Organic carbon determination in histosols and soil horizons with high organic matter content from Brazil . Scientia Agricola, [S. l.], v. 63, n. 2, p. 187–193, 2006. DOI: 10.1590/S0103-90162006000200012. Disponível em: https://www.revistas.usp.br/sa/article/view/22153.. Acesso em: 16 feb. 2025.