Vol. XX OCTOBER 1, 1920 No. 1 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONTENTS 



Pago 



Fusarium-Blight (Scab) of Wheat and Other Cereals - 1 



DIMITR ATANASOFF 



( Contribution from Wisconsin Agricultural Experiment Station 

 and Bureau of Plant Industry) 



Cause of Lime-Induced Chlorosis and Availability of Iron 



in the Soil -------- 33 



P. L. GILE and J. O. CARRERO 



( Contribution from States Relations Service ) 



An Experimental Study of Echinacea Therapy 63 



JAMES F. COUCH and LEIGH T. GILTNER 



( Contribution from Bureau of Animal Industry ) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCIATION OF 



LAND-GRANT COLLEGES 



WASHINGTON, D. C. 



WASHINGTON I GOVERNMENT PRINTING OFFICE : 1920 



