Culturable diazotrophic bacterial community associated with Agave sisalana P. plants from semi-arid regions in Brazil - Santos, Adailson Feitoza de Jesus; Moreira, Zayda Piedad Morales; Souza, Jorge Teodoro de; Oliveira, Lenaldo Muniz de; Barbosa, Heloiza Ramos; Silva, Eliane de Souza; Silva, Rafael Mota da; Soares, Ana Cristina Fermino (Revista de Ciências Agrárias, 2019)