test (2) stress (2) eau du sol (2) compactage du sol (2) sol (2) racine (2) plastique (2) irrigation (2) effet (2) air (2) compactage (2) Characters (2) Area (2) Air content (2) Methods (2) Soil compaction (2) Roots (Botany)--Development (2) Roots (Botany)--Growth (2) Area (2) Water (2) Values (2) Soybean (2) Soils (2) Soil moisture (2) Porosity (2) Plants (2) Mass (2) Irrigation (2) Days (2) Day (2)