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HOW TO BUILD A SILO. 



materials hemlock, white pine, and yellow pine, are usually the 

 most available. At the present time hemlock is one of the cheap- 

 est satisfactory materials which can be purchased, and it is 

 probably as good as any of the cheaper materials. It should be 

 sound and free from loose knots. 



If the silo is to have a diameter of 12 feet or less, the staves 

 should be made of either 2x4 material, unbeveled on the edges 

 and neither tongued nor grooved, or of 2x6 material beveled 

 slightly on the edges to make the staves conform to the circular 

 shape of the silo. If the silo is to have a diameter of more than 

 12 feet, the staves should be of 2x6 material, and neither beveled 

 nor tongued and grooved on the edges. The staves should be 

 surfaced on the inside so that a smooth face may be presented 

 which will facilitate the settling of the silage. The first stave set 

 up should be made plumb, and should be toe-nailed at the top 





Fig. 17. — Cross section of stave silo. 

 scafColding may be put up. 



The dotted lines show how 



