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Vegetation planting method suitable for arid saline-alkali soil coal mine area

A planting method and technology of saline-alkali soil, applied in the directions of botanical equipment and methods, planting substrate, application, etc., can solve the problems of high temperature, poor water retention of the soil surface, and the surface soil is easily damaged and blown away by wind and sand.

Inactive Publication Date: 2020-11-17
SHENHUA GUONENG ENERGY GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The development and utilization of mineral resources, especially coal resources, has played a major role in promoting the development of human civilization, but at the same time as coal mining, it also brings damage to the ecological environment, especially serious interference to the mining area and surrounding environment , does not meet the requirements of "green mine", which means that in the whole process of mineral resources development, scientific and orderly mining must be strictly implemented, and the disturbance of the mining area and surrounding environment must be controlled within the scope of environmental control , so it is necessary to plant and repair the coal mining area and its surrounding areas
[0003] When planting restoration in Xinjiang and other coal mining areas, the following problems are faced: (1) Desert soil is highly salinized and nutrient deficient
(3) Strong wind and sand, frequent dry and hot wind, low precipitation, large evaporation, and poor water retention on the soil surface
(4) Plant seeds, seedlings and covered surface soil are easily damaged and blown away by wind and sand
(5) The surface temperature is high, and the temperature difference between day and night is large, which is prone to "sunburn" phenomenon, affecting seed germination, seedling germination, growth and survival, or affecting the survival of transplanted seedlings

Method used

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  • Vegetation planting method suitable for arid saline-alkali soil coal mine area
  • Vegetation planting method suitable for arid saline-alkali soil coal mine area

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A coal mining area in Hami City has a typical continental climate, with an annual average temperature of 9.8°C, an extreme maximum temperature of 43°C, and an extreme minimum temperature of -32°C; annual precipitation of 33.8mm, annual evaporation of 3300mm, annual average sunshine of 3358 hours, and a frost-free period 182 days.

[0050] Specific implementation steps

[0051] S1. Mix and prepare desert soil, sand, domestic sludge and fly ash according to the weight ratio of 6:2:1:1 to obtain the formula soil;

[0052] S2. Dig planting pits. The depth of the planting pits should at least exceed the thickness of the saline-alkali soil. Fill the planting pits with formula soil to form a filling layer, and then dig out planting holes in the filling layer.

[0053] S3. Plant arbor plants and shrub plants in the planting holes, intercropping with grids, choose Populus euphratica for arbor plants, Haloxylon for shrub plants, ryegrass and tall icegrass for herbaceous plants, ...

Embodiment 2

[0058] A coal mining area in Hami City has a typical continental climate, with an annual average temperature of 9.8°C, an extreme maximum temperature of 43°C, and an extreme minimum temperature of -32°C; annual precipitation of 33.8mm, annual evaporation of 3300mm, annual average sunshine of 3358 hours, and a frost-free period 182 days.

[0059] Specific implementation steps

[0060] S1. Mix and prepare desert soil, sand, domestic sludge and fly ash according to the weight ratio of 5:1:2:1 to obtain the formula soil;

[0061] S2. Dig planting pits. The depth of the planting pits should at least exceed the thickness of the saline-alkali soil. Fill the planting pits with formula soil to form a filling layer, and then dig out planting holes in the filling layer. The depth of the planting holes is 25 cm.

[0062] S3. Plant arbor plants and shrub plants in the planting hole, and intercropping is carried out with a grid. The arbor plants are selected from Elaeagnus eraefolia, the s...

Embodiment 3

[0067] A coal mining area in Hami City has a typical continental climate, with an annual average temperature of 9.8°C, an extreme maximum temperature of 43°C, and an extreme minimum temperature of -32°C; annual precipitation of 33.8mm, annual evaporation of 3300mm, annual average sunshine of 3358 hours, and a frost-free period 182 days.

[0068] Specific implementation steps

[0069] S1. Mix and prepare desert soil, sand, domestic sludge and fly ash according to the weight ratio of 5:2:2:1 to obtain the formula soil;

[0070] S2. Dig planting pits. The depth of the planting pits should at least exceed the thickness of the saline-alkali soil. Fill the planting pits with formula soil to form a filling layer, and then dig out planting holes in the filling layer.

[0071] S3. Plant trees and shrubs in the planting hole, intercropping with grids, choose Populus euphratica for trees, Tamarix and Haloxylon for shrubs, tall fescue and alfalfa for herbs, and grow trees along the grid ...

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Abstract

The embodiment of the invention provides a vegetation planting method suitable for an arid saline-alkali soil coal mine area. The vegetation planting method comprises the steps of preparing formula soil, digging planting pits and planting holes, interplanting grids, adding a first covering layer and a second covering layer and the like. On the basis that formula soil is prepared from desert soil,sand, fly ash and domestic sludge which are common in the mine area, arbor plants formed by arbor plants, shrub plants and herbaceous plants are used as protective forest belts, the shrub plants are planted in the grids, the herbaceous plants encircle the arbor plants and the shrub plants, and finally a plant planting layout of 'narrow forest belt arbor+under-arbor herbaceous plants and in-grid shrub+under-shrub herbaceous plants' is formed; and through organic matching of the arbor plants, the shrub plants and the herbaceous plants, the planting survival rate of the plants in the arid saline-alkali soil coal mine area is increased.

Description

technical field [0001] The invention relates to the field of planting methods, in particular to a vegetation planting method suitable for arid saline-alkali soil coal mining areas. Background technique [0002] The development and utilization of mineral resources, especially coal resources, has played a major role in promoting the development of human civilization, but at the same time as coal mining, it also brings damage to the ecological environment, especially serious interference to the mining area and surrounding environment , does not meet the requirements of "green mine", which means that in the whole process of mineral resources development, scientific and orderly mining must be strictly implemented, and the disturbance of the mining area and surrounding environment must be controlled within the scope of environmental control , so it is necessary to plant and repair the coal mining area and its surroundings. [0003] When planting and repairing in coal mining areas...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G22/00A01G24/10A01G24/12
CPCA01G17/005A01G22/00A01G24/10A01G24/12
Inventor 王梦张继卫李超
Owner SHENHUA GUONENG ENERGY GRP
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