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Comprehensive treatment system for coastal low-lying saline-alkali soil constructed on basis of ecological island

A comprehensive treatment and saline-alkali land technology, applied in the field of ecological industry, can solve the problems of difficult planting in agriculture and forestry, short utilization time, low vegetation coverage, etc. Effect

Active Publication Date: 2017-06-20
BINZHOU UNIV
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Problems solved by technology

[0004] In coastal low-lying saline-alkali land areas, there are high groundwater levels, high salinity-alkali content, serious surface water accumulation under micro-topography, difficulties in agricultural and forestry planting, low vegetation coverage, and low land productivity
At present, the traditional single-field land preparation model is its main treatment method, but this method has a large amount of engineering, low land utilization rate, easy to form stagnant water areas, and short utilization time; Supporting plant material protection, soil secondary salinization is serious, it is difficult to form a sustainable and efficient agricultural and forestry industry

Method used

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  • Comprehensive treatment system for coastal low-lying saline-alkali soil constructed on basis of ecological island

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Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: specific technical measures of the system

[0026] 1. The soil environment of the implementation site

[0027] The invention is mainly applied to the moderate salinization section in the coastal area, and the total salt content of the 0-60cm soil layer is 0.3%-0.6%. The pH is between 7.5-8.0. Soil bulk density is 1.48-1.52g / cm 3 , low terrain, serious water accumulation, basically no agricultural and forestry production, low vegetation coverage, mainly aquatic plants such as reeds and thatch.

[0028] 2. Construct a hydraulic site preparation integrating "peripheral canal - built-in biological pool - spacer / terrace"

[0029] In the coastal low-lying land, firstly adopt engineering site preparation measures to construct "|—|" type water channels. Among them: 1) The "—" type water channel is set up as a 3-partition breeding pond, and two terraces are built on both sides of it, mainly for agricultural and forestry planting (it can be used to plant crops...

Embodiment 2

[0037] Example 2: System Technical Summary and Effect Analysis

[0038] 1. Technical summary

[0039] The invention is mainly applied to the moderate salinization section in the coastal area, and the total salt content of the 0-60cm soil layer is 0.3%-0.6%. The pH is between 7.5-8.0. Soil bulk density is 1.48-1.52g / cm 3 , low-lying terrain, severe water accumulation, low vegetation coverage, and difficulties in agroforestry planting.

[0040] (1) Land preparation measures for water conservancy projects, forming a management module integrating "peripheral canals - built-in biological pools - spacers / terraces". The construction takes the "|—|" type canal as the core, and correspondingly sets up 2 terraces and 4 strip fields to form a unit configuration module of one canal, two terraces and four fields. Therefore, the ratio of canals: terraced fields: stripped fields should be set to 1:2:4, and the striped fields and terraced fields are divided by water channels as partitions...

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Abstract

The invention relates to the technical field of ecological industry and especially discloses a comprehensive treatment system for coastal low-lying saline-alkali soil constructed on the basis of an ecological island. The comprehensive treatment system for the coastal low-lying saline-alkali soil constructed on the basis of the ecological island takes a moderate saline-alkali soil section in a coastal area as an implementation object and is characterized in that (1) on the coastal low-lying land, an engineering soil preparation measure is taken for constructing a 'H' shaped water channel; (2) a biological pool is arranged in an '-' shaped water channel and platform fields are constructed on the two sides; (3) strip fields which are parallel to the '-' shaped water channel and are in corresponding length are arranged on the peripheries of the platform fields; (4) the strip fields are constructed on the outer side of the two 'I' shaped water channels. The comprehensive treatment system provided by the invention has the advantages of simple configuration, eco-environment protection, capability of effectively accumulating low-lying land water, capability of effectively utilizing water, high survival rate of the plant, excellent salt-reducing soil-improving function, obvious ecological effect in protecting forest and capability of obviously increasing crop yield.

Description

[0001] (1) Technical field [0002] The invention relates to the technical field of ecological industry, in particular to a comprehensive control system for coastal low-lying saline-alkali land constructed on the basis of ecological islands. [0003] (2) Background technology [0004] In coastal low-lying saline-alkali land areas, there are high groundwater levels, high salinity-alkali content, severe surface water accumulation under micro-topography, difficult agricultural and forestry planting, low vegetation coverage, and low land productivity. At present, the traditional single-field land preparation model is its main treatment method, but this method has a large amount of engineering, low land utilization rate, easy to form stagnant water areas, and short utilization time; Supporting plant material protection, soil secondary salinization is serious, and it is difficult to form a sustainable and efficient agricultural and forestry industry. [0005] From the perspective of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B77/00A01K63/00E02B1/00A01G1/00A01G17/00
CPCA01B77/00A01G17/005A01G22/00A01K63/003E02B1/00
Inventor 夏江宝王贵霞陈印平赵西梅
Owner BINZHOU UNIV
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