3Z series intertillage machine is in original intertillage machine based on r&d improvement, this series intertillage machine fertilizsr effect is better, fertilizsr depth is adjustable, and in both increased adjustable fertilizsr shovel, fertilizsr amplitude size also is adjustable, can according to arable land needed by 9 shovel into 11 shovel, did use flexible, simple operation, also facilitate the paddock steering and walk.