Occurrence of arbuscular mycorrhizal fungi after organic fertilization in maize, cowpea and cotton intercropping systems - doi: 10.4025/actasciagron.v34i2.13143. Acta Scientiarum. Agronomy, [S. l.], v. 34, n. 2, p. 149–147, 2011. DOI: 10.4025/actasciagron.v34i2.13143. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/13143. Acesso em: 2 jun. 2026.