JANUARY 13, 1923 
No. 2 
Vol. XXIII 
JOURNAL OP 
AGRICULTURAL 
RESEARCH 
CONTENTS 
' -c ' ' * .Page 
Effect of Various Inorganic Nitrogen Compounds, Applied 
at Different Stages of Growth, on the Yield, Composition 
and Quality of Wheat - - - - - - 55 
JEHJEL DAVIDSON and J. A. LeCLERC 
(Contribution Ixom Bureau o! Chemistry) 
Poisonous Properties of Bikukulla cucullaria (Dutchman’s 
Breeches) and B. canadensis (Squirrel Corn) - - <59 
O. F. BLACK, W. W. EGGLESTON, J. W. KELLY, and 
H. C. TURNER 
(Contribution irom Bureau ol Plant industry and Virginia Agricultural ^ 
Experiment Station) 
Forcing the Germination of Freshly Harvested Wheat 
and Other Cereals - _ _ _ _ _ * 79 
GEORGE T. HARRINGTON 
(Contribution Irom Bureau o! Plant Industry) 
A New and Efficient Respirometer far Seeds and Other 
Small Objects: Directions for Its Use - - - 101 
GEORGE T. HARRINGTON and WILLIAM CROCKER 
(Contribution trom Bureau 0! Plant Industry) 
Respiration of Apple Seeds - - - - ■ 117 
GEORGE T. HARRINGTON 
(Contributicm tfom Bureau ol Plant Industry) 
PUBLISHED BY AUTHORITY OF TOE SECRETARY OF AGRICULTURE 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES 
WASHINGTON, D. C. 
GOVERNMENT PRINTING OFFICE 
