Identification of low-temperature-tolerant lactic acid bacteria in Helianthus tuberosus silage in alpine regions

• WEI Xiaoqiang, 
• SUN Xuemei, 
• ZHANG Haiwang, 
• WANG Lihui, 
• YANG Shipeng, 
• SI Cheng, 
• ZHONG Qiwen, 
• LU Guangxin