The effect of crop species and N fertilization on soil organic matter. COLUMELLA – Journal of Agricultural and Environmental Sciences, [S. l.], v. 2, n. 2, p. 23–27, 2015. DOI: 10.18380/SZIE.COLUM.2015.2.2.23. Disponível em: https://journal.uni-mate.hu/index.php/columella/article/view/2704.. Acesso em: 23 apr. 2024.