Allelopathic effects of water extract from three species of annual forage on seed germination and seedling growth

• CHEN Guohao, 
• YANG Guang, 
• LIU Qiqi, 
• CHEN Zelin, 
• HOU Shuai, 
• SUN Xingrong, 
• ZHANG Zhixin, 
• FU Juanjuan