英文篇名Research on the introduction of alfalfa into China during the Han Dynasty
英文作者SUN Qi-Zhong;LIU Qian;TAO Ya;XU Li-Jun;Grassland Research Institute of Chinese Academy of Agricultural Sciences;Animal Husbandry Institute of Liangshan Prefecture;Hulunber Grassland Ecosystem Observation and Research Station/Institute of Agricultural Resources and Regional Planning of Chinese Academy of Agricultural Sciences;