.^iijBjjiMH H miMK B Maeiiwvu t M^ffniii i ia i aim . II I I I— 1 11 1 11 1 1 



Vol. XVI JAMUARY 6. 1919 No. 1 



JOURNAL OF 



AGRICULTURAL 



RESEARCH 



CONXE^NXS 



Paga 

 Determination of Acidity and Titrable Nitrogen in Wheat 



with the Hydrogen Electrode - - - - - 1 



C. O. SWANSON and E. L, TAGOE 



(Contilbution from Kansas Acricultaral Experiment Station) 



Ash Absorption by Spinach from Concentrated Soil Solu- 

 tions -- - - - -- - ~ "* 15 



RODNEY H. TRUE, OTIS F. BLACK, AND JAMES W. KELLY 



( ContributJon from Bureau oft»lant Industry ) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 



WITH THE COOPERATION or THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



WT^SHIKGTON, D. C. 



wkKuutmrnmimmii 



WASHiNQTON ! QOVERNMEWr.PmNTtNa OFFICE : 1810 



