Na rizofera do milho por meio da análise metataxonômica do sequenciamento parcial do gene 16S rRNA foram encontrados 28 filos, 62 classes, 83 ordens, 183 famílias e 582 gêneros.
O filo com maior predominância foi Proteobacteria. A classe dominante foi
Alphaproteobacteria. A ordem dominante foi Myxococcales. A família dominante foi Planctomycetaceae. O gênero dominante foi Gp6.
As bibliotecas que apresentaram maior riqueza foram aplicadas doses de 30 kg/ha de N sem inoculação, 160 kg/ha de N sem inoculação e 30 kg de N + Azototal inoculado com A.
Brasilense AbV5 + AbV6. As que apresentaram a menor riqueza foram aplicadas doses de 30
kg/ha de N + 4331 inoculado com Enhydrobacter.
As que apresentaram maior diversidade receberam dose de 160 kg/ha de N sem inoculação e 30 kg/ha de N + HM053 inoculado com A. Brasilense. Menor diversidade foram as bibliotecas com dose de 0 kg/ha de N sem inoculação, 30 kg/ha de N + L27 inoculado com
Herbaspirillum e 30 kg/ha de N sem inoculação.
A maioria dos gêneros que contém bactérias promotoras do crescimento vegetal encontram-se nas bibliotecas que receberam dose de 0N kg/h e 30N kg/h sem inoculantes.
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