Ecological floating bed plant arrangement and management method

Abstract

The invention relates to the field of water pollution management and water body ecological restoration, and discloses an ecological floating bed plant arrangement and management method, which comprises that an ecological floating bed is divided into a water planting area and an underwater planting area; the water planting area is sequentially provided with a first water planting area, a second water planting area and a third water planting area from inside to outside; high stalk type emerged plants are planted on the first water planting area, medium-high stalk type emerged plants are plantedon the second water planting area, and low stalk type emerged plants are planted on the third water planting area; the high stalk type emerged plants and the medium-high stalk type emerged plants areharvested respectively in July-August and December, and the low stalk type emerged plants are harvested in June-August; and submerged plants are subjected to field planting on the underwater plantingarea, and are harvested in November-December. According to the present invention, with the method, the ecological floating bed can have the perennially continuous pollution purification effect, can block the invasion of weeds, especially alien invasive plant Alternanthera philoxeroides Griseb, and can effectively prevent plants from lodging.

Description

technical field [0001] The invention relates to the fields of water pollution control and water body ecological restoration, in particular to a configuration and management method of ecological floating bed plants. Background technique [0002] Ecological floating bed is a kind of water ecological restoration technology derived from modern agronomic soilless planting technology. It is also commonly called ecological floating island, biological floating bed, artificial floating bed, artificial floating island or biological floating island. In recent years, with the comprehensive advancement of my country's water pollution prevention and control work, this ecological restoration technology known as "water garden" has been widely used in many areas of our country. As far as engineering measures are concerned, the main difference between the ecological floating bed and natural plant purification is that the ecological floating bed uses light materials to fix the aquatic plants a...

AI Technical Summary

Problems solved by technology

However, since the two planting areas are all set on the water surface, the stems of emergent plants in the first planting area are tall, while the stems of floating leaves or submerged plants in the second planting area are very short and will spread outwards. , it will inevitably lead to a weak sense of viewing hierarchy (too large height difference), easy lodging of plants in the first planting area, and inconvenience in later maintenance and management (for example, it is difficult to enter the first planting area for maintenance due to the extension of plants in the second planting area), etc. Problem; In addition, the setting of the second floating leaf or submerged plant planting area will inevitably lead to the reduction of the planting area of ​​the first planting area, and the purification efficiency per unit area of ​​the floating bed is very likely to decrease instead of increase.

On the other hand, a large number of engineering practices have found that yellow-flowered water dragons or submerged plants are also very vulnerable to the invasion of alien invasive plants, especially the hollow lotus, which also brings difficulties to later maintenance and management

[0005] At the same time, this patent document also discloses that a rope-like carbon fiber ecological grass is suspended at the bottom of the ecological floating bed, and the ecological grass is used as a biofilm carrier to further improve the pollution purification effect of the ecological floating bed, but the carbon fiber ecological grass is made of artificial It is made of synthetic materials, and the production cost is high. Its pollution purification mainly depends on the oxidative degradation of microorganisms attached to it, and its ability to purify nitrogen and phosphorus substances is very limited. In addition, the material needs to be suspended at the bottom of the ecological floating bed. very inconvenient

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