Method for accelerating insertion of pioneer plant suaeda salsa in coastal reclamation land area

A pioneering plant and Suaeda salsa technology, applied in the field of accelerating the growth of Suaeda salsa in coastal reclamation land area, can solve the problems of long idle time, etc., and achieve the effects of simple construction, rapid desalination and low cost

Active Publication Date: 2018-03-16
TIANJIN TEDA GREEN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under natural conditions, the quality improvement of dredger reclamation depends entirely on the growth and growth of the pioneer plant Suaeda salsa, but the idle time in the early stage is too long, which cannot meet the speed of urban ecological construction in the exist

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] The example test started in early May 2016 at the original soil greening experimental research base of TEDA Greening Group in Nangang Industrial Zone, Tianjin. 2 (100m×20m), the average salt content of the 0-40cm topsoil layer is 37.6g / kg, the pH value is 8.29, bare land, no plants survive.

[0029] A technical method for accelerating the growth of the pioneer plant Suaeda salsa in the land area of ​​coastal reclamation in the initial stage of reclamation. The slope is excavated downwards, the slope angle of the bottom surface of the excavation surface is 120°, and the excavation depth is 12.5cm. Excavate, flatten, and form ridges to form ridges. The height of the ridge is 25cm, the width of the upper surface is 30cm, and the width of the bottom is 59cm. The side surface and the side of the unexcavated ridge platform are in the same plane, and the ridge platform is flattened; according to the ridge, every other ridge platform is covered with a 0.03mm thick transparent ...

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Abstract

The invention relates to a method for accelerating insertion of a pioneer plant suaeda salsa in a coastal reclamation land area. The method comprises the following steps that 1, land levelling is performed; 2, uniform scribing is made according to the separation distance of 25-75 cm; 3, down digging is performed along an oblique plane every two scribing zone, soil dug out is uniformly piled in adjacent non-dug scribing zones, wherein dug bottom surface slope angles are greater than or equal to 105 degree but are smaller than or equal to 135 degrees, and the digging depth is 7.5-17.5 cm; 4, thedug soil oiled in the non-dug scribing zones are spread flat and ridged to form ridge tables; 5, adjacent ridge table tops are covered with film every two ridge table tops ridge by ridge; 6, strip-shaped holes are formed at the positions, 1/2-1/3 away from the bottom of furrowed land, on two side faces of each uncovered ridge table; 7, suaeda salsa seeds are sowed in the strip-shaped holes according to the amount of 10-20 g/m; 8, the side faces of the uncovered ridge tables are pat-pressed and levelled. The method is simple in structure and good in operability, and quick desalination and desalting of the coastal reclamation soil are achieved.

Description

technical field [0001] The invention relates to a method for accelerating the growth of Suaeda salsa in saline lands, in particular to a method for accelerating the growth of Suaeda salsa in coastal land reclamation areas. Background technique [0002] Coastal dredging is a sedimentary soil formed by dredging the seabed mud from the offshore through hydraulic dredging. Affected by the seawater environment, the dredger fill soil has high salinity, strong alkalinity, fine particles (mainly clay), high water holding capacity, high content of invalid pore water, and tight texture, making it difficult for plants to survive. Generally, within 2 years of dredging and filling, the surface is basically bare and no plants survive; after 3 to 4 years of dredging and filling, the pioneer plant Suaeda salsa appears to invade and grow sporadically, but the biomass is extremely low. Under the conditions of evaporation and evaporation, the salinity of the dredger fill soil is only continuo...

Claims

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Application Information

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IPC IPC(8): A01G22/00
Inventor 赵秀芳谢志远
Owner TIANJIN TEDA GREEN GRP CO LTD
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