THE EFFECT OF U V MUTAGEN ON PHYSIOLOGICAL PROPERTIES OF ASSOCIATIVE N2-FIXING BACTERIA
Zhou Feng, Zhang Qihang, Jiang Youyi, Zhang Maiqing, Liu Jianling
ACTA AGRICULTURAE BOREALI-SINICA . 1986, (2): 64 -69 .  DOI: 10.3321/j.issn:1000-7091.1986.02.010