3 
The practical ee of radium that is best known to 
the public is for the alleviation, and in a great number of cases, 
the complete cure of cancerous affections. They will later 
a strong, concentrated application of radium could kill the 
cancerous disease, a much milder application might greatly 
stimulate its growth, so that the cancer would quickly destroy 
ild a: can 
in the case of healthy vital functions, ne) former being healthful 
stimulating while the latter the care- 
less handling of concentrated radium preparations extremely 
dangerous. 
ince the general nature of living animal and vegetable proto- 
plasm is identical, the ues of ailuencinie ane growth by 
the action of radium was at it be applied 
to field crops so as to produce an mo interedeed Be Could it 
be applied to crops suffering from animal or vegetable aes 
so as to kill the latter, as it cis cancer in man? Or, wo 
more from such an application than sould their 
amou i 
unprofitable? Or, seeing that the ae ofa apa. of radium 
goes on for centuries wit! , would a single 
application “a the soil setmarenaly increase its agricultural 
productivity 
Pi; ae en all over the world, took up investigations 
exp 
n 
has been done in experiments a ald crops a foctads bat 
