Seeder

The utility model provides a seeder. The seeder comprises a shell, the bottom end of the shell is in an inverted cone shape and is provided with an outlet, the seeder further comprises a pressing rod, the pressing rod comprises a pressing end and a push rod, the push rod and the shell are arranged in an up-down sliding mode, a first spring is arranged between the pressing end and the top end of the shell, and the axial section, close to the bottom end, of the push rod is a working section. An axial groove is formed in the surface of the working section and has depth in the radial direction of the push rod, a second spring is arranged between the sliding plate and the axial groove, the sliding plate comprises a concave section and a through hole section which are distributed up and down and sequentially connected, the thickness of the concave section is smaller than that of the through hole section, and the thickness of the through hole section is larger than that of the concave section. The part, protruding o