2 BQ series air suction precise seeder, is a kind of multi-purpose fully mounted agricultural machines. This machine is suitable forsowing and fertilizering on the soil after cultivated orsoil preparation work. In the suction on the disseminator change different seed plate can transpose spacing in the rows, precision planting corn, soybeans, sorghum, cotton (sulfuric acid to take off the pile of cottonseed), oil sunflower,many kinds of crops and so on, can a complete fertilization, furrowing, sow, cover earth, rolling and so on.