Effect of Freeze-drying Environment on Freezing Tolerance of Alfalfa Crowns
XU Hong-yu, ZHEN Li-li, LI Yu-ying, DONG Kuan-hu, LI Xiang-lin
Acta Agrestia Sinica . 2021, (4): 724 -733 .  DOI: 10.11733/j.issn.1007-0435.2021.04.012