. Cyclopedia of farm crops : a popular survey of crops and crop-making methods in the United States and Canada. Agriculture -- Canada; Agriculture -- United States; Farm produce -- Canada; Farm produce -- United States. Fig. 804. Small model silo of the oc- tagonal form of silo, showing method of Fig. 805. Round silo attached to dairy barn, as commonly seen in dairying sections. has occurred that silage has been made after the stack fashion. It is now understood by all that the supreme end to be secured in ensiling is the exclusion of air. The more complete this exclusion, the m
. Cyclopedia of farm crops : a popular survey of crops and crop-making methods in the United States and Canada. Agriculture -- Canada; Agriculture -- United States; Farm produce -- Canada; Farm produce -- United States. Fig. 804. Small model silo of the oc- tagonal form of silo, showing method of Fig. 805. Round silo attached to dairy barn, as commonly seen in dairying sections. has occurred that silage has been made after the stack fashion. It is now understood by all that the supreme end to be secured in ensiling is the exclusion of air. The more complete this exclusion, the more perfectly is the material kept. For this reason there has been a constant tendency to increase the height of silos to secure pressure that not only should expel air, but exclude it from entrance. The more recent critical research has shown that the more perfect the silo or the more perfect the exclusion of the air, the less the loss of the organic material of the fodder ensiled. The demonstrated economy of material in the better class of silos is now producing a counter current in silo construction, moving toward a class of silos that conserve best the material committed to them. The round silo, presenting the least sur- face per ton capacity, and therefore also requiring the least material for construction, is at present the popular form of structure. (Fig. 805.) It is made of many forms and is covered in many fashions. The stave silos made of 2x4 and held by iron hoops was the parent form. It was made of matched two- inch pine, of stuff merely beveled, and again of unbeveled material. This form has the demerit of shrinking when dry, and of occasionally collapsing or blowing over. It requires biennial screwing up of nuts and unscrewing when empty and when being filled. This has turned many to the round silo made by bending half-inch stuflf to studding set on a cir- cular foundation. These are single-lined of matched stuff, or double-lined with paper between. A very popular
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