AURA, E. Soil compaction by the tractor in spring and its effect on soil porosity . Agricultural and Food Science, [S. l.], v. 55, n. 2, p. 91–107, 1983. DOI: 10.23986/afsci.72122. Disponível em: https://journal.fi/afs/article/view/72122. Acesso em: 20 may. 2024.