Effect of different harvesting periods on grain yield and stalk silage quality of maize

• Hong Wang, 
• Hao Guan, 
• Ming Chen, 
• An-qi Peng, 
• Xiao-mei Li, 
• Chang-hua Li, 
• Xiao-ling Li, 
• Wei-guo Liu, 
• Ping Fang, 
• Yan-hong Yan