An agricultural soil cultivation machine, comprising at least: - a frame structure to carry a plurality of components, in particular for soil cultivation, - a cutting section to crush plant residues at the surface of soil to be tilled and/or to be traversed by the soil cultivation machine, which cutting section comprises at least two rotating knife rollers (46, 46') arranged one after the other in driving direction of the soil cultivation machine, wherein the knife rollers (46, 46') are mounted to a swing arm and together form a tandem arrangement, which tandem arrangement is swivelably mounted to a mounting bracket supported on the frame structure, wherein the swing arm is supported on the mounting bracket by elastically deformable bearing elements that generate a preload force, and wherein the at least two knife rollers (46, 46') of the cutting section arranged one after the other in driving direction are arranged offset to each other transverse to the driving direction, - a tine section arranged downstream from the cutting section in driving direction of the soil cultivation machine, the tine section being used for the distribution of the crushed plant residues and for the levelling of the soil surface, as well as - a compacting section arranged downstream in driving direction from the tine section, the compacting section being used for the compaction of the loosened and/or levelled soil, characterised in that the mounting bracket is supported on the frame structure so as to be height adjustable by means of a linear element (66, 66', 66" +n) in the form of a double acting cylinder (67, 67', 67" +n), with the linear element (66, 66', 66" +n) being connected to a control device via which the linear element (66, 66', 66" +n) can be controlled, wherein a preload force as well as a contact pressing force is generated on the knife rollers (46, 46') via a pressure level set in the cylinder (67, 67', 67" +n) and/or by the bearing elements provided in the mounting bracket. - a frame structure to carry a plurality of components, in particular for soil cultivation, - a cutting section to crush plant residues at the surface of soil to be tilled and/or to be traversed by the soil cultivation machine, which cutting section comprises at least two rotating knife rollers (46, 46') arranged one after the other in driving direction of the soil cultivation machine, wherein the knife rollers (46, 46') are mounted to a swing arm and together form a tandem arrangement, which tandem arrangement is swivelably mounted to a mounting bracket supported on the frame structure, wherein the swing arm is supported on the mounting bracket by elastically deformable bearing elements that generate a preload force, and wherein the at least two knife rollers (46, 46') of the cutting section arranged one after the other in driving direction are arranged offset to each other transverse to the driving direction, - a tine section arranged downstream from the cutting section in driving direction of the soil cultivation machine, the tine section being used for the distribution of the crushed plant residues and for the levelling of the soil surface, as well as - a compacting section arranged downstream in driving direction from the tine section, the compacting section being used for the compaction of the loosened and/or levelled soil,