Study on Cold Resistance of Three Alfalfas Successfully Overwintered in Menyuan County
LI Qian, LI Chang-hui, SUN Qi-zhong, WANG You-liang
Acta Agrestia Sinica . 2021, (3): 631 -634 .  DOI: 10.11733/j.issn.1007-0435.2021.03.026