VITALITY OF SEEDS. 
By Arr. G. Enqvisr. 
[Read November 21, 1918.] 
In March, 1918, were commenced a number of experi- 
ments for the purpose of finding a practicable way of guia 
vil, and rain. object in our investigation was 
to E ren. if possible, that dry grain —— could be 
Stored safely in an atmosphere rich in z ot nitrogen, 
vals without impairing its vitality or germinating 
les. 
report recently issued by Dr. Hargreaves, of t the 
try Department, has necessitated the publishing of 
further evidence of tiss value of the work done by the 
Way CO, AND NITROGEN WERE CHOSEN 
It wa aa that co, gas eld quickly 
asphyxiate any animal life existing in the wheat, and prevent 
eggs of weevil and other beetles from hatching. 
2. Carbonic acid gas is easily and cheaply gen 
t 3. It can be ag nn E pressure and safely peabar 
2 F cu of the Sta 
intelligent pe is tela d pi and easily manipulated by any 
Ein n quickly destroy the Miror of dry wheat, 
and therefor might prove a safe mediu Piin to store 
dn t from harvest time to the time pd: seodin 
dis = Pe hehia acid gas is heavier than air, d readily 
place 
itr cm was chosen because it fails to support life, is 
daa and readily available without the use of gas-generating 
po 1l.— To prove whether or not dry grain 
: at ethod. — A class tube closed at one end was partly filled 
with ad wheat A penne oft = 917. In the open end of this 
tube yw as sealed a straight piece of narrow glass tu bing. A 
retort s Stand supported the gear with the open end of the 
