| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a plant cultivation system in which solar light energy can be used for efficient temperature control in a plant cultivation house.SOLUTION: A plant cultivation system comprises: a solar cell arranged on a roof surface so that sunlight having predetermined strength or higher is applied in a plant cultivation house; a warm water circulation path; water supply means for supplying water in the warm water circulation path; draining means for draining warm water in the warm water circulation path; a circulation pump for warm water in the warm water circulation path; a heater for heating water in the warm water circulation path; heat storage means or a storage battery; a control circuit for controlling these components; and a power control circuit for supplying power from photovoltaic power generation means to the control circuit. The plant cultivation system is provided with an embedded heater in which a part of the warm water circulation path and some of a plurality of temperature sensors are embedded in a culture medium.</p> |
