Carbon pool ratios as scientific support to field morphology in the differentiation of dark subsurface soil horizons . Scientia Agricola, [S. l.], v. 72, n. 4, p. 334–342, 2015. DOI: 10.1590/0103-9016-2014-0244. Disponível em: https://www.revistas.usp.br/sa/article/view/100207.. Acesso em: 2 may. 2024.