Long-term effects of cover crops and nitrogen on soil and grain yield in an Oxisol from southern Brazil. Acta Scientiarum. Agronomy, [S. l.], v. 48, n. 1, p. e77358, 2026. DOI: 10.4025/actasciagron.v48.i1.77358. Disponível em: https://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/77358. Acesso em: 1 jun. 2026.