NkM' YoitK At^KICULrUUAL KxriOUlMlONT Sl'ATlON. <>r)l 



with advantage run several feet below the surface of the ground. 

 This is especially desirable as increasing the depth of indoor silos 

 where the height of the walls above ground is restricted. 



The Round Silo. 



The round or cylindrical wooden silo is now in quite general 

 estimation. While about the least expensive in construction it is 

 not surpassed in efficiency. This form of silo is recommended in 

 preference to others by Prof. King, of Wisconsin, who has given 

 especial attention to the subject for several years and studied the 

 results obtained with many silos. Most of the following r»'com- 

 mendati'Ons in regard to the construction of round silos are taken 

 from the publications of the Wisconsin Experiment Station, and 

 the illustrations are reproduced from similar ones in reports of 

 that station. 



Foundation and Floor. 



The foundation wall should extend below the reach of frost and 

 be about 18 inches thick. The top of the wall should be beveled 

 on the inside. The wall should be thoroughly plastered with a 

 mixture of two parts of good cement and three of sand, plaster- 

 ing carefully about the sill and bottom of lining so as to exclude 

 all air. The bottom of the silo should be grouted and cemented 

 to exclude rats, which, by burrowing under, admit air and cause 

 considerable loss. Otherwise a good dry clay floor might suffice. 

 At the Kansas Experiment Station two silo floors consisted sim- 

 I)ly of tamped clay and a third had a cement floor. The clay 

 floors were thought to answer every purpose. 



FUAMEWOIIK AND WaLLS. 



The sill is made from pieces of 2 x 4-inch scantling. The pieces 

 are cut into about two feet length on the slant of two radii of 

 the circle of the silo, are toe-nailed together on the wall, bedded 

 in mortar and leveled. By some it is recommended to lay a dou- 

 ble course of 2 x 4 scantling for the sill, breaking joints with the 

 pieces. The pieces for the plate, also of 2 x 4, are spiked on the 

 tops of the studding. It is unnecessary to cut the pieces to a 



