Acta Agrestia Sinica
Effect of Root Nodules on Cold Resistance of Alfalfa ( Medicago sativa)
LIU Yu-shi, GENG Jin-cai, SONG Jiang-hu, SHA Xu-yang, HU Tian-ming, YANG Pei-zhi
Acta Agrestia Sinica . 2018, (3): 631 -638 .  DOI: 10.11733/j.issn.1007-0435.2018.03.015