| 摘要 |
PURPOSE: A hydroponics method using an FDR sensor and a coconut coir culture medium is provided to control the moisture content of the medium using the FDR(frequency domain reflectometry) sensor. CONSTITUTION: A hydroponics method using an FDR sensor and a coconut coir culture medium comprises the following steps: installing the FDR sensor for measuring the moisture content of the medium; inputting the standard moisture content to the FDR sensor; and supplying water to the medium when the moisture content of the medium is less than standard moisture content. |
