This series seeder with the characteristics of reasonable structure, convenient adjustment, reliable quality, high working efficiency and field smooth after seeding, is suitable for drilling wheat, millet, broomcorn and so on, and it can finish the process of leveling up billabong, building ridge, seeding, fertilizing, earth up, and pressing in once. It adopts light-duty double-disc ditching implement with good pass-ability. The model 2BFT-6/2BFT-9 seeder can seed and fertilize at the same time.