Vol. XV OCXOBKR 14. 1918 No. 2 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONXE^NTS 



Page 



Condition of Fertilizer Potash Residues in Hagerstown 



Silty Loam Soil - - - - - - -59 



WILLIAM FREAR and E. S. ERB 



(Contribution from Pennsylvania Asricaltural Experiment Station) 



Hardening Process in Plants and Developments from 



Frost Injury - - - - - - -- 83 



R. B. HARVEY 



( Contribution from Bureau of Plant Industry ) 



Chemistry of Sweet-Clover Silage in Comparison with 



Alfalfa Silage -----__. 113 



C. O. SWANSON and E. L. TAGUE 



(Contribution from Kansas Agricultural Experiment Station) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



WASHINQXON, D. C. 



WAtHINaTONlOOVrnHMKNT r«lim«« CTMC I 1*1* 



