[Objective] To Explore effects of different additives on the fermentation quality and chemical composition of corn stalk silage.[Method] The experimental samples were divided into five groups,control group,formic acid added group,formaldehyde added group,formic acid and formaldehyde(3∶1,V/V) added group,and formic acid and formaldehyde(1∶1,V/V) added group.After fermentation for 50 d,the fermentation quality and chemical composition of samples were examined.[Results] The content of crude protein in control ...