Effect of urea fertilizer on the vitality of the earthworm Octolasion cyanieum. NTU Journal of Pure Sciences, [S. l.], v. 3, n. 2, 2024. DOI: 10.56286/yhbkj416. Disponível em: https://journals.ntu.edu.iq/index.php/NTU-JPS/article/view/644.. Acesso em: 16 apr. 2025.