Its working parts are 1 to 3 chisel-shaped loose earth spades with rigid spade column. When the farmland is cultivating, it will loose soil without turning over the soil. After the cultivation, there will be debris covering on the surface, which can reduce water and soil loss. It is suitable for drought, rock and Basic soil cultivation in areas with severe soil erosion. The plough depth is generally 30 cm, and the maximum ploughing depth for soil improvement in arid lands can reach 45 cm.