Hybrid rice seedling raising device

The utility model relates to a hybrid rice seedling raising device which comprises a seedling raising box, supporting plates are fixedly connected in the seedling raising box, the supporting plates are symmetrically distributed relative to the center line of the seedling raising box, a positioning rod is fixedly connected to the top of each supporting plate, and a seedling raising U-shaped groove is connected to the periphery of each positioning rod in a sleeved mode. A supporting plate is fixedly connected to the side, close to the positioning rod, of the top of the seedling raising U-shaped groove, a threaded plate is connected to one side of the supporting plate in a sliding mode, and a first clamping plate and a second clamping plate are connected to the side wall of the threaded plate in a sliding mode. According to the seedling cultivation device, the situation that seedlings incline in the cultivation process and influence the growth effect is avoided, a nutrient solution in a nutrient solution box can