Acta Agrestia Sinica
Relationship between Diurnal Changes of Alfalfa Net Photosynthetic Rate and Environmental Factors
WAN Su-mei, JIA Zhi-kuan, YANG Bao-ping
. 2009, (1): 27 -31 .  DOI: 10.11733/j.issn.1007-0435.2009.01.006