Cere ah 



273 



is necessary, since the use of an inaccurate instrument may 

 result in injury to the germinating power of the grain or in 

 failure to prevent the smut. At the end of the period of 

 treatment, the grain should be transferred to a cold bath to 

 terminate the action of the heat. 



Two men working together can easily treat one bushel 

 of grain an hour, or enough seed in one day to sow a seed 



( JBoiling water. 



Post. 



Fig. 146. — Diagram showing a convenient arrangement of utensils for 

 the Jensen hot-water treatment. After Swingle. 



plat of from 6 to 10 acres. The seed may be dried by spread- 

 ing it out in thin layers, not over 5 cm. in depth, on a clean 

 granary floor or on canvas, and shoveling or raking it from 

 time to time. It should not be allowed to sprout. Care must 

 be taken to prevent freezing of the grain when it is moist, 

 as this will impair germination. 



