The Effectiveness of Cow Manure for Sustainable Agriculture on Purple Eggplant Plants. Indonesian Journal of Sustainable Agriculture and Environmental Sciences (IJSAES), [S. l.], v. 2, n. 1, p. 20–29, 2026. DOI: 10.65896/ijsaes.v2i1.22. Disponível em: https://truly-science.com/journals/index.php/ijsaes/article/view/22. Acesso em: 5 may. 2026.