Harrow-hoe BMSh-9ID from Russia

Designed for pre-sowing and fallow cultivation of heavy soils by mechanical composition, stubble husking, loosening the surface of fields covered with stubble and other stubble residues in order to preserve moisture in the soil, spring harrowing of winter and row crops and care for perennial grasses. As the implement moves across the field covered with stubble, the needle discs roll over and deepen into the soil under the action of their own weight. The needles loosen the top layer of soil and the soil crust is destroyed.