The 



Effects of Radio-active Ores and 

 Residues on Plant Life. 



BY 



MARTIN H. F. SUTTON, F.L.S. 



A Report of 



THE SECOND SERIES OF EXPERIMENTS, 

 carried out at Reading, 1915. 







A portion of the Trial Plots dressed with Radio-active Ores at 

 Button's Experimental Station, Reading. 



