Comprehensive restoration method for salt-alkali degraded marsh wetland in plain area
A recovery method, salinity-alkali technology, applied in the direction of site preparation methods, botanical equipment and methods, climate change adaptation, etc., can solve problems such as unsatisfactory results, achieve easy maintenance and consolidation, strong vitality, and protect the wetland environment Effect
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specific Embodiment approach 1
[0017] Specific implementation mode 1: The comprehensive restoration method of the saline-alkali degraded marsh wetland in the plain area in this embodiment is carried out according to the following steps:
[0018] 1. Leveling the land: Choose a saline-alkali degraded marsh wetland with a width of 50m~60m and facing the water on the plain area to be restored. The land forms a small slope with the water surface, and the slope angle is 5° ~8°, using mechanical tools to loosen and level the saline-alkali degraded swamp wetland with the soil layer between the ground surface and the 18cm~22cm below the ground surface as the improved soil layer, and then establish the ditch water system of different heights at a location 5m from the waterfront Corresponding to the excavation of the first ditch on the slope, the width of the ditch is 15cm~20cm, the depth of the ditch is 20cm~25cm, and the second ditch is excavated on the corresponding slope at 25m from the waterfront line, the width of t...
specific Embodiment approach 2
[0024] The second embodiment: This embodiment is different from the first embodiment: In step one, a saline-alkali degraded marsh wetland with a width of 52m~58m and facing the water is selected, which forms a small slope with the horizontal surface. It is 6°~7°. The other steps and parameters are the same as in the first embodiment.
specific Embodiment approach 3
[0025] Specific embodiment three: This embodiment is different from specific embodiment 1: In step 1, the first ditch is excavated on the corresponding slope at 5m from the waterfront, the width of the ditch is 16cm~18cm, and the depth of the ditch is 21cm~24cm. Excavate a second ditch on the corresponding slope at a location 25m from the waterfront, with a width of 16cm~18cm and a depth of 11cm~14cm, and excavate a third ditch on the corresponding slope at a location 40m from the waterfront, with a width of 16cm~18cm, groove depth 6cm~9cm. The other steps and parameters are the same as in the first embodiment.
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