Automatic plant carbon cleaning and sequestration capability determination system and determination method

The invention belongs to the technical field of plant net carbon sequestration capacity determination, and particularly relates to an automatic plant net carbon sequestration capacity determination system and a determination method. Comprising a plant artificial photosynthesis incubator controlled by an upper computer IPC and a PLC, a gas supply and exhaust unit and a gas online continuous automatic monitoring unit. The plant artificial photosynthesis incubator comprises a shell, a sealed inner working chamber is arranged in the shell, an LED lamp source, a temperature sensor, a humidity sensor, a pressure sensor and a constant-temperature and constant-humidity adjusting device are arranged in the inner working chamber, and the gas supply and exhaust unit comprises a gas inlet device and a gas exhaust device which are connected with the inner working chamber; the gas online continuous automatic monitoring unit comprises a first gas electromagnetic valve, a second gas electromagnetic valve, online infrared ana