| 摘要 |
PCT No. PCT/AT86/00042 Sec. 371 Date Jan. 13, 1987 Sec. 102(e) Date Jan. 13, 1987 PCT Filed May 13, 1986 PCT Pub. No. WO86/06578 PCT Pub. Date Nov. 20, 1986.Pipe for watering plants, having an inner feed pipe (1) provided with orifices (5) and of substantially circular cross-section, on the outside surface of which there are one or a plurality of layers of fibrous material (2a, 2b). The feed pipe (1) and the layers of fibrous material covering at least the orifices (5) therein are enclosed by a casing (3) which is impervious to water and which has a longitudinal slit (4) disposed radially outside over the orifices (5) and through which the water, enriched with fertilizer if necessary, can pass into the soil under control. |
