162 



FORAGE CROPS 



larger quantity of silage to be put iu, hut it expels 

 at once a very large volume of air, which, if 

 allowed to remain, prolongs the changes. It should 

 be tramped well around the sides because the 

 lateral pressure of the silage tends to develop fric- 

 tion against the walls, which prevents its settling. 

 In building a silo, it should be as deep as it is 

 practicable to make it. The advantages of a deep 

 silo are that the largest quantity of feed j^er cubic 



*Table Giving the Approximate Capacity of CYLiNbRiCAi. 

 Silos for Well-Matqred Corn Silage, in Tons 



In tliis talilc tlie horizontal lines give tlie number of tons of silage hel( 

 silo having the depth eivni at the head of the eohinm. 



♦Bulletin No. 83, of the Wisconsin Agricultural Experiment Station. 



