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Fast vegetation restoration method for shifting sandy land

A sandy, fast technology, applied in the direction of soil preparation, botanical equipment and methods, plant cultivation, etc., can solve the problems of low benefit, high maintenance cost, poor sustainable benefit, etc.

Pending Publication Date: 2017-11-24
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Facing the restrictive problems existing in the construction of Qinghai-Tibet Plateau projects, such as high construction and maintenance costs, difficulty in breeding suitable plants, poor sustainable benefits, and low benefits, it is urgent to develop a new technology for vegetation regeneration and desertification control, forming A highly targeted technical system, and carry out demonstration research, to provide technical support for railway sand prevention in alpine regions

Method used

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  • Fast vegetation restoration method for shifting sandy land
  • Fast vegetation restoration method for shifting sandy land
  • Fast vegetation restoration method for shifting sandy land

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1: a kind of rapid reconstruction method of moving sand vegetation, comprises the following steps:

[0041] 1. Preparation of engineering materials

[0042] a. Use river sand, cement and steel bars to make cement boards. The cement boards are 150cm long, 60cm wide, and 5cm thick. The steel bars on one side of the long side are lengthened and bent into an inverted "U" hook with a length of 10cm. There are 3 bends in a row hook;

[0043] b. Use pruned branches in the garden, straw in agricultural production and other agricultural and forestry wastes to compost after they are chopped and livestock manure;

[0044] c. Cut 200cm×200cm non-woven mulch film, the density of non-woven fabric is 30g / cm 2 Left and right, gradually degrade after the plant grows stably;

[0045] 2. Biomaterial Preparation

[0046] a. Investigate and analyze the sandy land plant communities in the climate zone where the control area is located during the peak growth period of plants, a...

Embodiment 2

[0054] Example 2 (different plant material)

[0055] According to the step of embodiment 1, carry out the rapid reconstruction method of moving sandy land vegetation, wherein the plant materials are respectively separately selected 4 kinds of plant materials of Elymus brevis, multi-leaf old awn wheat, bluegrass bluegrass of Qinghai cold ground, and fescue sinensis, respectively. Separately and evenly spread in the grid, other sand barrier settings, bio-fertilizer and non-woven improvement measures are the same as in Example 1. The growth status of these four plants after 3 months is as follows: Figure 4 shown.

Embodiment 3

[0056] Embodiment 3 (different combinations of sand improvement measures)

[0057] According to the step of embodiment 1, carry out the rapid reconstruction method of moving sandy land vegetation, wherein plant material selection Elymus brevis: multi-leaf old awn wheat: bluegrass bluegrass of Qinghai: Chinese fescue according to 1 / 3: 1 / 3: 1 / 6:1 / 6 (weight ratio) for mixed seeding. The above-mentioned plant material assembled by the present invention is respectively sown on grid sand barrier+biological fertilizer+non-woven fabric (ESCF), grid sand barrier+biological fertilizer (ESC), grid sand barrier+non-woven fabric (ESF) , Grid sand barrier (ES) under 4 different sand improvement measures, the growth status after 3 months is as follows: Figure 5 shown.

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Abstract

The invention provides a fast vegetation restoration method for shifting sandy land. The fast vegetation restoration method is characterized in that engineering materials are used to perform block subdivision on the shifting sandy land to form grid blocks with sand barriers; organic fertilizer is evenly spread in the blocks, plant materials are evenly sown in the blocks, and even leveling and compacting are performed; the sandy land is covered with a nonwoven mulching film, and the edges of the mulching film are pressed into the sandy land. The method has the advantages that fast and economical vegetation restoration of the high and cold shifting sandy land can be achieved, and the method is low in maintenance cost and good in lasting effect.

Description

technical field [0001] The present invention relates to a method for quickly rebuilding vegetation, in particular to a method for quickly rebuilding vegetation in moving sandy land, in particular to a method for quickly rebuilding vegetation in moving sandy land in alpine regions. Background technique [0002] The degradation of vegetation and soil will be accompanied by the increasingly severe desertification trend. The surface environment of the formed mobile sand is extremely unstable, the nutrient content is extremely low, and the water evaporation is strong. The condition of the plant seed bank in the sand is extremely poor, which seriously limits the vegetation. natural recovery. At the same time, the instability of the mobile sandy land also seriously threatens the surrounding environment. For example, the mobile sandy land along the Qinghai-Tibet Railway poses a great safety hazard to the safe operation of the Qinghai-Tibet Railway, and limits the improvement of the ...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01B79/02A01G13/02
CPCA01B79/02A01G13/0275A01G22/00
Inventor 周金星罗久富刘学敏王丽娜刘玉国关颖慧董林水
Owner BEIJING FORESTRY UNIVERSITY
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