Acta Agrestia Sinica
Relation Grade Analysis of Grey Theory and Comprehensive Evaluation of Introduced Alfalfa in the North of Shanxi Province
ZHENG Min-na, LI Yin-fan, LIANG Xiu-zhi, XUE Long-fei
Acta Agrestia Sinica . 2014, (3): 631 -637 .  DOI: 10.11733/j.issn.1007-0435.2014.03.029