Vol. IV MAY, 1Q15 No. 2 



JOURNAL OP 



AGRICULTURAL 

 RESEARCH 



CONTENTS 



Pace 



Wat of Gipsy-Moth Caterpillars - - - ~ - - 101 



R. W. GLASER 



Effect of Temperature on Germination and Growth of the 

 Common Potato-Scab Organism ~ - - - - 129 



MICHAEL SHAPOVALOV 



Seedling Diseases of Sugar Beets and Their Relation to 

 Root-Rot and Crown-Rot - - - - - - -135 



H. A. EDSON 



Phoma Betae on the Leaves of the Sugar Beet - - - 169 

 VENUS W. POOL and M. B. McKAY 



Notes on the Hydrocyanic- Acid Content of Sorghum - - 179 

 J. J. WILLAMAN and R. M. WEST 



Effect on Soil Moisture of Changes in the Surface Tension of 

 the Soil Solution Brought About by the Addition of Soluble 

 Salts - - -------- 187 



P. E. KARRAKER 



DEPARTMENT OF AGRICULTURE 



"WA.SHINGTON,D.C. 



WAtHINCTON ! GOVERNMCNT PfilNTINS OFFTCt : 1»1» 



