Acta Agrestia Sinica
The Characters of Bionitrogen Fixation of Nostoc Commune and Its Function in Nitrogen Cycle in Inner Mongolia Grassland
Guan Xiuqing, Ruan Xuejun
. 2000, (1): 13 -17 .  DOI: 10.11733/j.issn.1007-0435.2000.01.003