BAUMANN, Jochen; KÖLLER, Karlheinz. Düngereinspeisung bei Direktsaat. agricultural-engineering.eu, [S. l.], v. 53, n. 4, p. 242–243, 1998. DOI: 10.15150/lt.1998.2396. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/1998-53-4-242-243. Acesso em: 16 apr. 2024.