Seeding and fertilizing device for direct seeding of rapes

The sowing and fertilizing device comprises a seed cylinder, a fertilizer cylinder and a base plate, a tractor is fixed to the side end face of the base plate, a first fixing frame is fixed to the bottom end face of the base plate, a first rolling wheel is rotationally installed in the first fixing frame, first fixing teeth are fixed to the first rolling wheel, and second fixing teeth are fixed tothe second rolling wheel. A second fixing frame is fixed to the bottom end face of the base plate, a second rolling wheel is rotationally installed in the second fixing frame, second fixing teeth arefixed to the second rolling wheel, a seed barrel and a fertilizer barrel are embedded and fixed to the top end face of the base plate, and a first discharging pipe is embedded and fixed to the bottomend face of the seed barrel; a first rotating shaft is rotationally installed in the seed barrel, first screwing fan blades are fixed to the first rotating shaft, a second discharging pipe is embedded and fixed to the bottom e