US Patent 11337376 Plant cultivation device and plant cultivation method

A plant cultivation device and a plant cultivation method are disclosed. The plant cultivation device includes: a holder including at least one plant cultivation layer; a lighting unit disposed in the at least one plant cultivation layer to allow light emitted from the lighting unit to irradiate a plant cultivated in the plant cultivation layer; an illuminance detecting unit configured to detect an illuminance in the plant cultivation layer to obtain an illuminance measurement; and a control unit configured to obtain the illuminance measurement and adjust a lighting intensity of the lighting unit according to the illuminance measurement.