| 摘要 |
<p>An environment-friendly automatic filtration irrigation planting device with hermetic liquid comprises a planting container (1), and irrigation and drainage tubes (6). The inner part of the planting container is orderly provided with a layer (5) composed of ceramic aggregate and sand; a layer (4) composed of medical stone, sand and perlite; and a layer (3) composed of organic substrate from bottom to top. The layer composed of ceramic aggregate and sand, and the layer composed of medical stone, sand and perlite form a water storage layer. The layer composed of ceramic aggregate and sand is provided with a first irrigation and drainage tube (62) having U-type inner cavity. The layer composed of medical stone, sand and perlite is provided with a second irrigation and drainage tube (61) having U-type inner cavity as a snorkel. The ends of the first and second irrigation and drainage tubes respectively connect with a vertical water inlet tube (2). The other ends of the first and second irrigation and drainage tubes are sealed. The bottom of the water inlet tube is sealed. Plant is planted in the layer composed of organic substrate.</p> |
