Intelligent instrument to facilitate decision making in the evaluation of soil resistance to root penetration . Scientia Agricola, [S. l.], v. 66, n. 5, p. 573–582, 2009. DOI: 10.1590/S0103-90162009000500001. Disponível em: https://revistas.usp.br/sa/article/view/22494.. Acesso em: 4 may. 2024.