| 摘要 |
A double wall plant pot, having a soil compartment and a fluid compartment, is presented. It includes also means to regulate the rate of flow from the fluid compartment to the soil compartment, and means to prevent soil from penetrating to the fluid compartment. Both hydrostatic and capillary pressures drive the fluid from the fluid into the soil the soil compartment respectively. Also described are means to aerate the soil compartment. |
