Unit gradient in internal drainage experiments for the determination of soil hydraulic conductivity . Scientia Agricola, [S. l.], v. 50, n. 1, p. 151–153, 1993. DOI: 10.1590/S0103-90161993000100020. Disponível em: https://revistas.usp.br/sa/article/view/20101.. Acesso em: 29 jun. 2024.