Exploration and practices of bilingual teaching of soil and fertilizer science for agrassland science course under the new agricultural science policy: A case study of Qingdao Agricultural University

• GUO Yanjun, 
• XIONG Wangdan, 
• WANG Bo, 
• DING Lanlan, 
• LIU Hongqing, 
• SUN Juan, 
• WANG Zengyu