Rice topdressing culture device

The invention relates to the technical field of rice culture, in particular to a rice topdressing culture device. The rice topdressing culture device comprises a culture frame assembly, eight culture trays, four position adjusting assemblies, four spraying assemblies and four spray head assemblies. According to the device, it can be ensured that culture medium liquid is evenly conveyed into each culture placing hole of the culture tray, nutrients are provided for rice seeds, the outflow amount and the conveying speed of the culture medium liquid are effectively controlled, the adjusting accuracy is improved, waste is avoided, meanwhile, healthy growth of the seeds is guaranteed, meanwhile, automatic regular supply of the culture medium liquid is achieved, and the production efficiency is improved. According to the method, the stability of the surrounding environment of the rice seeds is maintained, and the appropriate environment and nutrition supply required by the growth of the rice seeds are maintained, so