Semi-automatic selenium sand melon transplanter

The invention discloses a semi-automatic selenium sand melon transplanter. The semi-automatic selenium sand melon transplanter comprises a rack, a seedling casting device, a ditching device, a soil covering device and a soil gathering and seedling protecting device, wherein the front end of the rack is provided with a traction frame, and two sides of the rack are provided with traveling wheels; the seedling casting device is arranged on the upper side of the rack and located behind the traction frame; the seedling casting device comprises a seedling casting pipe vertically fixed to the rack; the ditching device is arranged on the lower side of the front end of the rack; the soil covering device is arranged on the lower side of the rack and located behind the ditching device; the soil gathering seedling protecting device comprises a soil gathering frame, an electric push rod, an auxiliary switch, a PLC and a power supply; the soil gathering frame is erected on the upper side of the rack and located behind the