Vol. XXII DECEMBER 3, 1921 No. 10 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONTENTS AND INDEX 

 OF VOLUME XXII 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 



WITH THE COOPERATION OF THE ASSOCIATION OF 



LAND-GRANT COLLEGES 



WASHINGTON, D. C. 



GOVERNMENT PRINTING OFFICE 



1923 



