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Desertification preventing and treating method

A vegetation and Haloxylon technology, applied in horticultural methods, botanical equipment and methods, climate change adaptation, etc., can solve the problems of vegetation diversity reduction, stability decline, neglect of long-term stability of interactive vegetation, etc., to achieve excellent wind resistance The effects of sand fixation, increased survival rate, and reduced sand transport by wind erosion

Inactive Publication Date: 2019-01-25
COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This construction technology can rapidly increase the vegetation coverage in the desert-oasis transition zone in a short period of time, and quickly fix the shifting sand; however, when constructing, it mainly pursues the increase of vegetation coverage and the protective effect, ignoring the regional soil-vegetation-moisture Interaction and long-term stability of vegetation, natural vegetation degrades or even completely replaced by artificial vegetation in artificial vegetation construction areas, vegetation diversity and stability decrease

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] A desertification control method, comprising the following steps:

[0072] The method of fusion planting of Haloxylon and Azalea: In the area where Azalea is distributed in patchy clusters, the distance between the establishment of Haloxylon and the patch of Azalea is 6m;

[0073] The method of fusion planting of Haloxylon and prickly prickly: the sand pile coverage area of ​​prickly prickly is less than 10%, and the density of planting Haloxylon between the sand piles is 1 plant / 12 square meters;

[0074] The planting method of described Haloxylon specifically comprises the following steps:

[0075] First set up a grass square sand barrier with a size of 1.5m×1.5m, and then randomly plant Haloxylon at a density of 1500 plants / ha. Apply a 25cm sand layer along the shovel surface, mix with the sand, and then plant Haloxylon seedlings at a planting depth of 20-25cm, and cover with a layer of dry sand after planting; the time for planting Haloxylon is mid-April, After pl...

Embodiment 2

[0077] A desertification control method, comprising the following steps:

[0078] The method of fusion planting of Haloxylon and Azalea: in the area where Azalea is distributed in patchy clusters, the distance between the establishment of Haloxylon and the patch of Azalea is 8m;

[0079] The method of fusion and planting of Haloxylon saxaul and Bubble thorn: the coverage area of ​​the bubble thorn sand pile is 10-20%, and the density of Haloxylon planting between the sand piles is 1 plant / 20 square meters;

[0080] The planting method of described Haloxylon specifically comprises the following steps:

[0081] First set up a nylon net sand barrier with a size of 1.5m×1.5m, then plant Haloxylon, the size of Haloxylon is 1.5m×1.5m. The water-retaining agent is applied into the 25cm sand layer along the shovel surface, mixed with the sand, and then the Haloxylon seedlings are planted at a planting depth of 30cm, and a layer of dry sand is covered after planting; After planting, ...

Embodiment 3

[0083] A desertification control method, comprising the following steps:

[0084] The method of fusion planting of Haloxylon and Azalea: In the area where Azalea is distributed in patchy clusters, the distance between the establishment of Haloxylon and the patch of Azalea is 6m;

[0085] The method of fusion planting of Haloxylon and prickly prickly: the coverage area of ​​the sand pile of prickly prickly is less than 10%, and the density of planting Haloxylon between the sand piles is 1 plant / 15 square meters;

[0086] Planting Haloxylon: first set up a grass grid sand barrier with a size of 1.5m×1.5m, then randomly plant Haloxylon at a density of 1800 plants / ha, perform hole irrigation before planting Haloxylon, then insert a shovel into the wet sand, Apply 30g of water-retaining agent into the 20cm sand layer along the shovel surface, mix with the sand, then plant Haloxylon seedlings at a planting depth of 20cm, and cover with a layer of dry sand after planting; the Haloxyl...

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Abstract

The invention belongs to the technical field of desertification control, and particularly relates to a desertification preventing and treating method. According to the method, the natural vegetation and artificial vegetation integrated planting technology is adopted for desertification prevention and treatment. The desertification preventing and treating method has the advantages that by the desert-oasis transition zone vegetation construction and ecological conservation technology integrated with natural vegetation, the natural vegetation is utilized and protected to the greatest extent, anda mixed community, in which the natural vegetation of haloxylon ammodendron-nitraria sphaerocarpa, calligonum mongolicum-haloxylon ammodendron and nitraria sphaerocarpa-calligonum mongolicum-haloxylonammodendron is organically integrated with artificial vegetation, is formed. The mixed community has a multilayer canopy structure with more-than-2-meters haloxylon ammodendron, 0.5-1.5m calligonum mongolicum and 0.1-0.5m nitraria sphaerocarpa, and accordingly, the wind prevention and sand fixation effect is enhanced.

Description

technical field [0001] The invention relates to the technical field of desertification control, in particular to a desertification control method. Background technique [0002] In the arid region of Northwest China, the desert-oasis transition zone is the most active area in the processes of oasisization (land reclamation) and desertification (soil degradation). Affected by the water and heat conditions of the oasis, the species diversity and vegetation coverage of the natural vegetation in the desert-oasis transition zone are better than those in the surrounding desert. The vegetation distributed in the desert-oasis transition zone prevents and fixes a large amount of shifting sand around the oasis, which plays an extremely important role in maintaining the stability and ecological security of the oasis. In recent decades, the development of agricultural land, the continuous expansion of oases to deserts, and the excessive development of water resources have led to the dec...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G13/02A01G7/06
CPCA01G7/06A01G13/02A01G17/005Y02A40/22
Inventor 苏永中刘婷娜
Owner COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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