title: [Nature of the factors stimulating the assimilation of molecular and ammonium nitrogen by Azotobacter].
mesh_terms: D000596:Amino Acids / Q000494:pharmacology; D001395:Azotobacter / Q000378:metabolism*; D003470:Culture Media; D008967:Molecular Biology; D009586:Nitrogen Fixation / Q000187:drug effects*; D011548:Pseudomonadaceae / Q000187:drug effects / Q000378:metabolism; D000644:Quaternary Ammonium Compounds / Q000378:metabolism*; D014803:Vitamin B Complex / Q000494:pharmacology; D014815:Vitamins / Q000494:pharmacology
chemical_list: D000596:Amino Acids; D003470:Culture Media; D000644:Quaternary Ammonium Compounds; D014815:Vitamins; D014803:Vitamin B Complex
vernacular_title: O prirode faktorov, stimuliruiushchikh assimiliatsiiu molekuliarnogo i ammoniĭnogo azota azotobakterom.