Functional characteristics and culture conditions of five plant growth-promoting rhizobacteria strains

• YANG Xiaolei, 
• LI Jianhong, 
• YAO Tuo, 
• MEI Li’na, 
• LI Qi, 
• BAI Jie, 
• ZHU Qingqing, 
• ZHAO Xiaoqian, 
• ZHAO Shudong