1. Corn silage;Allen,2003
2. Official Methods of Analysis;AOAC,1990
3. In silo losses from wheat ensiling in bunker silos in subtropical climate;Ashbell;J. Sci. Food Agric.,1987
4. ASTM Standard method ASTM D2103–10. Standard specification for polyethylene film and sheeting;ASTM,2010
5. ASTM Standard method ASTM D3985–05. Standard test method for oxygen gas transmission rate through plastic film and sheeting using a colometric sensor;ASTM,2010