238 



STATE BOARD OF AGRICULTURE. 



sufficiently rigid to be entirely satisfactory. Built of stone, brick or 

 cement, the walls may be made sufficiently strong to produce a perfect 

 ensilage. On the farm of Mr. H. F. Probert, Jackson, Mich., there 

 are four splendid square silos, built of vitrified brick, which have been 

 in use for several years. 



Fig. 2. Silo locaird on the H P, Deering farm west of Jackson. Built of common 

 field stone, 1902. Height (,f wall 2G ft. Inside diameter 16 ft. Thickness of wall 18 

 inches. Floor 7 feet below ground. 



The round silo is the popular type. It is found built of wood, stone, 

 brick and cement and of various combinations of these materials. See 

 Figs. 1 and 2. 



Two general styles of wood construction are found: — The so-called 

 ''all wood" and the stave. A description of the "all wood" construction 

 will be found on page 03 of bulletin No. 2.50 of this station. Few 

 "all wood" silos are now built in this state, especially in the lower 

 peninsula. 



