WELSON LIMA SIMOES, CPATSA; ANDERSON RAMOS DE OLIVEIRA, CPATSA; Moises Alves de Souza, Universidade do Estado da Bahia - Departamento de Tecnologias e Ciência Sociais, Juazeiro BA; VERONICA MASSENA REIS, CNPAB; PAULO IVAN FERNANDES JUNIOR, CPATSA.2026-07-07http://hdl.handle.net/123456789/502543The objective of this work was to assess the efficiency of the inoculation of a diazotrophic bacterial consortium by the drip irrigation system into sugarcane (Saccharum spp.), in the Brazilian semiarid region. The evaluated treatments were: standard inoculation by submersion; one or two inoculations by drip irrigation; nitrogen (urea) applied by fertigation; and negative controls, without inoculation or nitrogen fertilization. Leaf gas exchanges and plant growth and yield were assessed. Inoculation by irrigation is efficient for all variables, and double inoculation by the drip irrigation system stands out, increasing stem yield in 16% when compared with the negative control, without differing from the treatment with nitrogen fertilizer.openAccessFixação biológica de nitrogênioSemiáridoBactérias promotoras do crescimento de plantasBactérias diazotróficasBactériaInoculanteCana de AçúcarIrrigaçãoSugarcaneSaccharumArtigo de periódico