| 摘要 |
Vegetal plants are cultured on a plant growth interface (11) including a membrane (10) that is permeable to an aqueous plant nutrient medium (12) but impermeable to plant roots and rootlets (151, 171, 191) and is made of a substantially water-insoluble and non-biodegradeable material; the interface means (11) has a plant contact surface (110) for directing roots and rootlets into a substantially superfacial distribution; the membrane (10) forms at least a portion of an enclosure (18) and has (a) a first or root-side surface that constitutes the contact surface (110) or is adjacent thereto, and (b) a second or root-opposed surface (102) exposed to the aqueous plant nutrient medium; plant germinating means (13, 15) in the form of seeds or seedling plants are arranged on the plant contact surface (110); the second surface (102) of the membrane (10) is maintained in contact with the aqueous medium (12) in liquid phase to induce formation of the superfacial distribution; the germinating means (13, 15) are allowed to grow into plants (17) of a predetermined stage of maturation on the interface means (11) and the plants (17) are separated from the interface means (11). An apparatus for carrying out this method comprises an interface means (11) that includes, or consists of, the membrane (10) and forms at least a part of an enclosure (18) for the aqueous medium (12). The invention is of advantage when water and/or heat are limiting factors or when improved plant culture control methods are needed. |
