Acta Agrestia Sinica
Distribution and Dynamics of Non-symbiotic Nitrogen Fixing Bacteria in Xilingol Grassland Soil
ZHENG Hong-li, WULAN Bater, ZHANG Qiao-lian, PANG Bao-ping, FENG Yong-qing, FAN Ming-shou
. 2009, (4): 540 -542 .  DOI: 10.11733/j.issn.1007-0435.2009.04.025