BERG, Werner. Emissionsminderung durch pH-Wert senkende Gülleabdeckungen. agricultural engineering.eu, [S. l.], v. 57, n. 5, p. 274–275, 2002. DOI: 10.15150/lt.2002.1659. Disponível em: http://195.37.233.21/landtechnik/article/view/2002-57-5-274-275. Acesso em: 16 nov. 2024.