| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple waterer capable of feeding salt damage-free water to plants on a dry land without requiring power, maintenance, etc.SOLUTION: A part of a tubular body (heat siphon type waterer) in which a hydraulic fluid is encapsulated stays in the atmosphere; the remaining part is buried in the ground; the temperature of the surface of the tubular body is reduced to a dew point or below in the ground on the basis of the fact that the temperature in the ground is lower at night; and thereby, water is fed to plants since water vapor in the ground is condensed.SELECTED DRAWING: Figure 2 |
