RESUMPTION OF PUBLICATION 
In accordance With the provisions of Section 3 of the Sundry Civil Appropriation 
Act for 1922, the Journal of Agricultural Research was discontinued December r, rpti, 
and no parts were issued for 1922. Under authority contained in the .provisions of 
Public Resolution No* $7, Sixty-seventh Congress* the publication of this Journal has 
been resumed, with the expectation that hereafter it will appear Weekly. As early 
as practicable Vol, XXII, 1921, Will be completed by the issue of an index number. 
EDITORIAL COMMITTEE OF THE 
UNITED STATES DEPARTMENT OF agriculture AND 
THE ASSOCIATION OF LAND-GRANT COLLEGES 
- FOR THE DEPARTMENT . 
K. F. KEEEERMAN, Chairman 
' Physiologist ceM Associate Chief, Bmea u 
of Plant Industry s ' 
E. W. AEEEN. 
Chief, Office ofExperintent Stations 
C* E. MAREATT J 
; Entomologist arid Assistant Chief, Bureau 
. of Entomology 
- . FOR THE ASSOCIATION ' • 
J. G* El PM AN 
Dean, State College of Agfteut&rei and 
Director, New Jersey Agricultural Experi¬ 
ment Station, Rutgers College 
We A. RIEEY 
Entomologist and Chief, Divisitm of Emto- 
■motogy and Economic Zoology, Agricul¬ 
tural Experiment Station of the Unteernty 
of Minnesota ~ _ 
R. E. WATTS ' 1 * 
> . - -■ './-v''. x-.. - r- 
Dean, School of Agriculture, and Director, 
Agricultural Experiment Station, The 
Pennsylvania State College 
All correspondence regarding articles from the Department of Agriculture should be , 
addressed to K. F. Kellerman, Journal of Agricultural Research; Washington, D. C. 
All correspondence regarding articles from State Experiment Stations Should be 
addressed to J. G. Lipman, New Jersey Agricultural Experiment Station, New 
Brunswick, N. J. 
