Issued April 16, 1913. 



U. S. DEPARTMENT OF AGRICULTURE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 279. 



B. T. GALLOWAY. Chief of Bureau. 



THE EFFECTS OF ARTIFICIAL SHADING 



ON PLANT GROWTH IN 



LOUISIANA. 



H. L. SHAXTZ, 



Physiologist, Alkali and Drought Resistant 

 Plant Investigations. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1913, 



