The Promotion of Proper Carbon Nitrogen Ratio in the Synthesis of Extracellular Polysaccharide by Nitrogen-fixing Strains WN-F
DENG Chao, DU Xiu-juan, HUANG Tao, GUO Ying, LI Bing-xue, BU Ning
Biotechnology Bulletin . 2018, (3): 194 -199 .  DOI: 10.13560/j.cnki.biotech.bull.1985.2017-0583