Effects of planting density and variety on biomass and nutrient quality of green maize

• SU Yajun, 
• JIAO Ting, 
• WU Jianping, 
• LI Yu, 
• DOU Siyuan, 
• LIU Ting, 
• GONG Xuyin, 
• WANG Jianfu, 
• LEI Zhaomin