Vol. V 



DECENIBER 27, 1915 No. 13 



JOURNAL OF 



AGRICULTURAL 



RESEARCH 



CONTENTS 



Carbohydrate Transformations in Sweet Potatoes . 



HEINRICH HASSELBRING and LON A. HAWKINS 



Diuresis and Milk Flow 



H. STEENBOCK 



Pate 

 543 



561 



Petrography of Some North CaroUna Soils and Its Relation 



uirements 



J. K. PLUMMER 



to Their Fertilizer Requirements 569 



DEPARTMENT OF AGRICULTURE 



WASHINGTON, D.e 



WWHINOTON : OOVEBHMENT PRINTINO OFFICE : «1ft 



