| 摘要 |
Installation device formed by a patch or cover with a central opening 1 and a radial incision 2 intended for mulching, irrigation and environmental-control devices for vegetables and flowers, making it possible to reduce the cultivation openings after the planting out of the plants with their root balls while at the same time slowing down evaporation from the soil, the formation of weeds, hardening of the soil and erosion in the area of the occluded opening, the cover having an outside diameter 3 greater than or equal to the diameter of the openings of the mulching devices. <IMAGE>
|
