The invention discloses a single-piece-type minimum-tillage and no-tillage sowing head. The sowing head comprises a sowing beam and a plurality of sub-sowing heads fixed on the sowing beam; each sub-sowing head comprises a frame body connected with the sowing beam and a digging head rotatably fixed to the end of the frame body, each digging head comprises a vertical sowing board and a blade edge arranged at the soil facing side of the sowing board and used for cutting soil off, the side face of the soil backing side of each digging head is provided with a seed discharging port for seeding anda fertilizer discharging port for outputting fertilizer, each fertilizer discharging port is located below the corresponding seed discharging port, and each sowing board is internally provided with aseeding channel and a fertilizer discharging channel which are communicated with the corresponding seed discharging port and the corresponding fertilizer discharging port respectively. The soil facingsides of the sowing boards of the digging heads are provided with the blade edges, the soil backing sides of the digging heads are provided with the seed discharging ports and the fertilizer discharging ports, the sowing boards are internally provided with the seeding channels and the fertilizer discharging channels, seeds and fertilizer can be buried to predetermined depth without ditching, theworking procedures of sowing operation are simplified, and the sowing cost is reduced.