中国十三省市土壤中非共生固氮微生物菌种资源研究
Collection and investigation on asymbiotic nitrogen-fixing microbial resources from 13 provinces over China
氟乐灵（Trifluralin）对大豆共生固氮及土壤微生物影响的研究
Effect of trifluralin on symbiotic nitrogen fixation of soybean and soil microorganisms
共生固氮微生物