CN114540040B - Agent for quickly repairing and desertifying soil matrix of plateau environment vegetation - Google Patents
Agent for quickly repairing and desertifying soil matrix of plateau environment vegetation Download PDFInfo
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- CN114540040B CN114540040B CN202011300636.XA CN202011300636A CN114540040B CN 114540040 B CN114540040 B CN 114540040B CN 202011300636 A CN202011300636 A CN 202011300636A CN 114540040 B CN114540040 B CN 114540040B
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- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 18
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010802 sludge Substances 0.000 claims abstract description 18
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 17
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 17
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 17
- 239000010457 zeolite Substances 0.000 claims abstract description 17
- 125000002091 cationic group Chemical group 0.000 claims abstract description 16
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 15
- 241001330002 Bambuseae Species 0.000 claims abstract description 15
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- 239000011425 bamboo Substances 0.000 claims abstract description 15
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims abstract description 15
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims abstract description 15
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- 238000007670 refining Methods 0.000 claims 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2103/00—Civil engineering use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2105/00—Erosion prevention
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Cultivation Of Plants (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The agent for rapidly repairing and desertifying the vegetation in the plateau environment is formed by mixing the following materials: 4-6 parts of hydroxymethyl cellulose, 60-100 parts of organic fertilizer, 20-40 parts of activated sludge, 10-30 parts of charcoal powder, 5-20 parts of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 5-20 parts of stone powder or zeolite powder or montmorillonite powder or kaolin, 20-40 parts of plant fiber, 1-5 parts of wood vinegar or bamboo vinegar, 0.1-0.5 part of cationic polyacrylamide and 0.01-0.05 part of plant polysaccharide. The high-altitude and high-angle slope greening agent can be used for greening the high-altitude and high-angle slope with the height of 4500 meters in the water-deficient plateau environment, and can well promote plant growth, so that the vegetation in the plateau environment with high survival rate in the next year can be quickly repaired and sanded.
Description
Technical Field
The invention relates to a soil matrix modifier for rapid restoration and desertification of plateau environmental vegetation.
Background
Common re-greening technology in the prior art comprises earthing planting, net hanging spray seeding, ecological bag re-greening, step (slope rate) re-greening technology and the like, but the several re-greening modes have certain limitations, the earthing planting mode is difficult to construct at the gradient of more than 45 degrees, the net hanging spray seeding mode has high construction investment cost when the gradient is large, and the rock mass is reinforced by other auxiliary means to be constructed. The ecological bag is high in cost in a re-greening mode, and the investment of later maintenance cost is large. In the high altitude, water-deficient plateau environment, the time suitable for plant growth is short, the germination time is required to be shortened as much as possible in the greening project, and the plant growth is promoted so as to ensure the survival rate of the plant in the next year. The plateau soil of the bare slope is flushed by rainwater, water and soil loss is easy to form desertification, and the project of re-greening is carried out on the slope, so that the influence of air drying on the soil is very large because of no tall plants on the plateau, the soil is easy to dry, the improvement and the improvement of the soil water retention performance are required, and the solidification and improvement of the desertification soil are also required. However, the prior art is difficult to afforest the water-deficient plateau environment, the high altitude of 4500 meters or more and the large-angle sloping field with the angle of 45 degrees or more.
Disclosure of Invention
The invention aims to provide the plateau environment vegetation rapid restoration and desertification soil matrix modifier which can be used for greening the water-deficient plateau environment, high altitude and large-angle sloping fields with the height of 4500 m and the like, can improve the desertification soil structure, improve the soil nutrient content, well promote the plant growth, effectively prevent the soil water and soil loss, and ensure that the plant survival rate in the coming year is high.
The invention relates to a rapid repairing and desertification soil matrix modifier for plateau environmental vegetation, which is formed by mixing the following materials:
4-6 parts of hydroxymethyl cellulose, 60-100 parts of organic fertilizer, 20-40 parts of activated sludge, 10-30 parts of charcoal powder, 5-20 parts of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 5-20 parts of stone powder or zeolite powder or montmorillonite powder or kaolin, 20-40 parts of plant fiber, 1-5 parts of wood vinegar or bamboo vinegar, 0.1-0.5 part of cationic polyacrylamide, 0.01-0.05 part of plant polysaccharide, 5-10 parts of grass seeds and/or bluegrass seeds and/or ryegrass seeds and/or alfalfa seeds and/or sheep Mao Caozi;
The length of the plant fiber is not more than 50mm, and the wood vinegar or bamboo vinegar is cured wood vinegar which is distilled and refined and stored for more than 6 months.
And uniformly stirring and mixing the materials in parts by weight to obtain the rapid repairing and desertification soil matrix modifier for the vegetation in the plateau environment.
And adding proper parts of water into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, stirring and mixing uniformly to form slurry, thus obtaining the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, which is in a slurry state and is suitable for spray seeding of equipment.
Preferably, the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is formed by mixing the following materials:
4.5 to 5.5 parts by weight of hydroxymethyl cellulose, 70 to 90 parts by weight of organic fertilizer, 25 to 35 parts by weight of activated sludge, 15 to 25 parts by weight of charcoal powder, 10 to 15 parts by weight of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 10 to 15 parts by weight of stone powder or zeolite powder or montmorillonite powder or kaolin, 25 to 35 parts by weight of plant fiber, 2 to 4 parts by weight of pyroligneous or bamboo vinegar, 0.2 to 0.4 part by weight of cationic polyacrylamide, 0.02 to 0.04 part by weight of plant polysaccharide, 6 to 9 parts by weight of grass seeds and/or bluegrass seeds and/or ryegrass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
Preferably, the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is formed by mixing the following materials:
4.8-5.2 parts by weight of hydroxymethyl cellulose, 75-85 parts by weight of organic fertilizer, 28-32 parts by weight of activated sludge, 18-22 parts by weight of charcoal powder, 12-13 parts by weight of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 12-13 parts by weight of stone powder or zeolite powder or montmorillonite powder or kaolin, 28-32 parts by weight of plant fiber, 2.5-3.5 parts by weight of wood vinegar or bamboo vinegar, 0.25-0.35 part by weight of cationic polyacrylamide, 0.025-0.035 part by weight of plant polysaccharide, 7-8 parts by weight of grass seeds and/or bluegrass seeds and/or ryegrass grass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
Preferably, the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is formed by mixing the following materials:
5 parts of hydroxymethyl cellulose, 80 parts of organic fertilizer, 30 parts of activated sludge, 20 parts of charcoal powder, 12.5 parts of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 12.5 parts of zeolite powder or montmorillonite powder or kaolin, 30 parts of plant fiber, 3 parts of wood vinegar or bamboo vinegar, 0.3 part of cationic polyacrylamide, 0.03 part of plant polysaccharide, 7.5 parts of grass seeds of gao alkali and/or grass seeds of bluegrass and/or grass seeds of ryegrass and/or alfalfa and/or Mao Caozi parts of sheep.
Preferably, the organic fertilizer or fermented cow dung or fermented sheep dung; the plant fiber comprises fine fiber and coarse fiber, the fine fiber comprises pulp fiber, the coarse fiber comprises fibrilia, plant straw and bark fiber, the length of the fine fiber is 3-5 mm, and the length of the coarse fiber is 20-50 mm.
The organic matter content of the activated sludge is 30-45%, and the ph value is 6.0-7; the particle size of the stone powder or zeolite powder or montmorillonite powder or kaolin is 100-200 meshes; the particle size of the charcoal powder is 200-300 meshes; the molecular weight of the plant polysaccharide is above 6000.
Adding a proper amount of water into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, uniformly stirring, and preparing the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation into particles by using a granulator.
Adding a proper amount of water into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, uniformly stirring, and preparing the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation into porous blocks by using a briquetting machine.
The porous block is in the shape of honeycomb briquette or porous hollow brick.
The matrix improvement slurry can be prepared by stirring and mixing the matrix improvement agent for rapidly repairing and desertifying the plateau environmental vegetation and proper amount of water, is suitable for slurry spray seeding equipment, and has the components and functions.
The invention relates to a soil matrix modifier for rapid restoration and desertification of plateau environment vegetation, which adopts the unique components of the invention, contains a large number of nutrient elements and a plurality of trace elements required by plant growth, has strong water absorption and water retention, and the charcoal powder can improve the ground temperature of soil in the plateau environment and reduce the variation range of day-night temperature difference in the soil. And the microbial organic fertilizer is used as a carrier of microorganisms under the action of the activity of wood vinegar, so that the activity of the microorganisms is improved, and the utilization efficiency of the organic fertilizer is improved; the plant fiber can provide a water vapor channel after the slurry is solidified, so that solidification and hardening of the slurry are avoided, stone powder or zeolite powder or montmorillonite powder or kaolin can infiltrate into sandy soil to supplement soil clay components and play a role of a binder, the sandy soil can be deeply solidified, the connection strength among sandy soil particles is improved, and a soft nutrition layer is formed on the surface layer. In addition, the plant growth regulator can provide necessary conditions for plant root growth while accumulating water, so that the plant growth regulator is firmer and resistant to rain erosion, and the plateau environment vegetation is quickly restored and the sandy soil matrix modifier is coagulated and dried to form a firm protection layer, so that the sandy soil can be solidified, soil loss and soil sandiness can be reduced, and plant polysaccharide in the plant growth regulator can improve seed germination rate, promote growth, resist lodging and the like; the cationic polyacrylamide (scarification essence) can play roles of a binder, reducing soil hardening and the like. Therefore, the plateau environment vegetation rapid restoration and desertification soil matrix modifier provided by the invention has the characteristics of being capable of being used for greening the plateau environment lack of water, high altitude of 4500 meters and large-angle sloping fields with an angle of more than 60 degrees, improving the desertification soil structure, improving the soil nutrition components, well promoting the plant growth, effectively preventing the soil water loss and soil erosion, and leading the survival rate of the plants in the coming year to be high, and has outstanding substantive characteristics and remarkable progress.
The rapid restoration and desertification soil matrix modifier for plateau environmental vegetation of the present invention is further described below with reference to examples.
Detailed Description
The invention relates to a rapid repairing and desertification soil matrix modifier for plateau environmental vegetation, which is formed by mixing the following materials:
4-6 parts of hydroxymethyl cellulose, 60-100 parts of organic fertilizer, 20-40 parts of activated sludge, 10-30 parts of charcoal powder, 5-20 parts of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 5-20 parts of zeolite powder or montmorillonite powder or kaolin, 20-40 parts of plant fiber, 1-5 parts of wood vinegar or bamboo vinegar, 0.1-0.5 part of cationic polyacrylamide, 0.01-0.05 part of plant polysaccharide, 5-10 parts of cape grass seeds and/or bluegrass seeds and/or ryegrass grass seeds and/or alfalfa seeds and/or high sheep Mao Caozi;
The length of the plant fiber is not more than 50mm, and the wood vinegar or bamboo vinegar is cured wood vinegar which is distilled and refined and stored for more than 6 months.
And uniformly stirring and mixing the materials in parts by weight to obtain the rapid repairing and desertification soil matrix modifier for the vegetation in the plateau environment. The dosage of the modifier for quick restoration and desertification of the vegetation in the plateau environment is 5-20 kg/square meter.
And adding proper parts of water into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, and stirring and mixing uniformly to form slurry, thus obtaining the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, which is in a slurry state and is suitable for spraying and seeding equipment.
As a further improvement of the invention, the rapid restoration and desertification soil matrix modifier for the plateau environmental vegetation is formed by mixing the following materials:
4.5 to 5.5 parts by weight of hydroxymethyl cellulose, 70 to 90 parts by weight of organic fertilizer, 25 to 35 parts by weight of activated sludge, 15 to 25 parts by weight of charcoal powder, 10 to 15 parts by weight of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 10 to 15 parts by weight of stone powder or zeolite powder or montmorillonite powder or kaolin, 25 to 35 parts by weight of plant fiber, 2 to 4 parts by weight of pyroligneous or bamboo vinegar, 0.2 to 0.4 part by weight of cationic polyacrylamide, 0.02 to 0.04 part by weight of plant polysaccharide, 6 to 9 parts by weight of grass seeds and/or bluegrass seeds and/or ryegrass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
As a further improvement of the invention, the rapid restoration and desertification soil matrix modifier for the plateau environmental vegetation is formed by mixing the following materials:
4.8-5.2 parts by weight of hydroxymethyl cellulose, 75-85 parts by weight of organic fertilizer, 28-32 parts by weight of activated sludge, 18-22 parts by weight of charcoal powder, 12-13 parts by weight of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 12-13 parts by weight of stone powder or zeolite powder or montmorillonite powder or kaolin, 28-32 parts by weight of plant fiber, 2.5-3.5 parts by weight of wood vinegar or bamboo vinegar, 0.25-0.35 part by weight of cationic polyacrylamide, 0.025-0.035 part by weight of plant polysaccharide, 7-8 parts by weight of grass seeds and/or bluegrass seeds and/or ryegrass grass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
As a further improvement of the invention, the rapid restoration and desertification soil matrix modifier for the plateau environmental vegetation is formed by mixing the following materials:
5 parts of hydroxymethyl cellulose, 80 parts of organic fertilizer, 30 parts of activated sludge, 20 parts of charcoal powder, 12.5 parts of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 12.5 parts of stone powder or zeolite powder or montmorillonite powder or kaolin, 30 parts of plant fiber, 3 parts of wood vinegar or bamboo vinegar, 0.3 part of cationic polyacrylamide, 0.03 part of plant polysaccharide, 7.5 parts of grass seeds of gao grass and/or bluegrass seeds and/or ryegrass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
As a further improvement of the present invention, the organic fertilizer or the fermented cow dung or the fermented sheep dung are described; the plant fiber comprises fine fiber and coarse fiber, the fine fiber comprises pulp fiber, the coarse fiber comprises fibrilia, plant straw and bark fiber, the length of the fine fiber is 3-5mm, and the length of the coarse fiber is 20-50 mm.
As a further improvement of the invention, the organic matter content of the activated sludge is 30-45%, and the ph value is 6.0-7; the particle size of the stone powder or zeolite powder or montmorillonite powder or kaolin is 100-200 meshes; the particle size of the charcoal powder is 200-300 meshes; the molecular weight of the plant polysaccharide is above 6000.
As a further improvement of the invention, a proper amount of water is added into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, and after the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is uniformly stirred, the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is prepared into granules by a granulator.
The rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is prepared into particles, so that the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation can be more conveniently and uniformly sowed into the ground.
As a further improvement of the invention, a proper amount of water is added into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, and after the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is uniformly stirred, the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation is prepared into porous blocks by using a briquetting machine.
As a further improvement of the present invention, the porous block is in the form of honeycomb briquette or porous hollow brick.
The plateau environment vegetation rapid restoration and desertification soil matrix modifier has high water retention performance, and the water retention performance test is as follows:
50g of the soil sample containing the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation with the weight of 20 percent and 50g of the soil sample without the soil modifier are weighed indoors, 100mL of distilled water is respectively added, and stirring is carried out.
The total mass of the glass dish and soil sample was weighed and the glass dish weight was subtracted.
And then two soil samples are naturally dried under the same condition, the weight of the soil samples is monitored every day, after the weight is basically stable, the soil sample water retention performance of the rapid repairing and desertification soil matrix modifier for the plateau environment vegetation, which is 20% by weight compared with that of conventional soil, is 20 times higher than that of the conventional soil, and therefore, the rapid repairing and desertification soil matrix modifier for the plateau environment vegetation has good water retention performance.
Embodiment 1:
the method comprises the steps of uniformly mixing 5 parts by weight of hydroxymethyl cellulose, 80 parts by weight of organic fertilizer, 20 parts by weight of activated sludge, 10 parts by weight of charcoal powder, 5 parts by weight of diatomite, 5 parts by weight of stone powder, 20 parts by weight of plant fiber, 5 parts by weight of wood vinegar, 0.2 part by weight of cationic polyacrylamide, 0.02 part by weight of plant polysaccharide, 5 parts by weight of grass seeds of Alternaria sinensis and 5 parts by weight of grass seeds of Poa pratensis to obtain the rapid repairing and desertification soil matrix modifier for the plateau environment vegetation;
Implementation 2:
8 parts by weight of hydroxymethyl cellulose, 60 parts by weight of organic fertilizer, 40 parts by weight of activated sludge, 20 parts by weight of charcoal powder, 8 parts by weight of bentonite, 8 parts by weight of kaolin powder, 30 parts by weight of plant fiber, 15 parts by weight of wood vinegar, 0.5 part by weight of cationic polyacrylamide, 0.05 part by weight of plant polysaccharide, 10 parts by weight of grass seeds of Alternaria plant and 5 parts by weight of grass seeds of Poa pratensis are uniformly mixed to obtain a plateau environment vegetation quick restoration and desertification soil matrix modifier, and 200 parts by weight of water are added to be uniformly mixed to obtain a slurry state plateau environment vegetation quick restoration and desertification soil matrix modifier;
The inventor performs on-site spray seeding and sowing 5 mu of land on a certain beach in a Qinghai region with an altitude of 3200 m by using the rapid repairing and desertification soil matrix modifier for the plateau environmental vegetation, wherein the grassseeds in the rapid repairing and desertification soil matrix modifier for the plateau environmental vegetation are 5 parts by weight of grass seeds on the alkali grass and 5 parts by weight of grass seeds on the early water, and the dosage of the rapid repairing and desertification soil matrix modifier for the plateau environmental vegetation per square meter is 8 kg, 9 kg, 10kg, 12 kg and 15 kg in sequence. Meanwhile, a control group of 5 mu land is arranged, after the control group adopts land leveling, mixed grass seeds of 10 kg/mu of grass seeds of Saururi herba and parts by weight of grass seeds of Poa pratensis are sown, chemical fertilizer is applied according to 10 kg/mu until the test land is germinated for 7 months and 22 days, the grass grows to more than 5cm for 7 months and 30 days, and the growth condition is good. The germination time of the control area of the grass seeds sowed in the same period is 7 months and 28 days, the germination rate is obviously lower than that of a land block using the rapid restoration and desertification soil matrix modifier for the vegetation in the plateau environment, and the germination time can be shortened by 30% -50% by comprehensively judging by considering the local rainfall and air temperature conditions.
The inventor performs on-site spray seeding and sowing 5 mu of land on a certain beach in a Qinghai region with the altitude of 3300 m by 25 days, wherein grass seeds in the plateau environment vegetation rapid repair and desertification soil matrix modifier are mixed grass seeds of ryegrass seeds, alfalfa seeds and sheep Mao Caozi, and the consumption of the plateau environment vegetation rapid repair and desertification soil matrix modifier per square meter of the mu of land is 5 kg, 7 kg, 9 kg, 10kg and 13 kg in sequence. Meanwhile, a control group of 5 mu land is arranged, after the control group adopts land leveling, 10 kg/mu of ryegrass seeds, alfalfa seeds and the mixed seeds of the Gaoguang Mao Caozi are sowed, and chemical fertilizer is applied according to 10 kg/mu until the test land is germinated for 7 months and 26 days, and the grass grows to more than 5cm for 8 months and 5 days, so that the growth condition is good. The germination time of the control area in which grass seeds are sowed in the same period is 8 months and 1 day, and the germination rate is obviously lower than that of a land block using the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation.
The inventor performs on-site spray seeding and sand soil matrix modifier for rapid restoration of plateau environment vegetation in a hillside area with the slurry state in a certain mountain area with the elevation of 4500 m in 8 months and 29 days in a certain year, 15 mu land is sowed, the grass seeds in the rapid restoration and sand soil matrix modifier for plateau environment vegetation are 10 parts by weight of grass seeds on alkali grass and 5 parts by weight of grass seeds on prairie, the dosage of the rapid restoration and sand soil matrix modifier for plateau environment vegetation per square meter in one mu land is 20 kg, and the dosage of the rapid restoration and sand soil matrix modifier for plateau environment vegetation per square meter in the other mu land is 15 kg. The control group adopts the method that after the land is leveled, grass seeds and grass seeds of bluegrass are sown according to 10 kg/mu, and chemical fertilizer is applied according to 10 kg/mu, the grass seeds are observed to sprout for 9 months and 9 days, and the grass length is 3-5 cm; the experiment solves the problems that the germination rate of the grass seeds sowed in the area above 4000 m in elevation is low and the growth is slow after 8 months and 25 days, and breaks through the convention that the grass seeds sowed in the area above 4000 m in elevation can not be sowed after 8 months and 25 days.
The invention provides a rapid restoration and desertification soil matrix modifier for plateau environment vegetation, which is suitable for high altitude and water-deficient environments. The invention can quickly repair the prepared plateau environment vegetation and the sandy soil matrix modifier can enter the sandy soil through stirring by spraying slurry or spraying dry powder, improve the sandy soil structure, improve the soil nutrient content and promote the plant growth. The agent for quickly repairing and desertifying the vegetation in the plateau environment can form a protective layer on the surface layer of the soil, effectively prevent soil erosion and water loss of the soil and effectively solve the problem of desertification of the soil.
Claims (8)
1. The rapid repairing and desertification soil matrix modifier for the plateau environment vegetation is characterized by being formed by mixing the following components:
4-6 parts of hydroxymethyl cellulose, 60-100 parts of organic fertilizer, 20-40 parts of activated sludge, 10-30 parts of charcoal powder, 5-20 parts of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 5-20 parts of stone powder or zeolite powder or montmorillonite powder or kaolin, 20-40 parts of plant fiber, 1-5 parts of wood vinegar or bamboo vinegar, 0.1-0.5 part of cationic polyacrylamide, 0.01-0.05 part of plant polysaccharide, 5-10 parts of grass seeds and/or bluegrass seeds and/or ryegrass seeds and/or alfalfa seeds and/or sheep Mao Caozi;
the length of the plant fiber is not more than 50mm, and the wood vinegar is cured wood vinegar which is subjected to distillation and refining treatment and stored for more than 6 months;
the organic fertilizer or fermented cow dung or fermented sheep dung; the plant fiber comprises fine fiber and coarse fiber, wherein the fine fiber comprises pulp fiber, the coarse fiber comprises fibrilia, plant straw and bark fiber, the length of the fine fiber is 3-5 mm, and the length of the coarse fiber is 20-50 mm;
and uniformly stirring and mixing the materials in parts by weight to obtain the rapid repairing and desertification soil matrix modifier for the vegetation in the plateau environment.
2. The rapid repair and desertification soil matrix modifier of plateau environmental vegetation according to claim 1, wherein: the agent for rapidly repairing the vegetation in the plateau environment and improving the sandy soil matrix is formed by mixing the following components:
4.5 to 5.5 parts by weight of hydroxymethyl cellulose, 70 to 90 parts by weight of organic fertilizer, 25 to 35 parts by weight of activated sludge, 15 to 25 parts by weight of charcoal powder, 10 to 15 parts by weight of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 10 to 15 parts by weight of stone powder or zeolite powder or montmorillonite powder or kaolin, 25 to 35 parts by weight of plant fiber, 2 to 4 parts by weight of pyroligneous or bamboo vinegar, 0.2 to 0.4 part by weight of cationic polyacrylamide, 0.02 to 0.04 part by weight of plant polysaccharide, 6 to 9 parts by weight of grass seeds and/or bluegrass seeds and/or ryegrass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
3. The rapid repair and desertification soil matrix modifier of plateau environmental vegetation according to claim 2, wherein: the agent for rapidly repairing the vegetation in the plateau environment and improving the sandy soil matrix is formed by mixing the following components:
4.8-5.2 parts by weight of hydroxymethyl cellulose, 75-85 parts by weight of organic fertilizer, 28-32 parts by weight of activated sludge, 18-22 parts by weight of charcoal powder, 12-13 parts by weight of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 12-13 parts by weight of stone powder or zeolite powder or montmorillonite powder or kaolin, 28-32 parts by weight of plant fiber, 2.5-3.5 parts by weight of wood vinegar or bamboo vinegar, 0.25-0.35 part by weight of cationic polyacrylamide, 0.025-0.035 part by weight of plant polysaccharide, 7-8 parts by weight of grass seeds and/or bluegrass seeds and/or ryegrass grass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
4. The rapid repair and desertification soil matrix modifier for plateau environmental vegetation according to claim 3, wherein: the agent for rapidly repairing the vegetation in the plateau environment and improving the sandy soil matrix is formed by mixing the following components:
5 parts of hydroxymethyl cellulose, 80 parts of organic fertilizer, 30 parts of activated sludge, 20 parts of charcoal powder, 12.5 parts of bentonite or diatomite or industrial flour or siliceous stone powder or coal gangue powder or fly ash, 12.5 parts of stone powder or zeolite powder or montmorillonite powder or kaolin, 30 parts of plant fiber, 3 parts of wood vinegar or bamboo vinegar, 0.3 part of cationic polyacrylamide, 0.03 part of plant polysaccharide, 7.5 parts of grass seeds of gao grass and/or bluegrass seeds and/or ryegrass seeds and/or alfalfa seeds and/or sheep Mao Caozi.
5. The rapid repair and desertification soil matrix modifier for high altitude environmental vegetation according to any one of claims 1 to 4, wherein: the organic matter content of the activated sludge is 30-45%, and the ph value is 6.0-7; the particle size of the stone powder or zeolite powder or montmorillonite powder or kaolin is 100-200 meshes; the particle size of the charcoal powder is 200-300 meshes; the molecular weight of the plant polysaccharide is above 6000.
6. The rapid repair and desertification soil matrix modifier of plateau environmental vegetation as claimed in claim 5, wherein: adding a proper amount of water into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, uniformly stirring, and preparing the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation into particles by using a granulator.
7. The rapid repair and desertification soil matrix modifier of plateau environmental vegetation as claimed in claim 5, wherein: adding a proper amount of water into the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation, uniformly stirring, and preparing the rapid restoration and desertification soil matrix modifier for the plateau environment vegetation into porous blocks by using a briquetting machine.
8. The rapid repair and desertification soil matrix modifier of plateau environmental vegetation of claim 7, wherein: the porous block is in the shape of honeycomb briquette or porous hollow brick.
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