CN104770257B - Method for recovering vegetation through micropore thin films - Google Patents

Method for recovering vegetation through micropore thin films Download PDF

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CN104770257B
CN104770257B CN201510228659.7A CN201510228659A CN104770257B CN 104770257 B CN104770257 B CN 104770257B CN 201510228659 A CN201510228659 A CN 201510228659A CN 104770257 B CN104770257 B CN 104770257B
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parts
compartment
microporous membrane
water
plant
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CN104770257A (en
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孙海龙
李绍才
李付斌
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Sichuan University
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Sichuan University
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Abstract

The invention provides a method for recovering vegetation through micropore thin films. The method comprises the operation steps that (1) a field is cleaned; (2) the corresponding micropore thin film is laid; (3) earthwork standard rooms are laid and fixed; (4) a nutrition matrix is poured; (5) plant seeds are sowed; (6) the corresponding micropore thin film is laid; (7) fixation is carried out; (8) watering, management and maintenance are carried out. The construction technology is simple, the later stage management and maintenance are convenient, continuous and effective nutrients can be provided for the growth of plants, soil moisture evaporation can be effectively restrained, the soil air permeability can be improved, the germination rate of the plant seeds can be increased, and finally the purposes of effective greening, soil improving and ecological environment improving are achieved. The method can be widely applied to recovery of vegetation of barren mountains, engineering abandon places, cities and the like.

Description

A kind of method that utilization microporous membrane carries out revegetation
Technical field
The present invention relates to a kind of method for recovering vegetation, more particularly to a kind of utilization microporous membrane carries out the side of revegetation Method.
Background technology
With industrial development and the quickening of process of modernization, local economy achieves encouraging success, while also bringing Some ecological environment problems.City is constantly expanded to surrounding area, cuts the earth, opens a way, taking stone etc. and cause substantial amounts of exposed mountain Body, and China has more than the mountain region of 50% area, hills, loess plateau and there are a large amount of bare slopes, corrodes quite tight Weight.These exposed hills are severe due to land occupation condition, and revegetation is difficult very big, and survival rate, storage rate be not high, and vegetation growth delays Slowly, stability is poor, and quality is low, causes destroyed vegetation landscape, ecosystem degradation and deterioration, geological disaster hidden danger to increase, sternly The productive life of exposed hill and nearby residents is have impact on again, constrains Regional Economic Sustainable Development, therefore, exposed hill Revegetation seems very urgent.At present, traditional restoration methods mainly have linked network, sow grass seeds by duster and framework protection etc., but these All there are some defects in technology:Net hanging method is technical strong, comprising civil engineering, sowing engineering, three technology bodies of maintenance project System, operational procedure is loaded down with trivial details and requires that strictly recovery effects are often because construction reason is had a greatly reduced quality;Spray seeding technique cost is high, protective Can be unstable, landscape effect is poor, and retain water and nutrients performance is poor, not drought-enduring, and easy-weathering is cracked, the big expense of late maintaining workload It is high;Framework protection makes skeleton sash using concrete, stone masonry etc., needs to expend substantial amounts of building stones, is unfavorable for slope drainage, Freeze thawing, frost heaving failure are also easy to produce, and from great, increase domatic load, cause structural instability.
The content of the invention
It is an object of the invention to overcome disadvantages mentioned above, there is provided a kind of to realize temperature control water conservation using microporous membrane, promote to plant The effects such as son is sprouted, improves landscape sight, and the method for recovering vegetation that construction cost is relatively low, late maintaining operation is easy.
Method for recovering vegetation of the present invention, its operating procedure includes:
1)Site clearing is carried out, cleaning content includes earth's surface rubbish incidental, bulk gravel, and carries out appropriate smooth process;
2)Microporous membrane 1 is laid in step 1 surface(1), the thickness of the microporous membrane 1 is 0.10 ~ 0.15mm, and seep water speed In more than 1mm/min;
3)In step 2)Surface pavement geotechnical grid(2), the geotechnical grid is welded for HDPE sheet materials, solder joint distance 200 ~ 240mm, the high 30 ~ 60mm of compartment, single hole compartment area 0.05m2;Compartment component is fully opened, in node location holdfast (3)Fixed, holdfast length is 40cm;Surrounding is fixed with U-shaped holdfast by spacing 70cm, and spacing is pressed in centre with F types holdfast 1.2m fixations triangular in shape;
4)In step 3)The uniform spreading nutrient matrix in surface(4), filling compartment space, 6 ~ 8cm of filling thickness;The nutrition Matrix formulations are:Turf:800 ~ 1100 parts, Vermiculitum:800 ~ 1100 parts, purple mud rock:300 ~ 600 parts, Testa Tritici:20 ~ 30 parts, protect Water preparation:80 ~ 110 parts, disinfectant:0.5 ~ 0.8 part, compound fertilizer:13 ~ 16 parts, root-inducing powder:1 ~ 3 part;
5)In step 4)Surface is sowed by landscape need, and in different compartment regions similar and different plant speciess are broadcasted sowing Son, each compartment application rate is 3 ~ 8 seeds, plant seed include the one kind in arbor, shrub, herbaceous plant or it is any two, Three kinds;
6)In step 5)Lay microporous membrane 2 in surface(5), the thickness of the microporous membrane 2 is 0.08 ~ 0.10mm, and infiltration is fast More than rate 1.2mm/min, perforate, percent opening 30% ~ 40%, the m of pore size 5 ~ 7 are uniformly distributed thereon;Corresponding with compartment Position, is distributed with seed germinal aperature on thin film, germinal aperature is cross otch in length and breadth, along compartment diagonal square crossing point Cloth;
7)In step 6)Surface bamboo nail or wooden peg(6)It is fixed in thin film surrounding and centre by spacing 1m;
8)Water seasoning:Using high-pressure atomization mode to step 7)Surface is watered, and waters a small amount of repeatedly until saturation first; Moisturizing is carried out in Their Seed Germinating Period and trophophase.
Microporous membrane of the invention used compared with traditional films, it is advantageous that can the opening and closing of Intelligent adjustment micropore, micropore hole Hydroscopic high-molecular resin micropore switch is inlaid with road, micropore switch imbibition when meeting water, micropore is opened, and moisture penetrates into;It is dry In the case of drought, micropore switch dehydration shrinkage, micropore is in closure state, reduces soil water evaporation.
The method that the present invention carries out revegetation using microporous membrane has the advantages that:One is step 2)It is described micro- Hole mulch film 1 can ensure that used as aquifer, under conditions of rainwater or irrigation abundance, thin film water-retention reaches thin film as moisture buffering After saturation, unnecessary moisture is by micropore permeation on film to soil horizon;In the case of prolonged drought insufficient water, thin film water-retention can be Hypothalluses provide moisture;Two is step 3)On the one hand the geotechnical grid can play the work of lateral geo-grid reinforcement to nutrient matrix With, strengthen substrate bearing capacity, prevent substrate and plant seed to be lost in precipitation, on the other hand can play fixed root system of plant Effect, realize plant stability planting;Three is step 4)The nutrient matrix layer is containing abundant nutrient substance and active material, layer Face is loose, beneficial to seed quick-speed germination and takes root;Four is by step 5)Mode is sowed, it is ensured that plant build up after it is reasonable Density, it is to avoid nutrient supply is not enough, while plant seed consumption can be reduced, it is cost-effective, can also improve administration ground landscape and view and admire Property, meet Plant Diversity requirement;Five is step 6)The microporous membrane 2 can not only prevent rainwater washing away and splash to substrate Erosion, reduces stromal surface runoff and erosion, strengthens the stability of substrate, and thin film can effectively suppress soil evaporation, reduce water Divide management program, water saving effect can be played;Perforate on film increases the gas permeability of soil, and the design of seed germinal aperature ensures that seed is sprouted Shi Shunli is emerged, and improves seed germination rate;Colorful film can strengthen sight, it is to avoid Their Seed Germinating Period dull coloring.
Preferably, step 2)In, the geotechnical grid is welded for HDPE sheet materials, and solder joint is apart from 230mm, and compartment is high 50mm, single hole compartment area 0.05m2
When geotechnical grid is above-mentioned specification, preferable revegetation effect can be obtained.
Preferably, step 4)Described in nutrient matrix formula be:Turf:1000 parts, Vermiculitum:1000 parts, purple mud rock: 500 parts, Testa Tritici:25 parts, water-retaining agent:100 parts, disinfectant:0.7 part, compound fertilizer:15 parts, 2 parts of root-inducing powder.
When nutrient matrix formula is above-mentioned formula, preferable revegetation effect can be obtained.
The water-retaining agent is hydroscopic high-molecular resin, and the disinfectant is spectrum soil fungicides, and the compound fertilizer is always supported Point(N +P2O5+ K2O)Content is not less than 30%, and the root-inducing powder is water solublity broad-spectrum plant growth regulator.
As shown in the embodiment of the invention, compared with conventional method for recovering vegetation, the method can significantly improve the germination of vegetation Rate, survival rate and vegetation cover degree.
It is worthy of note that, why the present invention can realize outstanding technique effect, and reason is the invention Method and step is provided with, conventional treatment is carried out to wherein certain step, belong to protection scope of the present invention.Such as it is directed to Nutrient medium Some of matter composition, is substituted using the composition with said function, is the spirit without departing substantially from the present invention, still belongs to the present invention Protection domain.
Revegetation is carried out using the inventive method, working procedure is simple, later stage pipe supports simplicity, seed germination rate is high, plants Fast, cover degree height is formed, while cost rationally, is adapted to be used on exposed hill, engineering slope and other places.
Description of the drawings
Schematic cross-section after the completion of the construction of Fig. 1 the inventive method;Wherein, 1-microporous membrane 1,2-geotechnical grid, 3- Holdfast, 4-nutrient matrix, 5-microporous membrane 2,6-bamboo nail or wooden peg.
Fig. 2 the inventive method seed germinal aperature perforate modes.
Specific embodiment
Embodiment 1:
Operating procedure is as follows:
1)Site clearing is carried out, cleaning content includes earth's surface rubbish incidental, bulk gravel etc., and carries out appropriate smooth;
2)Microporous membrane 1 is laid in step 1 surface;
3)In step 2)Surface pavement geotechnical grid, the geotechnical grid is welded for HDPE sheet materials, solder joint distance 210mm, the high 50mm of compartment, single hole compartment area 0.05m2;Compartment component is fully opened, is fixed with holdfast in node location, anchor Nail length is 40cm;Surrounding is fixed with U-shaped holdfast by spacing 70cm, and centre is triangular in shape by spacing 1.2m with F types holdfast It is fixed;
4)In step 3)The uniform spreading nutrient matrix in surface, filling compartment space, 6 ~ 8cm of filling thickness.The Nutrient medium Matter formula is:Turf:1000 parts, Vermiculitum:800 parts, purple mud rock:500 parts, Testa Tritici:25 parts, water-retaining agent:80 parts, disinfectant: 0.7 part, compound fertilizer:15 parts, root-inducing powder:2 parts;Wherein, turf, Vermiculitum, purple mud rock, Testa Tritici are common used material, and water-retaining agent is Conventional hydroscopic high-molecular resin, disinfectant is spectrum soil fungicides, compound fertilizer's total nutrient(N +P2O5+ K2O)Content 40%, it is raw Root powder is water solublity broad-spectrum plant growth regulator;
5)In step 4)Surface is sowed by the general layout of three row draft, a line shrub, and herbaceous plant seeds select pale reddish brown Herba Medicaginiss, Festuca Arundinacea, Trifolium repense, application rate is 5 ~ 8 seeds of each compartment, and shrub plant is Radix Sophorae Viciifoliae, littleleaf peashrub, is sowed Measure as 3 ~ 4 seeds of each compartment;
6)In step 5)Microporous membrane 2 is laid on surface, is uniformly distributed perforate on the microporous membrane 2, and percent opening 30% ~ 40%, the m of pore size 5 ~ 7;In the position corresponding with compartment, seed germinal aperature is distributed with thin film, germinal aperature is cross In length and breadth otch, is distributed along the square crossing of compartment diagonal.To strengthen Their Seed Germinating Period place appreciative value and environmental harmony Property, the color of microporous membrane 2 is chosen to be green;
7)In step 6)Surface bamboo nail is fixed by spacing 1m in thin film surrounding and centre;
8)Water seasoning:Using high-pressure atomization mode to step 7)Surface is watered, and waters a small amount of repeatedly until saturation first; Appropriate moisturizing is carried out as the case may be in Their Seed Germinating Period and trophophase.
Implementation result:
The present invention is applied to the revegetation along the line of Sichuan Dujiang weir high speed, and the engineering time is in June, 2013, to adopt Traditional films, directly carry out site clearing, lay condition of equivalent thickness nutrient matrix, broadcast sowing plant seed for control:1)In construction 20 After it, statistics germination percentage shows:Up to more than 90%, control vegetation seed germination percentage is 75% to vegetation seed germination percentage of the present invention; In April, 2014, Jing after surviving the winter, get over summer checking, statistics plant survival rate, vegetation cover degree and landscape quality show plant:The present invention Vegetation survival rate is 85%, and vegetation cover degree is 93%, and Distribution of plant community ratio is suitable, and spatial level is clearly demarcated, and sight is strong;Control Vegetation survival rate is only 65%, and vegetation cover degree is 58%, and Distribution of plant community is uneven, and spatial level is mixed and disorderly, and landscape effect is general; 2)In June, 2014, nutrient matrix of the present invention is taken respectively with nutrient matrix is compareed carries out water content detection, as a result shows:Base of the present invention Matter average moisture content is 38.6%, and control water content is then 23.2%, illustrates that the inventive method can effectively suppress moisture evaporation, is met Plant growing water demand.
Embodiment 2:
Operating procedure is as follows:
1)Site clearing is carried out, cleaning content includes earth's surface rubbish incidental, bulk gravel etc., and carries out appropriate smooth;
2)Microporous membrane 1 is laid in step 1 surface;
3)In step 2)Surface pavement geotechnical grid, the geotechnical grid is welded for HDPE sheet materials, solder joint distance 230mm, the high 60mm of compartment, single hole compartment area 0.05m2;Compartment component is fully opened, is fixed with holdfast in node location, anchor Nail length is 40cm;Surrounding is fixed with U-shaped holdfast by spacing 70cm, and centre is triangular in shape by spacing 1.2m with F types holdfast It is fixed;
4)In step 3)The uniform spreading nutrient matrix in surface, filling compartment space, 6 ~ 8cm of filling thickness.The Nutrient medium Matter formula is:Turf:1100 parts, Vermiculitum:1100 parts, purple mud rock:600 parts, Testa Tritici:25 parts, water-retaining agent:110 parts, sterilization Agent:0.8 part, compound fertilizer:16 parts, root-inducing powder:3 parts.Wherein, turf, Vermiculitum, purple mud rock, Testa Tritici be common used material, water-retaining agent To commonly use hydroscopic high-molecular resin, disinfectant is spectrum soil fungicides, compound fertilizer's total nutrient(N +P2O5+ K2O)Content 35%, Root-inducing powder is water solublity broad-spectrum plant growth regulator;
5)In step 4)Surface is sowed by the layout of outside draft, middle shrub, and herbaceous plant selects paspalum notatum, purple Flower Herba Violae, application rate is 5 ~ 8 seeds of each compartment;Shrub plant selects Rhododendron sutchuenense, and application rate is 3 ~ 4 kinds of each compartment Son;
6)In step 5)Microporous membrane 2 is laid on surface, is uniformly distributed perforate on the microporous membrane 2, and percent opening 30% ~ 40%, the m of pore size 5 ~ 7;In the position corresponding with compartment, seed germinal aperature is distributed with thin film, germinal aperature is cross In length and breadth otch, is distributed along the square crossing of compartment diagonal.To strengthen Their Seed Germinating Period place appreciative value and environmental harmony Property, the color of microporous membrane 2 is chosen to be green;
7)In step 6)Surface bamboo nail is fixed by spacing 1m in thin film surrounding and centre;
8)Water seasoning:Using high-pressure atomization mode to step 7)Surface is watered, and waters a small amount of repeatedly until saturation first; Moisturizing is carried out in Their Seed Germinating Period and trophophase.
Implementation result:
The present invention is applied to certain street greening band revegetation, and the engineering time is in March, 2013, to adopt traditional films, Site clearing is directly carried out, condition of equivalent thickness nutrient matrix is laid, is broadcasted sowing plant seed for control:1)After construction 15 days, statistics Germination percentage shows:Vegetation seed germination percentage of the present invention is 89%, and control vegetation seed germination percentage is 73%;After construction 1 year, plant Jing after surviving the winter, get over summer checking, statistics plant survival rate, vegetation cover degree show:Vegetation survival rate of the present invention is 84%, vegetation cover degree For 92%;Control vegetation survival rate is 76%, and vegetation cover degree is 84%.2)Construction 1 year after, take respectively nutrient matrix of the present invention with Control nutrient matrix carries out water content detection, as a result shows:Substrate average moisture content of the present invention is 34.7%, and control water content is then 18.6%, illustrate that the inventive method can effectively suppress moisture evaporation, meet plant growing water demand.
Embodiment 3:
Operating procedure is as follows:
1)Site clearing is carried out, cleaning content includes earth's surface rubbish incidental, bulk gravel etc., and carries out appropriate smooth;
2)Microporous membrane 1 is laid in step 1 surface.
3)In step 2)Surface pavement geotechnical grid, the geotechnical grid is welded for HDPE sheet materials, solder joint distance 200mm, the high 30mm of compartment, single hole compartment area 0.05m2;Compartment component is fully opened, is fixed with holdfast in node location, anchor Nail length is 40cm;Surrounding is fixed with U-shaped holdfast by spacing 70cm, and centre is triangular in shape by spacing 1.2m with F types holdfast It is fixed;
4)In step 3)The uniform spreading nutrient matrix in surface, filling compartment space, 6 ~ 8cm of filling thickness.The Nutrient medium Matter formula is:Turf:800 parts, Vermiculitum:800 parts, purple mud rock:300 parts, Testa Tritici:20 parts, water-retaining agent:100 parts, disinfectant: 0.5 part, compound fertilizer:13 parts, root-inducing powder:1 part.Wherein, turf, Vermiculitum, purple mud rock, Testa Tritici are common used material, and water-retaining agent is Conventional hydroscopic high-molecular resin, disinfectant is spectrum soil fungicides, compound fertilizer's total nutrient(N +P2O5+ K2O)Content 40%, it is raw Root powder is water solublity broad-spectrum plant growth regulator;
5)In step 4)Surface is sowed by the layout of outside draft, middle shrub, and herbaceous plant selects paspalum notatum, purple Flower Herba Violae, application rate is 5 ~ 8 seeds of each compartment;Shrub plant selects Rhododendron sutchuenense, and application rate is 3 ~ 4 kinds of each compartment Son;
6)In step 5)Microporous membrane 2 is laid on surface, is uniformly distributed perforate on the microporous membrane 2, and percent opening 30% ~ 40%, the m of pore size 5 ~ 7;In the position corresponding with compartment, seed germinal aperature is distributed with thin film, germinal aperature is cross In length and breadth otch, is distributed along the square crossing of compartment diagonal.To strengthen Their Seed Germinating Period place appreciative value and environmental harmony Property, the color of microporous membrane 2 is chosen to be green;
7)In step 6)Surface bamboo nail is fixed by spacing 1m in thin film surrounding and centre;
8)Water seasoning:Using high-pressure atomization mode to step 7)Surface is watered, and waters a small amount of repeatedly until saturation first; Moisturizing is carried out in Their Seed Germinating Period and trophophase.

Claims (4)

1. a kind of method that utilization microporous membrane carries out revegetation, it is characterised in that comprise the following steps:
1) site clearing is carried out, cleaning content includes earth's surface rubbish incidental, bulk gravel, and carries out appropriate smooth process;
2) in step 1) field the earth's surface laying microporous membrane 1 (1), the thickness of the microporous membrane 1 is 0.10~0.15mm, is seeped water Speed is in more than 1mm/min;
3) in step 2) the Surface pavement geotechnical grid (2) of microporous membrane 1, the geotechnical grid is welded for HDPE sheet materials, Solder joint 200~240mm of distance, the high 30~60mm of compartment, single hole compartment area 0.05m2;Compartment component is fully opened, in node Position is fixed with holdfast (3), and holdfast length is 40cm;Surrounding is fixed with U-shaped holdfast by spacing 70cm, centre F type anchors Nail presses the fixation triangular in shape of spacing 1.2m;
4) in step 3) the uniform spreading nutrient matrix (4) in surface of geotechnical grid, filling compartment space, 6~8cm of filling thickness; The nutrient matrix formula is:Turf:800~1100 parts, Vermiculitum:800~1100 parts, purple mud rock:300~600 parts, wheat Bran:20~30 parts, water-retaining agent:80~110 parts, disinfectant:0.5~0.8 part, compound fertilizer:13~16 parts, root-inducing powder:1~3 part;
5) in step 4) surface of nutrient matrix sowed by landscape need, and in different compartment regions similar and different plant is broadcasted sowing Species, each compartment application rate is 3~8 seeds, and plant seed includes the one kind in arbor, shrub, herbaceous plant or appoints Meaning two, three kind;
6) in step 5) the surface laying microporous membrane 2 (5) of nutrient matrix after planting is carried out, the thickness of the microporous membrane 2 is 0.08~0.10mm, more than infiltration speed 1.2mm/min, is uniformly distributed thereon perforate, percent opening 30%~40%, pore size 5~7 μm;In the position corresponding with compartment, seed germinal aperature is distributed with thin film, germinal aperature is cross otch in length and breadth, edge The square crossing of compartment diagonal is distributed;
7) in step 6) the surface bamboo nail of microporous membrane 2 or wooden peg (6) be fixed by spacing 1m in thin film surrounding and centre;
8) water seasoning:Using high-pressure atomization mode to step 7) process after the surface of microporous membrane 2 water, water few first Amount is repeatedly until saturation;Moisturizing is carried out in Their Seed Germinating Period and trophophase.
2. method according to claim 1, it is characterised in that step 3) in, the geotechnical grid is the welding of HDPE sheet materials Form, solder joint apart from 230mm, the high 50mm of compartment, single hole compartment area 0.05m2
3. method according to claim 1, it is characterised in that step 4) described in nutrient matrix formula be:Turf:1000 Part, Vermiculitum:1000 parts, purple mud rock:500 parts, Testa Tritici:25 parts, water-retaining agent:100 parts, disinfectant:0.7 part, compound fertilizer:15 Part, 2 parts of root-inducing powder.
4. method according to claim 3, it is characterised in that the water-retaining agent is hydroscopic high-molecular resin, the sterilization Agent is wide spectrum soil fungicides, compound fertilizer's total nutrient N+P2O5+K2O content is not less than 30%, and the root-inducing powder is water solublity Broad-spectrum plant growth regulator.
CN201510228659.7A 2015-05-07 2015-05-07 Method for recovering vegetation through micropore thin films Active CN104770257B (en)

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CN107197666B (en) * 2017-05-25 2020-02-07 济南大学 Long-acting re-greening method for bare quarry
CN107691027A (en) * 2017-09-12 2018-02-16 四川沃尔宜环保科技有限公司 Defend and control sand water saving temperature control method
CN107761696A (en) * 2017-09-12 2018-03-06 四川沃尔宜环保科技有限公司 Stockyard airborne dust ecology covering volume application process
CN109371986A (en) * 2018-10-16 2019-02-22 北京星河园林景观工程有限公司 A kind of ecological bank protecting method conducive to slope plant growth
CN110012814A (en) * 2019-04-03 2019-07-16 四川大学 A kind of construction carrying out slope vegetation restoration for high altitude localities
CN110012812A (en) * 2019-04-03 2019-07-16 四川大学 It is a kind of for carrying out the construction of slope vegetation restoration
CN110012813A (en) * 2019-04-03 2019-07-16 四川大学 A kind of matrix granule and preparation method thereof for vegetation repair
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