The composition of the invention is that plants grown in drought conditions or circumstances ever constitution polo Since the growth of plants can grow depending on the plant environment to observe and thus relates to a drought simulation facilities capable of growing environmental research plant, water is formed of a material that does not flow or flows, constant height from the ground or not is formed to have a, so that the storage space can be saved inside the soil is formed, and the upper opening, the drain is formed outside the longitudinal direction, the drain valve is provided in multiple vertical side walls formed on both sides in a longitudinal direction, and soil storage unit comprising a support insertion opening for insertion is formed on top of the longitudinal walls on both sides, is inserted into the soil storage portion and the insertion port to prevent inflow of rain or snow, rain their screening and automatically opened and closed by a motor , installed on the upper side with a plurality of soil stored in the soil storage unit, and the water supply pipe for supplying water to the soil via a pump provided outside, is provided in the non their screening the first sensor unit for measuring the humidity and temperature of the external and, installed inside the soil stored in the storage unit with the soil-sensing part including a second sensor for measuring the humidity and temperature of the soil, the motor and the pump and sensor connection portion is, the sensor unit detects the signal and a controller for controlling the motor and the pump via a control signal.본 발명은 식물이 생장하는 조건을 가뭄 또는 적정관수구 환경으로 조성할 수 있으므로 식물을 생장시키는 환경에 따라 식물의 생장을 관찰 및 이에 따른 생장환경 조사가 가능한 식물의 가뭄 모의 시설에 관한 것으로서, 물이 유출 또는 유입되지 않는 재질로 형성되고, 지면 또는 지중에서 일정 높이를 가지고 형성되며, 내부에 토양이 저장될 수 있도록 저장공간이 형성되고, 상부가 개구되며, 길이방향 외측에 배수로가 형성되고, 길이방향을 따라 형성된 양측 벽면 상하측에 배수밸브가 다수 설치되고, 상기 길이방향 양측 벽면의 상단에 형성되는 지지대 삽입용 삽입구를 포함하는 토양저장부와, 상기 토양저장부의 상기 삽입구에 삽입되어 비 또는 눈의 유입을 방지하며, 모터를 통해 자동으로 개폐되는 비가림막과, 상기 토양저장