Rapid construction method of vegetations of sea reclamation area

Abstract

The invention relates to a rapid construction method of vegetations of a sea reclamation area. The method comprises the following steps: 1, salt is removed by concealed conduits, wherein the distance of the concealed conduits is 2-3 m, the depths of the concealed conduits for plating herbs, flowers and ground cover plants are 70-80 cm, the depths of the concealed conduits for planting undershrubs and large shrubs are 90-105 cm and the depths of the concealed conduits for planting trees with shallow roots and trees with deep roots are 135-150 cm, if different types of plants are combined, the maximum required depth in all plants is taken as a reference; 2, reclamation sea mud is doped with sea sand and acetylene sludge, and garden waste fragments or plant straw fragments or mixtures thereof are added and uniformly mixed; 3, after doping, salt water, brackish water and fresh water are used for irrigation and salt elimination; and 4, salt resistant pastures or / and halophytic vegetations are sown to biologically modify the soil, meanwhile, 4-8 kg of organic fertilizer is applied to each square meter, and at last, the plant is planted and managed. The rapid construction method of the vegetations of the sea reclamation area, provided by the invention, solves the problem of using the reclamation sea mud as a greening soil source.

Description

technical field [0001] The invention relates to a greening method for sea reclamation land reclamation, in particular to a method for quickly building vegetation in land reclamation reclamation areas mainly aimed at silty coastal zones. Background technique [0002] In recent years, in order to achieve sound and rapid regional economic and social development, coastal areas have taken marine resources and location advantages as a powerful engine to promote economic and social development in the region, and have introduced a series of major strategic measures. National major projects such as nuclear power, steel, and heavy chemicals have gathered along the coast, and the industrial chain has continued to extend, and the development of the ocean has suddenly increased in various places. Liaoning has made a strategic deployment of "five points and one line along the coast", Hebei has proposed the construction of "Caofeidian and Cangzhou Bohai New Area", Tianjin has accelerated t...

AI Technical Summary

Problems solved by technology

[0003] At present, the method of quickly constructing vegetation in such areas is to use the traditional farmland alien soil method, but this method has the phenomenon of constructing the ecological environment of one place while destroying the ecological environment of another place, which obviously violates the concept of sustainable development; Or after dredging and reclamation of sea mud through natural dredging and natural rainfall desalination, then improve it through the natural succession of saline vegetation. This method is in line with ecological laws, but it takes too long to adapt to economic and social development and human settlements. Environmental construction requires time; we have also mixed alkali slag and fly ash in the reclamation sea mud to change the physical and chemical properties of the bay mud, increase the infiltration rate, and bury hidden pipes, wash salt with fresh water, and then carry out landscaping construction It was successful (Patent No. 96100711.7), but the cost of this method is high, especially the demand for fresh water is large, and it is limited by alkali slag, fly ash resources and geographical constraints, and due to technological progress, fly ash is more processed into more value-added products. Due to the high material usage, it is difficult to have fly ash as an improved material for sea mud reclamation at present, and other waste substitutes must be found, and the promotion and application are also limited; for the improvement technology of sea mud reclamation and planting trees and shrubs Different plant types such as grass also lack corresponding technical parameters, such as dead-leg buried depth and spacing