TY - Chinese Bulletin of Botany A1 - Hualing Xie, Yanping Yang, Yu Dong, Tai Wang T1 - Analysis on International Development Trends of Alfalfa Y1 - 2021-11-01 JF - Chinese Bulletin of Botany JO - Chinese Bulletin of Botany SP - 740 EP - 750 VL - 56 IS - 6 UR - https://www.chinbullbotany.com N1 - 10.11983/CBB21121 ER -