DU PREEZ, Chris; VAN HUYSSTEEN, Cornie; MNKENI, Pearson. Land use and soil organic matter in South Africa 2: A review on the influence of arable crop production. South African Journal of Science, [S. l.], v. 107, n. 5/6, p. 8 pages, 2011. Disponível em: https://sajs.co.za/article/view/10033. Acesso em: 2 may. 2024.