Acta Agrestia Sinica
Alfalfa Climatic Subdivisions in China
XU Bin, YANG Xiu-chun, BAI Ke-yu, CHEN Zhong-xin, QIN Zhi-hao, QIU Jian-jun
Acta Agrestia Sinica . 2007, (4): 316 -321 .  DOI: 10.11733/j.issn.1007-0435.2007.04.004