CN112931132A - Construction method of foamed concrete plant quilt nutrition surrounding cave - Google Patents
Construction method of foamed concrete plant quilt nutrition surrounding cave Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/04—Transplanting trees; Devices for grasping the root ball, e.g. stump forceps; Wrappings or packages for transporting trees
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- A—HUMAN NECESSITIES
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/23—Wood, e.g. wood chips or sawdust
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
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- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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Abstract
The application discloses a construction method of a foamed concrete vegetation cover nutrition surrounding cave, which comprises the following steps: determining the position and the size of a surrounding cave on the side slope; driving an anchor nail into the rock mass of the side slope at the periphery of the surrounding hole; laying the degradable fiber cushion layer along the anchor nails to form a pocket-shaped configuration; spraying a first nutrient medium into the structure, wherein the spraying thickness is 6-10 cm; transplanting the small seedlings of the sub-trees or the trees into the configuration with soil balls; and spraying a second nutrient medium containing seeds into the configuration, so that the second nutrient medium covers the soil ball. According to the construction method, the rivet, the degradable fiber cushion layer and the first nutrient medium can form a structure for bearing large-scale plants such as sub-trees or tree seedlings, the sub-trees or the tree seedlings can be limited through the second nutrient medium, the first nutrient medium and the second nutrient medium can provide survival conditions for the plants, surrounding holes can be formed on the side slope through the construction method, the large-scale plants can be planted, and necessary growth conditions are created for landscape layering and biological diversity.
Description
Technical Field
The invention relates to the field of ecological restoration, in particular to a construction method of foamed concrete vegetation nutrition surrounding holes.
Background
The slope has serious water and soil loss and is not suitable for vegetation growth, the existing restoration method mainly comprises the step of spraying a matrix layer, and the constructed landscape has single level and poor ecological diversity.
Disclosure of Invention
Aiming at the problems, the invention provides a construction method of a foamed concrete vegetation nutrition surrounding hole.
The technical scheme adopted by the invention is as follows:
a construction method of a foamed concrete vegetation nutrition surrounding cave comprises the following steps:
determining the position and the size of a surrounding cave on the side slope;
driving an anchor nail into the rock mass of the side slope at the periphery of the surrounding hole;
laying the degradable fiber cushion layer along the anchor nails to form a pocket-shaped configuration;
spraying a first nutrient medium into the structure, wherein the spraying thickness is 6-10 cm;
transplanting the small seedlings of the sub-trees or the trees into the configuration with soil balls; and
and spraying a second nutrient medium containing seeds into the configuration, so that the second nutrient medium covers the soil ball.
Can form through rivet, degradable fibrous bed course and first nutrient medium and bear the weight of the structure of large-scale plant such as inferior arbor or arbor plantlet, can restrict inferior arbor or arbor plantlet through the second nutrient medium, first nutrient medium and second nutrient medium homoenergetic provide living conditions for the plant, can form on the side slope through the construction method of this application and enclose the cave, plant middle-scale plant, create necessary fertility condition for view stereovision and biological diversity.
In one embodiment of the invention, the first nutrient medium comprises the following raw materials in parts by mass:
8.5-9.5 parts of bottom mud or tailings of an ore area
7.5-8.5 parts of turfy soil or humic acid organic fertilizer;
3.5-4.5 parts of plant fiber;
0.18-0.22 part of soil microecological improvement liquid;
0.04-0.06 part of slow-release compound fertilizer;
1.8-2.2 parts of low-alkali sulphoaluminate cement;
0.18-0.22 parts of sulfur powder;
0.18-0.22 part of polyvinyl alcohol;
1.8-2.2 parts of active silicon dioxide;
0.009-0.011 part of hydrogen peroxide;
2.5-3 parts of water;
the second nutrient medium further comprises the following raw materials in parts by mass:
9-11 parts of turfy soil or humic acid organic fertilizer;
1.8-2.2 parts of plant fiber;
0.45-0.55 part of soil microecological improvement liquid;
0.18-0.22 part of slow-release compound fertilizer;
2.8-3.2 parts of low-alkali sulphoaluminate cement;
0.08-0.12 part of sulfur powder;
0.25-0.35 parts of polyvinyl alcohol;
2.8-3.2 parts of active silicon dioxide;
0.004-0.006 part of hydrogen peroxide;
60-100 parts of water.
The first nutrient medium has low moisture content and high viscosity, and can be well combined with the degradable fiber cushion layer to form a base layer with higher structural strength, so that the first nutrient medium can bear the subarachnoid or arbor plantlets with soil balls; the first nutrient medium and the second nutrient medium can provide various sufficient nutrients for plants; the low-alkali sulphoaluminate cement is added, so that the compressive strength is higher, the surface erosion resistance is higher, and the low-alkali sulphoaluminate cement can be quickly bonded into a solid; the hydrogen peroxide is added to form a pore structure and a porous channel, so that the water storage rate is high, the water retention time is long, and the plant water-retaining agent is suitable for long-term survival and growth of plants; the pH value of the nutrient medium can be adjusted by adding the sulfur powder, so that the nutrient medium is suitable for plant growth.
In practice, in order to ensure better porosity, it is preferable to add hydrogen peroxide and mix it with stirring before spraying.
The first matrix layer and the second matrix layer of this application both had soil nutritive property, the quick coagulability of cement, porous structure's water retention, in addition when plant root must grow develop to enough powerful and with prick the root gradually and get into the slope, root strength can make the matrix layer broken and morate and manners into the partly of soil inorganic component gradually under the effect of the microorganism of soil microecology improvement liquid, do not have any secondary pollution to the environment.
In one embodiment of the present invention, the plant fiber is one or more of straw, sawdust, bamboo powder, bamboo dust, bagasse, coconut husk, and palm fiber. The plant fiber is waste, so that waste can be changed into valuable, the environment is protected, and the cost is saved.
In one embodiment of the invention, the soil microecological improvement solution comprises bioactive water and water, wherein the bioactive water accounts for 2.5-5% by mass, and the water accounts for 95-97.5% by mass; the bioactive water comprises amino acid, compound microorganism and trace elements, wherein the amino acid is 1.65-2.00 mg/ml, the number of the compound microorganism is 30000000-32000000 cfu, and the trace elements are 750-1000 mg/l.
Amino acid in the bioactive water is small-molecular organic carbon, so that basic nutrition is provided for plants and soil microorganisms, increase of soil organic matters is promoted, growth of plant roots and plants is promoted, mass propagation of microbial flora is promoted, activity is enhanced, and the composite microorganism in the bioactive water can improve soil environment; the microelements of the bioactive water can provide nutrition for plants and soil microorganisms, promote plant growth and microorganism propagation, and provide a foundation for soil improvement.
The nutrient medium of the application provides four main components of organic, inorganic, mineral and microorganism which are basic for plant breeding.
In one embodiment of the present invention, the compound microorganism is a combination of at least two of rhodococcus roseus, actinomycetes, bacillus subtilis, bacillus mucilaginosus, lactic acid bacteria, yeast and photosynthetic bacteria; the trace elements comprise copper elements, iron elements, zinc elements and manganese elements, wherein the copper elements are 150-200 mg/l, the iron elements are 200-300 mg/l, the zinc elements are 300-350 mg/l, and the manganese elements are 10-15 mg/l.
Rhodococcus roseus can degrade environmental pollutants such as organic pesticide, polycyclic aromatic hydrocarbon, aromatic hydrocarbon and the like, and the secreted nitrile hydratase and lipase have excellent bioremediation effect; the actinomycetes can secrete cytokinin to promote the growth of plants, and the growing hyphae can promote the absorption of root water and effectively improve the drought resistance of the plants; active substances such as subtilin, polymyxin, nystatin, gramicidin and the like generated by bacillus subtilis have obvious inhibition effect on various plant pathogenic bacteria; the bacillus mucilaginosus has phosphorus dissolving and nitrogen fixing capacities, and can secrete various extracellular enzymes to improve the stress resistance of plants; the lactobacillus can decompose lignin and cellulose which are not easy to decompose in normal state, ferment and decompose organic matters, and promote plants to absorb and grow; the saccharomycetes can synthesize active substances for promoting cell division and root growth, and promote seed germination and root development; the photosynthetic bacteria can synthesize saccharides, amino acids, nitrogen compounds and bioactive substances, and can be used for fertilizing soil and promoting plant growth.
The ecological environment can be effectively improved by combining at least two fungi. In actual application, in order to ensure a good repairing effect, the compound microorganisms comprise rhodococcus roseus, actinomycetes, bacillus subtilis, bacillus mucilaginosus, lactic acid bacteria, saccharomycetes and photosynthetic bacteria.
In one embodiment of the present invention, the seeds are one or more of tall fescue, ryegrass, alfalfa, magnolia multiflora, acacia, bermudagrass, zoysia japonica, buffalo grass, pratense grass, amorpha fruticosa, chaste tree twigs, rhus chinensis, lespedeza, hippophae rhamnoides, ailanthus altissima, pyracantha fortuneana, cassia jutre, ligustrum quihoui and slash pine.
In practical application, the seeds are preferably grass-shrub mixed seeds.
In one embodiment of the present invention, the longitudinal depth of the surrounding cavity is 0.3-0.5 m, and the transverse radius is 0.2-0.4 m; the angle formed by the anchor and the slope surface of the side slope is 60-90 degrees.
In one embodiment of the invention, the diameter of the anchor bolts is 12-18mm, the length of the anchor bolts is 60cm, the depth of the anchor bolts penetrating into a rock body is 20cm, the anchor bolts are exposed by 40cm, and the anchor bolts are distributed at intervals of 40 cm.
In one embodiment of the present invention, the degradable fibrous mat layer is one or more of straw, coconut palm fiber, bamboo powder and wood fiber.
In one embodiment of the present invention, the thickness of the first nutrient medium is 8 cm.
The invention has the beneficial effects that: can form through rivet, degradable fibrous bed course and first nutrient medium and bear the weight of the structure of large-scale plant such as inferior arbor or arbor plantlet, can restrict inferior arbor or arbor plantlet through the second nutrient medium, first nutrient medium and second nutrient medium homoenergetic provide living conditions for the plant, can form on the side slope through the construction method of this application and enclose the cave, plant middle-scale plant, create necessary fertility condition for view stereovision and biological diversity.
Description of the drawings:
FIG. 1 is a schematic view of a foamed concrete vegetation nutrient containment hole;
fig. 2 is a schematic cross-sectional view of a foamed concrete vegetation nutrition enclosure.
The figures are numbered:
1. side slope; 2. anchoring the bolts; 3. a degradable fibrous blanket; 4. a first nutrient medium; 5. soil balls; 6. a second nutrient medium.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a construction method of a foamed concrete vegetation nutrition surrounding cave comprises the following steps:
determining the position and the size of the enclosing hole on the side slope 1;
the anchor 2 is driven into the rock mass of the side slope at the periphery of the surrounding hole;
laying the degradable fiber cushion layer 3 along the anchoring bolts 2 to form a pocket-shaped configuration;
spraying a first nutrient medium 4 into the structure, wherein the spraying thickness is 6-10 cm;
transplanting the small seedlings of the sub-trees or the trees into the configuration with the soil balls 5; and
and spraying a second nutrient medium 6 containing seeds into the configuration, so that the second nutrient medium 6 covers the soil ball 5.
Can form through rivet, degradable fibrous bed course and first nutrient medium and bear the weight of the structure of large-scale plant such as inferior arbor or arbor plantlet, can restrict inferior arbor or arbor plantlet through the second nutrient medium, first nutrient medium and second nutrient medium homoenergetic provide living conditions for the plant, can form on the side slope through the construction method of this application and enclose the cave, plant middle-scale plant, create necessary fertility condition for view stereovision and biological diversity.
In actual application, the first nutrient medium comprises the following raw materials in parts by mass:
8.5-9.5 parts of bottom mud or tailings of an ore area
7.5-8.5 parts of turfy soil or humic acid organic fertilizer;
3.5-4.5 parts of plant fiber;
0.18-0.22 part of soil microecological improvement liquid;
0.04-0.06 part of slow-release compound fertilizer;
1.8-2.2 parts of low-alkali sulphoaluminate cement;
0.18-0.22 parts of sulfur powder;
0.18-0.22 part of polyvinyl alcohol;
1.8-2.2 parts of active silicon dioxide;
0.009-0.011 part of hydrogen peroxide;
2.5-3 parts of water;
the second nutrient medium further comprises the following raw materials in parts by mass:
9-11 parts of turfy soil or humic acid organic fertilizer;
1.8-2.2 parts of plant fiber;
0.45-0.55 part of soil microecological improvement liquid;
0.18-0.22 part of slow-release compound fertilizer;
2.8-3.2 parts of low-alkali sulphoaluminate cement;
0.08-0.12 part of sulfur powder;
0.25-0.35 parts of polyvinyl alcohol;
2.8-3.2 parts of active silicon dioxide;
0.004-0.006 part of hydrogen peroxide;
60-100 parts of water.
The first nutrient medium has low moisture content and high viscosity, and can be well combined with the degradable fiber cushion layer to form a base layer with higher structural strength, so that the first nutrient medium can bear the subarachnoid or arbor plantlets with soil balls; the first nutrient medium and the second nutrient medium can provide various sufficient nutrients for plants; the low-alkali sulphoaluminate cement is added, so that the compressive strength is higher, the surface erosion resistance is higher, and the low-alkali sulphoaluminate cement can be quickly bonded into a solid; the hydrogen peroxide is added to form a pore structure and a porous channel, so that the water storage rate is high, the water retention time is long, and the plant water-retaining agent is suitable for long-term survival and growth of plants; the pH value of the nutrient medium can be adjusted by adding the sulfur powder, so that the nutrient medium is suitable for plant growth.
In practice, in order to ensure better porosity, it is preferable to add hydrogen peroxide and mix it with stirring before spraying.
The first matrix layer and the second matrix layer of this application both had soil nutritive property, the quick coagulability of cement, porous structure's water retention, in addition when plant root must grow develop to enough powerful and with prick the root gradually and get into the slope, root strength can make the matrix layer broken and morate and manners into the partly of soil inorganic component gradually under the effect of the microorganism of soil microecology improvement liquid, do not have any secondary pollution to the environment.
In actual application, the plant fiber is one or more of straw, sawdust, bamboo powder and bamboo dust, bagasse, coconut husk and palm fiber. The plant fiber is waste, so that waste can be changed into valuable, the environment is protected, and the cost is saved.
When in actual use, the type of the low-alkali sulphoaluminate cement can be 425# or 525 #; the model of the slow-release compound fertilizer can be 19-19-10.
In actual application, the soil microecological improvement liquid comprises bioactive water and water, wherein the mass fraction of the bioactive water is 2.5-5%, and the mass fraction of the water is 95-97.5%; the bioactive water comprises amino acid, compound microorganism and trace elements, wherein the amino acid is 1.65-2.00 mg/ml, the number of the compound microorganism is 30000000-32000000 cfu, and the trace elements are 750-1000 mg/l.
Amino acid in the bioactive water is small-molecular organic carbon, so that basic nutrition is provided for plants and soil microorganisms, increase of soil organic matters is promoted, growth of plant roots and plants is promoted, mass propagation of microbial flora is promoted, activity is enhanced, and the composite microorganism in the bioactive water can improve soil environment; the microelements of the bioactive water can provide nutrition for plants and soil microorganisms, promote plant growth and microorganism propagation, and provide a foundation for soil improvement.
The nutrient medium of the application provides four main components of organic, inorganic, mineral and microorganism which are basic for plant breeding.
In actual application, the compound microorganism is at least two combinations of rhodococcus roseus, actinomycetes, bacillus subtilis, bacillus mucilaginosus, lactic acid bacteria, saccharomycetes and photosynthetic bacteria; the trace elements comprise copper elements, iron elements, zinc elements and manganese elements, wherein the copper elements are 150-200 mg/l, the iron elements are 200-300 mg/l, the zinc elements are 300-350 mg/l, and the manganese elements are 10-15 mg/l.
Rhodococcus roseus can degrade environmental pollutants such as organic pesticide, polycyclic aromatic hydrocarbon, aromatic hydrocarbon and the like, and the secreted nitrile hydratase and lipase have excellent bioremediation effect; the actinomycetes can secrete cytokinin to promote the growth of plants, and the growing hyphae can promote the absorption of root water and effectively improve the drought resistance of the plants; active substances such as subtilin, polymyxin, nystatin, gramicidin and the like generated by bacillus subtilis have obvious inhibition effect on various plant pathogenic bacteria; the bacillus mucilaginosus has phosphorus dissolving and nitrogen fixing capacities, and can secrete various extracellular enzymes to improve the stress resistance of plants; the lactobacillus can decompose lignin and cellulose which are not easy to decompose in normal state, ferment and decompose organic matters, and promote plants to absorb and grow; the saccharomycetes can synthesize active substances for promoting cell division and root growth, and promote seed germination and root development; the photosynthetic bacteria can synthesize saccharides, amino acids, nitrogen compounds and bioactive substances, and can be used for fertilizing soil and promoting plant growth.
The ecological environment can be effectively improved by combining at least two fungi. In actual application, in order to ensure a good repairing effect, the compound microorganisms comprise rhodococcus roseus, actinomycetes, bacillus subtilis, bacillus mucilaginosus, lactic acid bacteria, saccharomycetes and photosynthetic bacteria.
In actual application, the seeds are one or more of tall fescue, ryegrass, alfalfa, magnolia multiflora, acacia, bermudagrass, zoysia japonica, buffalo, prairie bluegrass, amorpha fruticosa, chastetree fruit, rhus chinensis, lespedeza virginiana, lespedeza, hippophae rhamnoides, ailanthus altissima, pyracantha fortunei, cassia jutre, ligustrum quihoui and slash pine. The seeds are preferably grass-shrub mixed seeds.
The first nutrient medium forms a structure, and each square meter of the structure contains 15-25 g of seeds.
In this embodiment, in parts by mass of the first nutrient medium: 9 parts of bottom mud or tailings of the ore region; 8 parts of turfy soil or humic acid organic fertilizer; 4 parts of plant fiber; 0.2 part of soil micro-ecological improvement liquid; 0.05 part of slow-release compound fertilizer; 2 parts of low-alkali sulphoaluminate cement; 0.2 part of sulfur powder; 0.2 part of polyvinyl alcohol; 2 parts of active silicon dioxide; 0.01 part of hydrogen peroxide; and 2.7 parts of water. The formula of the soil microecological repairing agent comprises 45g of bioactive water and 1125g of water, 1.8mg/ml of amino acid, 1000000cfu of the number of compound microorganisms, 15mg/ml of copper element, 20mg/ml of iron element, 30mg/ml of zinc element and 10mg/ml of manganese element. In the second nutrient medium: 10 parts of turfy soil or humic acid organic fertilizer; 2 parts of plant fiber; 0.5 part of soil micro-ecological improvement liquid; 0.2 part of slow-release compound fertilizer; 3 parts of low-alkali sulphoaluminate cement; 0.1 part of sulfur powder; 0.3 part of polyvinyl alcohol; 3 parts of active silicon dioxide; 0.005 part of hydrogen peroxide; 100 parts of water. The formula of the soil microecological repairing agent comprises 45g of bioactive water and 1125g of water, 1.8mg/ml of amino acid, 1000000cfu of the number of compound microorganisms, 15mg/ml of copper element, 20mg/ml of iron element, 30mg/ml of zinc element and 10mg/ml of manganese element.
When the device is actually used, the longitudinal depth of the surrounding cave is 0.3-0.5 m, and the transverse radius is 0.2-0.4 m; the angle formed by the anchor and the slope surface of the side slope is 60-90 degrees.
In actual application, the diameter of the anchor bolts is 12-18mm, the length of the anchor bolts is 60cm, the depth of the anchor bolts penetrating into a rock body is 20cm, the anchor bolts are exposed by 40cm, and the anchor bolts are distributed at intervals of 40 cm.
In actual use, the degradable fiber cushion layer is one or more of straw, coconut palm, bamboo powder and wood fiber.
In this example, the thickness of the first nutrient solution sprayed was 8 cm.
The first nutrient medium of this embodiment forms the structure, and the porosity is 30 ~ 35%, and antiscour index is 8.3 ~ 9.0, and compressive strength is 7.5 ~ 8.2MPa, and 20 degrees centigrade sunshine scattering wind-force 2 grade 10 balance is all to keep water rate 43 ~ 48%, when providing vegetation space and nutrient substance, effectively prevents soil erosion and water loss.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (10)
1. A construction method of a foamed concrete vegetation nutrition surrounding cave is characterized by comprising the following steps:
determining the position and the size of a surrounding cave on the side slope;
driving an anchor nail into the rock mass of the side slope at the periphery of the surrounding hole;
laying the degradable fiber cushion layer along the anchor nails to form a pocket-shaped configuration;
spraying a first nutrient medium into the structure, wherein the spraying thickness is 6-10 cm;
transplanting the small seedlings of the sub-trees or the trees into the configuration with soil balls; and
and spraying a second nutrient medium containing seeds into the configuration, so that the second nutrient medium covers the soil ball.
2. The construction method of the foamed concrete vegetation nutrition surrounding hole as claimed in claim 1, wherein the first nutrient medium comprises the following raw materials by mass:
8.5-9.5 parts of bottom mud or tailings of an ore area
7.5-8.5 parts of turfy soil or humic acid organic fertilizer;
3.5-4.5 parts of plant fiber;
0.18-0.22 part of soil microecological improvement liquid;
0.04-0.06 part of slow-release compound fertilizer;
1.8-2.2 parts of low-alkali sulphoaluminate cement;
0.18-0.22 parts of sulfur powder;
0.18-0.22 part of polyvinyl alcohol;
1.8-2.2 parts of active silicon dioxide;
0.009-0.011 part of hydrogen peroxide;
2.5-3 parts of water;
the second nutrient medium further comprises the following raw materials in parts by mass:
9-11 parts of turfy soil or humic acid organic fertilizer;
1.8-2.2 parts of plant fiber;
0.45-0.55 part of soil microecological improvement liquid;
0.18-0.22 part of slow-release compound fertilizer;
2.8-3.2 parts of low-alkali sulphoaluminate cement;
0.08-0.12 part of sulfur powder;
0.25-0.35 parts of polyvinyl alcohol;
2.8-3.2 parts of active silicon dioxide;
0.004-0.006 part of hydrogen peroxide;
60-100 parts of water.
3. The method for constructing a vegetation nutritional apron as claimed in claim 2, wherein the plant fiber is one or more of straw, sawdust, bamboo powder, bamboo dust, bagasse, coconut husk and palm fiber.
4. The construction method of the foamed concrete vegetation nutritional apron according to claim 2, wherein the soil microecological improvement liquid comprises 2.5 to 5 mass percent of bioactive water and 95 to 97.5 mass percent of water; the bioactive water comprises amino acid, compound microorganism and trace elements, wherein the amino acid is 1.65-2.00 mg/ml, the number of the compound microorganism is 30000000-32000000 cfu, and the trace elements are 750-1000 mg/l.
5. The method of claim 4, wherein the complex microorganism is a combination of at least two of Rhodococcus roseus, Actinomyces, Bacillus subtilis, Bacillus mucilaginosus, lactic acid bacteria, yeasts and photosynthetic bacteria; the trace elements comprise copper elements, iron elements, zinc elements and manganese elements, wherein the copper elements are 150-200 mg/l, the iron elements are 200-300 mg/l, the zinc elements are 300-350 mg/l, and the manganese elements are 10-15 mg/l.
6. The method of claim 1, wherein the seeds are selected from the group consisting of tall fescue, rye grass, alfalfa, magnolia multiflora, acacia, bermuda grass, zoysia japonica, buffalo grass, meadow bluegrass, amorpha fruticosa, chastetree fruit, rhus chinensis, lespedeza, thorns, ailanthus altissima, pyracantha fortunei, cassia jutre, ligustrum quihou, and slash pine.
7. The construction method of the foamed concrete vegetation nutritional enclosure as claimed in claim 1, wherein the longitudinal depth of the enclosure is 0.3 to 0.5m, and the transverse radius is 0.2 to 0.4 m; the angle formed by the anchor and the slope surface of the side slope is 60-90 degrees.
8. The method as claimed in claim 7, wherein the anchor bolts have a diameter of 12-18mm and a length of 60cm, and are drilled into the rock mass to a depth of 20cm and exposed to 40cm, and the anchor bolts are spaced apart by 40 cm.
9. The method of claim 7, wherein the degradable fibrous blanket is one or more of straw, coconut palm, bamboo powder and wood fiber.
10. The method of claim 9, wherein the first nutrient medium is sprayed to a thickness of 8 cm.
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