Seedling raising tray for forestry sapling transplanting

The invention discloses a seedling raising tray for forestry sapling transplanting. The seedling raising tray comprises a tray body, a liquid supplementing structure and a ventilation structure, the top of the tray body is provided with the liquid supplementing structure, the bottom of the tray body is provided with the ventilation structure, a nutrient solution is supplemented into the tray body through a water inlet pipe, in the piston propelling process, the nutrient solution can be conveyed to an annular pipe through a guide pipe, under the cooperation of a throttling valve, the solution conveying speed is limited, the nutrient solution drips into a soil matrix through drip irrigation spray heads, water and nutrient substances can be continuously supplemented to soil, a good living environment is provided for transplanted plants, meanwhile, loss of a large number of nutrient substances and water during one-time supplementing is avoided, when in use, by changing the rotating speed of a draught fan, the air