Rapid construction method of vegetations of sea reclamation area
A construction method and vegetation technology, applied in land preparation methods, climate change adaptation, soil improvement machinery, etc., can solve problems such as violation of the concept of sustainable development, lack of technical parameters, and restrictions on promotion and application, and avoid land resources and ecological balance. The effect of increasing the penetration rate and accelerating the aging process
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Embodiment 1
[0019] The dredging reclamation sea mud in Tianjin Binhai New Area has high clay content, strong plasticity, high salt content, and low permeability coefficient. In the first ten days of November, blind pipes were laid in the green area of the dredging reclamation area in the 90cm soil layer as required, and the distance between the dark pipes was set to 2 -3m; after freezing in winter and thawing in spring, add calcium carbide slag and sea sand to the dredging sea mud, where dredging sea mud: sea sand: carbide slag (volume ratio) = 0.55: 0.40: 0.05, and after mixing Add 5% of its volume to the debris of dead branches in the garden, and mix evenly; after mixing, first use 3-6g / L salt water to irrigate and desalinate, and after mixing, blow fill the sea mud with 0-60cm soil salinity When it drops below 6g / kg, use 1-3g / L brackish water to irrigate and desalinate, and when the salinity of the 0-60cm soil body drops below 3g / kg, use fresh water to irrigate once, and sow alfalfa a...
Embodiment 2
[0028] The area of the demonstration project is 10,000 square meters, the initial salt content is 30.6g / kg, and the buried depth of the blind pipe is 135cm. The rest of the improvement process is the same as that in Example 1. Suaeda salsa (saline vegetation) is planted for biological improvement, and then Albizia juliensis is planted. , black locust, Chinese locust tree, eucalyptus, Jin Baixue, thousand-headed chrysanthemum, torch tree, hibiscus, amorpha, phoenix, iris, golden leaf, winter jasmine, alfalfa and other garden plants, with a plant survival rate of over 98%. Good growth.
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