Acta Agrestia Sinica
Alfalfa Leafcutter Bee for Pollination of Alfalfa Twice a Year in Different Areas
Chen Heming, Li Ruijun, Zhang Qingwen, Ma Futian, Li Yanfang, Yang Chengtai, Chen Jun
. 1995, (4): 289 -296 .  DOI: 10.11733/j.issn.1007-0435.1995.04.005