Comprehensive benefit evaluation of monocropping and mixed cropping of different forages in the alpine region

• LI Caidi, 
• ZHANG Chunping, 
• YU Yang, 
• LIU Yuzhen, 
• YANG Zengzeng, 
• FENG Bin, 
• ZHANG Xiaofang, 
• ZHANG Xue, 
• YANG Xiaoxia, 
• DONG Quanmin