) 
JUNE 15, 1925 
No. 12 
JOURNAL OF 
AGRICULTURAL 
22.,10 
CONTENTS 
Page 
Effects of Crops on the Yields of Succeeding Crops in the Rotation, with" Special 
Reference to Tobacco - -- -- -- -- -- - 1095 
W. W. GARNER, W. M. LUNN, and D. E. BROWN 
Some Effects of Seasonal Conditions upon the Chemical Composition of American 
Grape Juices - -- -- -- -- -- -- - x 133 
JOSEPH S. CALDWELL 
Natural Reproduction after Forest Fires in Northern Idaho - 
J. A. LARSEN 
1177 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
* OF LAND-GRANT COLLEGES 
WASHINGTON, D. C. 
GOVERNMENT PRINTING-OFFICE 
1925 
