Vol. VI AUGUST7, 1916 No. 19 



JOURNAL OP 



AGRICULTURAL 



RESEARCH 



CONTENTS 



Page 



Mottle-Leaf of Citrus Trees in Relation to Soil Conditions - 721 

 LYMAN J. BRIGGS, C. A. JENSEN, and J. W. McLANE 



Vegetative Succession Under Irrigation - - - 741 



J. FRANCIS MACBRJDE 



DEPARTMENT OF AGRICULTURE 



WASHINGTON,D.C 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1816 



