Soil layer simulation equipment and plant growth state research device

The utility model relates to the technical field of experimental equipment for simulating the influence degree of an underground water level on the growth state of a plant root system, in particular to soil layer simulation equipment and a plant growth state research device. According to the specific technical scheme, the soil layer simulation equipment comprises an underground water level simulator, a channel is formed in the top of the underground water level simulator, a soil layer simulation mechanism is arranged in the channel, the soil layer simulation mechanism comprises a plurality of containing pipes which are vertically stacked together, a supporting and placing plate is arranged at the bottoms of the containing pipes, and the supporting and placing plate is connected with the underground water level simulator. And a plurality of water permeable holes are formed in the supporting plate. According to the soil layer simulation equipment and the plant growth state research device disclosed by the utili