Leaf anatomical structures and ecological adaptabilities to light of three alfalfa cultivars with different fall dormancies under shading during overwintering
QIN Feng-Fei,LI Qiang,CUI Zhao-Ming,LI Hong-Ping,YANG Zhi-Ran
Chin J Plant Ecol . 2012, (4): 333 -345 .  DOI: 10.3724/SP.J.1258.2012.00333