433 



sufficient gas hat been admitted the tube should be withdrawn, and the tank 

 lid put in place, with a rubber ring or a sack under it to prevenl the gas from 

 escaping. Any weevils or grubs presenl will die within about seven days. 



The maize may be kept in these fumes for over a year without being 

 affected for either seed or food and withoul developing weevils. Ai Grafton 

 Experiment Farm maize lias been so stored and kept sound for two years 

 at a cost of only Id. per bushel for gas. The gas is quite harmless and 

 non-explosive, ami costs (Id. per 11). 



Naphthaline for Seed .]/<'<:■'. of the substances which have been tried for 

 the treatment of maize to he stored, there may be m< ntioned lime, kerosene ; 

 sulphur, naphthaline, and the weed known as "Stinking Eloper." Depart 



mental tests have found "Stinking Roger " and sulphur of no value. Lime, 



Drying Kiln at Mt, George, on the Manning River. 



The platform on which the maize is placed is just above the heads of the 

 figures, ami the log fire is lit in the middle of the earthen floor below. 



if used at the rate of weight for weight certainly protects the maize, but the 

 process is expensive and (necessitating as it does the subsequent cleaning of 

 the maize) laborious. Kerosene, used at the rate of 1 pint per 3 hu hels, 

 affords protection, but only for two or three months. Incomplete tests 

 indicate that treatment with kerosene affects the germinating power in only 

 a slight degree. Of the deterrents tested, naphthaline has proved the most 



