Vol. XIII AFTilL 8, 1918 No. 2 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONTENTS 



8on Fungi in Relation to Diseases of the Irish Potato in 



Southern Idaho .......73 



O. A. PRATT 



(Contrlbation bom Barua of Plant ladtutiy) 



Investigations Concerning the Sources and Channels of 



Infection in Hog Cholera ------ 101 



M. DORSET, C. N. McBRYDE, W. B. NOES, and J. H. RBETZ 



(Contribution trom Bureau of Animal Indoatry) 



Effect of Temperature and Other Meteorological Factors 



on the Growth of Sorghums - - « • - 133 



H. N. VINALL and H. R. aj£EO 



< Contrll>utIen trom Bnrteu ot Pian: tadaattfi 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



WA^SHINOTON, D. C. 



WAtHiaoTON : aovBiiHMBMT raiHTiiia omot :1(1C 



