The model 2CM cultivators of potatoes adapt to different areas, the natural environments, geographical features, the climates, soils and agriculture demands, we apply the advanced technology to cultivator of potatoes, test their mechanical performance again and again, they are successful improved mini type. The 2CM series cultivator of potatoes match the tractors of mini types, the functions include collection ditching, the soil applying fertilizer, sowing seeds and covering, they may integrally complete fertilizing and seeding.