GREZ, R.; GERDING, V.; UNION, F. Ashes of wood-burning ovens. II Industrial residue useful as an amendmer for improving soil fertility. Revista Bosque, [S. l.], v. 13, n. 2, p. 39–44, 1992. Disponível em: https://revistabosque.org/index.php/bosque/article/view/1403. Acesso em: 23 oct. 2024.