AULIADESTI, Vivin. Pengaruh Penambahan Biochar Kulit Kopi dan Abu Valkanis dalam Memperbaiki Sifat Kimia Ultisol. Journal Arunasita, [S. l.], v. 2, n. 1, p. 1–13, 2025. DOI: 10.5281/zenodo.15315325. Disponível em: https://ejournal.arunasita.com/jasita/article/view/7. Acesso em: 5 jul. 2025.