Calzavara, A K Associative bacteria influence maize (Zea mays L.) growth, physiology and root anatomy under different nitrogen levels. [electronic resource] - Plant biology (Stuttgart, Germany) Sep 2018 - 870-878 p. digital Publication Type: Journal Article ISSN: 1438-8677 Standard No.: 10.1111/plb.12841 doi Subjects--Topical Terms: Azospirillum brasilense--metabolismBacillus--metabolismNitrogen--pharmacologyPlant Roots--anatomy & histologyZea mays--growth & development