EN中文
The characteristics related to symbiotic nitrogen fixation and rhi zobium resources in some areas of Gansu and Ningxia
WANG Wei-wei, HU Zheng-hai, GUAN Gui-lan, KONG Ai-qin
JOURNAL OF NATURAL RESOURCES . 2002, (1): 48 -54 .  DOI: 10.11849/zrzyxb.2002.01.008