WIDIYANTI, R. Effect of Adding Various Qualities of Litter and Urea on the Growth of Earthworms (Pontoscolex corethrurus) and Soil Microorganism Populations. Contributions of Central Research Institute for Agriculture, [S. l.], v. 15, n. 3, p. 62–66, 2021. DOI: 10.59651/cceria.v15i3.44. Disponível em: https://ejournal.cria.or.id/index.php/ccria/article/view/44. Acesso em: 22 apr. 2026.