| 摘要 |
<p>The combination of a growing medium (26) for a horticultural product (29), a horticultural product (29) within the growing medium (26), and a sensor (10) having a body (12) made up of a porous material (22) that changes in physical appearance with a change in the amount of moisture retained by the porous material (22). In an operative state, the first part (30) of the sensor body (12) resides within the growing medium (26) and a second part (32) of the body (12) remains visible to allow a user to ascertain through the appearance of the second part (32) of the sensor (10) the amount of moisture in the growing medium (26).</p> |
