Soil organic carbon in a toposequence in the semiarid of Paraíba, Brazil. Research, Society and Development, [S. l.], v. 9, n. 5, p. e164953365, 2020. DOI: 10.33448/rsd-v9i5.3365. Disponível em: https://rsdjournal.org/rsd/article/view/3365. Acesso em: 5 dec. 2025.