78 Colcord's System of 



time, as the action of the air gives it double 

 the acidity to be found in the forage 2 feet 

 below the top layer that has been forked over. 

 These facts I know from personal experience, 

 observation, and chemical tests. Whenever I 

 have complaints about silos in which the gov- 

 ernors are used, I try to ascertain the cause of 

 the trouble. I have never found it to be in the 

 governor, and have always been able to find the 

 cause. In one instance, I found a large ampunt 

 of liquid in the bottom ; also, that the water- 

 line in the earth all around the silo was pre- 

 cisely the same as inside. The silo had no 

 drains around or from it. In another instance, 

 I found the governor in a cheap wooden silo. 

 In the centre of the silo the forage was perfect, 

 but some quite large holes in the boards of 

 which the silo walls were made had given ac- 

 cess to air, which caused the forage to go to 

 black rot, and left large vacant places in the 

 forage, large enough for a man to lie down in. 

 It was not weighted heavily enough. Still, it 

 had no true fermentation in it. 



Most of the troubles, I find, and they are 

 quite common, are in light weighting, uneven 

 walls, and covers that would not go down inside 

 the walls, the planks being too long to pass the 

 numerous large bulges. To one man I sent 



