Galindo, F.S. et al. 2017. Chemical soil attributes after wheat cropping under nitrogen fertilization and inoculation with Azospirillum brasilense. Semina: Ciências Agrárias. 38, 2 (May 2017), 659–670. DOI:https://doi.org/10.5433/1679-0359.2017v38n2p659.