SURFACE SILOING. 



171 



then used just as it is, after having been exposed to the air for 

 a period of months. 



Silos beneath the surface of the ground are very variable in 

 shape, size, etc. A very simple dug-out type that has met 



FIG. 15. 



Horizontal Section of Underground Silo for Beet Pulp. 



with considerable practical success is shown in Fig. 14. The 

 drainage consists simply of a few small stones. The water 



FIG. 16. 



Vertical Section of Underground Silo for Beet Pulp. 



from the portion above ground drips through the straw layers A 

 and B into the side ditches from which has been taken the 

 earth covering. 



