Grade 



Date. . 



EXERCISE 13 



OAT SMUT 



Object. To learn to control oat smut. 



Material. Grain scoops, sprinkling cans, 50 gallon barrel, grain bags 

 and one pint of 40 per cent formaldehyde solution (formalin) for every 40 



TREATING OATS FOR SMUT 



ts to be treated on the barn floor. 

 can and bottle of formalin ready. One pint of formalin will treat forty or fifty bushels of oats. 



FIG. 23. First Step Spread the oats to be treated on the barn floor. Have barrel, scoop shovel, sprinkling 



ushel 



bushels of oats to be treated. The exercise may best be conducted in the 

 barn of a neighboring farmer who wishes to have his oats treated. 



Directions. The students should work in pairs, each student to alternate 

 sprinkling and shoveling (Figs. 23 to 28). 



1. Dump the oats after cleaning with a fanning mill on a clean floor 

 or canvas. 



2. Pour forty gallons of water and one pint of formalin in the barrel. 

 This amount will treat 50 to 60 bushels. Fill the sprinklers from this barrel. 



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