Moisture indicating plant receptacle
US3944916A · kind A · utility
15Cited by
11References
9Claims
0Family size
Inventor
Key dates
| Filing date | Mar 29, 1974 |
| Grant date | Mar 16, 1976 |
| Priority date | — |
| Expiry date | Mar 29, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R27/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for determining in-situ the moisture content of potting soil in a plant receptacle. A pair of metallic electrodes are positioned on opposite sides of a plant receptacle adjacent the interior wall thereof and at a distance from the top of the receptacle which corresponds to the normal root depth of a plant to be contained therein. Each electrode extends externally of the receptacle for electrical connection to one probe lead or terminal of a resistance meter. When a plant is potted with soil in the receptacle, the resistance measured between the terminals is related to the moisture content of the potting soil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.