UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 798 



Contribution from the Bureaa of Soils 

 MILTON WHITNEY, Chief 



Washington, D. C. 



October 20, 1919 



A SURVEY OF THE FERTILIZER 

 INDUSTRY 



PREPARED UNDER THE DIRECTION OF WM. WALLACE MEIN 



ASSISTANT TO THE SECRETARY IN CHARGE OF 



FERTILIZER CONTROL 



By 



E. A. GOLDENWEISER, Statistician 



CONTENTS 



Introduction 



Materials Used in Mixed Fertilizers 

 Sulphuric Acid and Acid Phosphate 

 Sources of Nitrogenous Materials . 

 Potash-Bearing Materials .... 



Production of Mised Fertilizers ... 13 



Stocks 16 



Imports and exports 18 



Reference List 26 



WASfflNGTON 



GOVERNMENT PRINTING OFFICE 



1919 



