1. Dynamique de la granulation du sol sous prairie;Bui;Ann. Agron.,1968
2. Bulk density;Campbell,1991
3. Root mass of grass swards in different grazing systems;Deinum;Neth. J. Agric. Sci.,1985
4. Wheel-induced soil compaction: crop yield, quality and nitrogen uptake in a reseeded ryegrass sward;Douglas,1988
5. Wheel-induced soil compaction effects on ryegrass production and nitrogen uptake;Douglas;Grass Forage Sci.,1991