Vol. XVI TvIARCKT IQi 1919 No. lO 



JOURNAL OP 



AGRICULTURAL 

 RESEARCH 



CONTENTS 



Solubility of the Lime^ Magnesia, and Potash in Such 

 Minerals as Epidote, Chrysolite, and Muscovite, Espe- 

 cially in Regard to Soil Relationships - . - 259 



R. F. GARDINER ^ 



( Contributioa from Bureau of Soils ) 



A Field Study of the Influence of Organic Matter upon 



the Water-Holding Capacity of a Silt-Loam Soil - 263 



FREDERICK J. ALWAY and JOSEPH R. NELLER 

 ( CoBtribtttion txvm MiaaMOta AgTlcuttuiai Expedxnent Station ) 



FUBUSHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 



WITH THE COOPERATION OF THE ASSOCIATION OF AMERICAN 



AGRICULTURAL COLLEGES AND EXPERIMENT STATIONS 



^VAsSHINGXON, D. C. 



WASHINQTON : OOVERNMENT PKINTINa OPFICE ; Itl9 



