Vol. XV NOVKIvIBEDR 11, 1918 No, 6 



JOURNAL OF 



CONTE^NXS 



Page 



SoU Acidity as Affected by Moisture Conditions of the Soil 321 



S. D. CONNER 



(Contribution from Indiana Agricultural Experiment Station) 



Determining the Absolute Salt Content of Soils by Means 



of the Freezing-Point Method - - - - - 331 



GEORGE J. BOUYOUCOS and M. M. McCOOL 



(Contribution from Michigan Agricultural Experiment Station) 



Sweet-Potato Storage-Rots - - - - - « 337 

 L. L. HARTER, J. L, WEIMER, and J. M. R. ADAMS 



( Contribution from Bureau of Plant Industry ) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURB, 



WITH THE COOPERATION OF THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



WASHINGTON, D. C. 



WAWINarON (OOVUNMENT PIIINTWa omcB I l«ia 



