26 



HOW TO BUILD A SILO. 



Table III. Showing Required Acreage and Stock Feeding Capacity 

 for Silos of Various Sizes. 



it requires a "good crop" to yield 15 tons per acre, and as a 

 "little too much is about right," be sure to plant enough to fill 

 the silo full, being guided by the condition of soil, etc., under 

 his control. 



On the Form of Silos. 



The first kind of silos built, in this country or abroad, were 

 simply holes or pits in the ground, into which the fodder was 

 dumped, and the pit was then covered with a layer of dirt and, 

 sometimes at least, weighted with planks and stones. Then, when 

 it was found that a large proportion of the feed would spoil by 

 this crude method, separate silo structures were built, first of 

 stone, and later on, of wood, brick or cement. As previously 



