertilizer Co 

 Pawtucket Rendering Co. . 

 Piedmont-Mt. Airy Guano Co., Ine 

 Plant Products Co. 

 Rogers & Hubbard Co. 

 Rose Manufacturing Co. 

 Ross Brothers Co. 



F. S. Royster Guano Co. 



M. L. Shoemaker & Co., Inc. 

 Smith Agricultur.al Chemical Co. 

 Springfield Rendering Co. . 

 Standard Wholesale Pho.sphate & 



Acid Works, Inc. . 

 Stimuplant Laboratories, Inc. 

 Swift & Co. Fertilizer Works 

 Synthetic Nitrogen Products Corp 

 Henry J. Taubert Co. 



68 



1 

 2 

 6 



13 

 S 

 7 

 2 

 2 

 1 



20 

 1 

 3 

 5 

 3 

 1 

 7 



n 

 1 

 1 



2 



1 



c2 a)>. 



5t% 



ftoa 



68 



14 



1 

 1 



6 

 13 

 8 

 7 

 2 

 2 

 1 

 20 

 1 

 3 

 5 

 3 

 1 

 7 



9 

 1 

 1 

 2 

 1 



Number of Tests or Determinations. 



204 



6 

 6 

 3 



30 



48 

 3 

 9 



27 

 3 

 6 

 3 

 3 



21 

 3 

 3 



35 



18 

 3 

 3 

 3 

 3 

 9 



56 

 6 

 6 



21 

 9 

 3 



42 



15 



3 



6 



3 



6 



18 



39 



24 



21 



6 



6 



3 



59 



3 



9 



15 



8 



3 



21 



33 

 3 

 3 

 6 

 3 



^6- 



^.2 



:^'? 



(a) Averages have been recorded for total number of tests or determinations as well as for de- 

 ficiencies wherever several analyses have been made of the same brand. 



