Forest seedling culture nutrient solution recycling device

The utility model discloses a forest tree seedling culture nutrient solution recycling device which comprises a seedling culture frame, a seedling culture water tank and a nutrient solution recycling device. The pumpback mechanism comprises a liquid collecting barrel, a liquid return pipe, a water suction pump and a liquid suction pipe, one end of the liquid return pipe is connected with the liquid collecting barrel, the other end of the liquid return pipe is used for being connected with the seedling raising water tank, the water suction pump is arranged in the liquid collecting barrel, and one end of the liquid suction pipe is connected with a water outlet of the water suction pump. Compared with the prior art, the device has the advantages that a nutrient solution in the seedling raising water tank can be recycled through the liquid return pipe and the liquid collecting barrel, meanwhile, the nutrient solution can be quickly supplemented or put in through the liquid pumping pipe and the water pump, the wor