CN109247216A - A kind of ecological compound type plants raw sand-protecting barrier and distribution method - Google Patents
A kind of ecological compound type plants raw sand-protecting barrier and distribution method Download PDFInfo
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- 239000004576 sand Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000011159 matrix material Substances 0.000 claims abstract description 23
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Classifications
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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
- A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
- A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
- A01G24/46—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form multi-layered
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of ecological compound types to plant raw sand-protecting barrier and distribution method, which plants raw three layers of sand-protecting barrier structure point: lower layer is the mixed-matrix layer of peat soil, organic fertilizer, adhesive etc.；Middle layer is high and cold high quality forage seed layer；Upper layer is the degradable water storage nonwoven layer of mixed fine manufacture, which is made of superabsorbent fiber, cotton and viscose glue etc., and wherein superabsorbent fiber has high water absorption and water retention property；The three-layer composite structure of above-mentioned sand-protecting barrier can be shaped into polygonized structure body by pressed sizing net；The raw sand-protecting barrier of the compound plant is applied in desertification environment, there is excellent wind-proof to fix the sand weather-proof effect, combine and promote the effect of region range restoration；And environmental protection, service life is longer, production cost is low and can produce in batches, practical easy to operate, is also easy to be received by local herdsman.
Description
Technical field
The invention belongs to severely cold and oxygen deficient restoration harness fields, and in particular to a kind of severely cold and oxygen deficient drift sand quickly has
The ecological compound type that effect is administered plants raw sand-protecting barrier.
Background technique
China's desertification ground area is vast, type is complicated.Currently, China's desertification prevention technique measure substantially has three classes: a kind of
It is biological control measure, but is limited by water resource shortage, Type of dune, regional environment condition also limits the abundant hair of regulation effect
It waves, such as afforestation and desertification control, due to arid, often afforestation grows into forest less.Second is that mechanical measure, but generally with wind prevention and sand resistance, Shamian Island
It fixes as the main purpose, and is limited by the property of material itself, treatment cost is higher, and palliative.Third is that fencing is extensive
Multiple, i.e., by delimiting fencing protection zone, preventing or reducing moving obstacle, but this mode is mainly for the sand of desertification lesser extent
Change soil.In addition, many kinds of measures can be usually combined to collocation in usual improvement activity, effect is preferably administered to reach
Fruit.
It is North-West Sichuan, the high and cold humid region in Gannan that the present invention, which researches and develops region, and the region landform is alternate with high mountain, grassland, river valley
Distribution, multiplicity with a varied topography, height above sea level belong to plateau continental climate between 3000-4800m.Region whole year without the obvious four seasons it
Point, without absolute day without frost, only changes in temperature are not, windy, rainy snow, and 8 grades of 100.5 natural span of life of snowfall days year or more Windy Days are tired
Meter reaches 77-121 days (from meteorological data after 1999), average annual Sand-dust storm days 3.4 days, average annual wind speed 2.2m/s, maximum wind velocity
20.0m/s, most wind direction NE, rainy season concentrate on the 6-8 month, and annual precipitation is between 550-900mm, average annual relative humidity 62%,
Cold season is cold and very long (about 210 days), and warm season is warm and of short duration, and sunshine is sufficient, and radiation is strong, and growing season of grass is short, average day
According to 5-7 hours, fast growing period was concentrated on 6,7,8 three months, and September starts withered and yellow.
The region was once mountain ring water around grassland is vast, is once enjoying " the plateau water tower " of the Yellow River and " is herding in Asia first
" good reputation, it is the upper reaches of the Yellow River important water resources feeding area and eco-functional regionalization.According to investigations, the 40-50 age in 20th century, here
Grassland is not desertified, and is the low graceful scene for seeing cattle and sheep of a piece of wind grass；It is the 60-70 age, fast with area's grassland agriculture
The growth of speed development and population, grassland resources start to make original Grassland ecosystems by serious by excessive development and utilization
Destruction, cause that grassland degeneration desertification, Marsh Wetland are reduced, bio-diversity is scattered and disappeared, Productivity sharply declines, conserves water
Source and the miopragia to conserve water and soil, all kinds of ecological problems are very prominent；80-90 age, desertification area start to increase severely, sand dune by
It is semifixed, partly desertify and desertify in flakes, entirely and moving dunes are developed to concentrating with patch shape, it is multiple from generaI investigation in 1994 by 2004
It looks between 10 years, desertification area average speed of growth 3.87%, is 10 times of Gansu Province's desertification average speed of growth.In recent years, originally
The rapid extension of region Sandy Grassland produces great influence to what local animal husbandry developed, has seriously threatened the life of local herdsman
The utilization of dis environment and Lower Reaches water resource, the construction of ecological environment and economic construction etc..
The most topsoil in one's respective area is thin, surface soil underlies, and sand bed is deep, after destruction of surface, is easily formed under the action of the wind husky
Change ground and sand dune；And the case where sand dune, is more special, and for higher than 5 meters of sand dune, according to soil seed bank, soil seed pool measurement result,
Top, windward slope, both wings surface layer 15cm are interior almost without seed, though there is a small amount of seed in leeward slope base portion surface layer 15cm, because of sand
The every annual in mound is moved forward with 4-8 meters of speed, and chitting piece seedling is buried quickly, and here it is the size sand dunes seen within the border
Surface is without any vegetation reason for it.Domestic steppe vegetation belongs to river Eastern Tibet plateau shrub meadow area, and pasture type is with sub- high
Based on the Meadow Pasture of mountain, grass family and Cyperaceae are constructive species and sociales.Due to domestic climatic characteristic, vegetation period in addition
Short, Self-regulation ability is small and weak, and extremely difficult recovery is once destroyed on self-recovery poor ability, grassland.And it is long by the spontaneous recovery period,
Manually restore, to pay great cost.
In face of one's respective area grassland desertification problem, country, place have put into a large amount of manpower and material resources, have successively introduced arid sand dune
Wheat straw grid sand-protecting barrier, the mating artificial after-culture after-culture technology for recovering vegetation of nylon grid sand-protecting barrier of area's mature application have carried out greatly
Measure experimental study.By nearly 10 years facts have proved: (1) wheat straw sand-protecting barrier being averaged in severely cold and oxygen deficients such as North-West Sichuan, Gannans
Most 2 years of the service life (because area's rainfall is big, soil moisture content height accelerates it to rot), and can only cannot be improved locally fixing the sand
Grassland productivity, so being difficult to promote in the area.(2) although nylon grid sand-protecting barrier long service life, because of its non-degradable, meeting
Environmental pollution is caused, to cannot get the support of local herdsman.(3) Maqu, Gannan county Sandy Grassland administer in most intractable be exactly
The improvement on the tall and big sand dune of mobility, uses always for many years: high mountain is transplanted at straw or trees deadwood grid sand-protecting barrier+grid center
Willow.The result of second and third year is nearly all after improvement: tall and big sand dune leeward slope is accidental to be buried and only leaked out by sand, drift sand
High Pentaclethra macrophylla taper, the sand-protecting barrier of the position is without a trace；Windward slope and the sand-protecting barrier at top remained it is very few, the high Pentaclethra macrophylla of plant because
The leakage of dust storm sapping root system is even uprooped, and is survived very few；The only individual high Pentaclethra macrophylla survivals of sand dune both wings, sand-protecting barrier is because rotting only
Leave some traces.(4) the Grassland desertification region gentle on low land, alluvial flat and short and small sand dune etc., frequently with control measures
Are as follows: artificial broadcast's seed, rake mill and Closed fencing, but often because of the wind erosion and deposition of desertified ground surface, drift sand is continuous, and Shamian Island is protected in addition
Outlet capacity is insufficient, and scatters seeds nearly all within sand ground surface layer to 2 ㎝ or swept away or buried by pressure by wind, few
Settle down the seed of germination.
To sum up, how preferably to desertify and administer to one's respective area, be a problem to be solved.
Urgent need wants one kind that can and have excellent wind-proof to fix the sand weather-proof effect, combines and region range restoration is promoted to make
With；Environmental protection, service life is longer, production cost is low and can produce in batches, it is practical it is easy to operate, be easy received by local herdsman
A kind of Sandy Grassland quickly and effectively administer the novel ecological sand-protecting barrier of recovery.
Summary of the invention
In view of the above problems, the present invention provides a kind of raw sand-protecting barrier of ecological compound type plant, there is excellent wind-proof to fix the sand weather-proof
Effect combines and promotes the effect of region range restoration；And environmental protection, service life is longer, production cost is low and can batch
Production, it is practical easy to operate, it is also easy to be received by local herdsman.
In a first aspect, the present invention, which provides a kind of ecological compound type, plants raw sand-protecting barrier, successively include: from top to bottom nonwoven layer,
Seed layer and mixed-matrix layer；
The mixed-matrix layer is made of the mixing of peat soil, organic fertilizer and adhesive；It is laid with above the mixed-matrix layer
Seed layer, the seed layer are equipped with vegetable seeds；
The nonwoven layer is laid with above the seed layer, the nonwoven layer is by superabsorbent fiber, cotton and viscose glue structure
At degradation water storage nonwoven layer；
The mixed-matrix layer, seed layer and nonwoven layer are shaped into polygonized structure body by pressed sizing net.
Further, the soil weight of the mixed-matrix layer is 0.80-0.90g/cm3。
Further, the superabsorbent fiber is the fiber that water absorption reaches 30-200g/g.
Further, the polygonized structure body is regular triangular prism, square prism or cylindrical body.
Further, the polygonized structure body with a thickness of 0.15-0.25m, area of section is 0.09-0.12 ㎡, matter
Amount is 15-20kg.
Further, mixed-matrix layer bottom surface is in convex row concavity.
It further, further include the timber for being inserted into sand ground；The polygonized structure body is equipped at least one centre bore, institute
It states centre bore and is sequentially communicated mixed-matrix layer, seed layer and nonwoven layer；
The timber passes through the centre bore and is inserted into sand ground, and the polygonized structure body is fixed on sand ground.
Second aspect, the present invention also provides the distribution methods that a kind of ecological compound type plants raw sand-protecting barrier, comprising:
Step 1: the ecological compound type as provided by any of the above-described embodiment is planted into raw sand-protecting barrier in " row " or " product " font
It puts or part inlay is on Shamian Island；
Step 2: it after the ecological compound type plants raw sand-protecting barrier setting, is planted in multiple ecological compound types naked between raw sand-protecting barrier
Grass-seed is broadcasted sowing on the sand ground of dew, waits rainfall after rake mill suppression processing.
Further, the step 1 further include:
Sand dune strong for mobility, tall and big selects the ecological compound type for being equipped with centre bore to plant compared with escarpment desertification ground
The ecological compound type is planted raw sand-protecting barrier using timber insertion centre bore and fixed on the ground by raw sand-protecting barrier.
A kind of ecological compound type provided in an embodiment of the present invention plants raw sand-protecting barrier, three layers of structure point: lower layer is peat soil, organic
The mixed-matrix layer of fertilizer, adhesive etc., middle layer are high and cold high quality forage seed layer, upper layer be the mixed fine degradable water storage manufactured without
Woven fabric layer；Three-layer composite structure is shaped into polygonized structure body by pressed sizing net；The ecological compound type, which plants raw sand-protecting barrier, to be had
Excellent wind-proof fixes the sand weather-proof effect, combines and promotes the effect of region range restoration；And environmental protection, service life are longer, raw
It produces at low cost and can produce in batches, it is practical easy to operate, it is also easy to be received by local herdsman.
Other features and advantages of the present invention will be illustrated in the following description, also, partial becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structure chart that a kind of ecological compound type provided in an embodiment of the present invention plants raw sand-protecting barrier；
Fig. 2 is the schematic diagram of polygonized structure body provided in an embodiment of the present invention；
Fig. 3 is the fixed schematic diagram of leeward slope timber in sand dune provided in an embodiment of the present invention；
1-nonwoven layer, 2-seed layers, 3-mixed-matrix layers, 4-mixed-matrix layer bottom surface, 5-centre bores, 6-wood
Stake, 7-sand dunes, M-nonwoven layer thickness, N-mixed-matrix thickness degree.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment 1:
Shown in referring to Fig.1, ecological compound type provided by the invention plants raw sand-protecting barrier, three layers of structure point: lower layer is peat soil, has
The mixed-matrix layer 3 of machine fertilizer, adhesive etc., mixed-matrix thickness degree N are 0.13-0.24m, and middle layer is high and cold high quality forage kind
Sublayer 2, upper layer is the degradable water storage nonwoven layer 1 of mixed fine manufacture, wherein mixed fiber material can be by superabsorbent fiber, cotton and viscose glue
Composition, mixing fibre water storage nonwoven thickness M is 2mm.Three-layer composite structure is shaped into high (thickness) degree by pressed sizing net
Regular triangular prism, square prism, the cylinder of 15cm, referring to shown in Fig. 2；Cross-sectional area is 0.09 ㎡, soil weight 0.80g/
cm3, overall weight is 15kg or so；Its mixed-matrix layer bottom surface 4 is in convex row concavity, can be the continuous convex-concave of regularity,
It can be the continuous convex-concave of non-regularity；For example it is fixed on sand ground with increasing roughness conducive to the sand-protecting barrier in washboard planar.Using
The centre bore 5 that a diameter is 3cm is reserved in the raw sand-protecting barrier center of the plant of tall and big 7 leeward slope of sand dune of mobility, selects length 40cm's
Timber 6 passes through centre bore 5 and is inserted into sand ground with fixation.
The use environment for giving birth to sand-protecting barrier can be specifically planted according to ecological compound type, the desertification degree of sand ground is poor, for example can incite somebody to action
It is positive the three of 20cm that the three-layer composite structure that above-mentioned ecological compound type plants raw sand-protecting barrier, which is shaped into high (thickness) degree by pressed sizing net,
Prism, square prism or cylindrical body, referring to shown in Fig. 2；Cross-sectional area is 0.10 ㎡, soil weight 0.85g/cm3, weight is
18kg。
When endangering more serious region in severe desertification or drift sand, for example above-mentioned ecological compound type can be planted to the three of raw sand-protecting barrier
Layer composite construction is shaped into regular triangular prism, square prism or the cylindrical body that high (thickness) degree is 25cm, reference by pressed sizing net
Shown in Fig. 2；Cross-sectional area is 0.12 ㎡, soil weight 0.90g/cm3, weight 20kg.
Superabsorbent fiber, market have a mass selling, such as the production and sales of Nantong institute of Jiang Chao textile technology Co., Ltd
Superabsorbent fiber, be it is a kind of can quickly absorb water, store, discharging moisture and nutrient " miniature reservoir ", pass through inside and outside osmotic pressure
The elastic force of affinity and macromolecule network between difference, water and polyelectrolyte, makes it have high water absorption and water-retaining property
Energy.It is environmentally friendly, nontoxic, pollution-free, degradable.Swelling is hydrogel (g., jelly-like) after water suction, and water is not easy to squeeze out after compression；Fiber is dry
It can be repeated several times water suction after dry, absorb moisture overwhelming majority slow release.Superabsorbent fiber can be made each with other fiber blends
Kind absorbent article.The fiber rate of liquid aspiration is 8-10 times of high water absorption powder (SAP), and liquid absorption amount can be fine in 30-200G liquid/G
Arbitrarily regulate and control in dimension range.
Embodiment 2:
According to grassland desertification type degree, ecological compound type can be adjusted flexibly and plant raw sand-protecting barrier set-up mode, when actual setting
It can directly put or part inlay is in Shamian Island, generally be put in " row " or " product " word.Sand dune strong for mobility, tall and big
7 plant raw sand-protecting barrier, the ecological compound type that center can be selected as needed with holes compared with the ecological compound type that escarpment desertification ground is arranged
Raw sand-protecting barrier is planted, timber 6 centre bore 5 can be inserted into and fixed, referring to shown in Fig. 3, to reinforce the stability of sand-protecting barrier.Ecological compound type is planted
After raw sand-protecting barrier setting, a certain amount of grass-seed is generally also broadcasted sowing on exposed sand, waits rainfall after rake mill suppression processing.Rainfall
Sand-protecting barrier upper epidermis water storage non-woven fabrics water swelling first afterwards, according to data statistic analysis, water storage non-woven fabrics can be thick by original 2mm
Degree increases to 0.5-2cm, and the moisture that storage is absorbed in sand-protecting barrier can ensure that seed can sprout the needs of emergence in sand-protecting barrier；Meanwhile
Or seed offer a part sprouting of sand-protecting barrier periphery sand loss soil needs water.The region normal precipitation researched and developed of the present invention can be with
In the case where guarantee, it will formed by ecological compound type plant raw sand-protecting barrier centered on spread around, present by band-like (or patch
Shape) slowly extend the revegetation region for being linked to be sheet.
Ecological compound type provided by the invention plants the advantage of raw sand-protecting barrier:
1, better than mechanical sand barriers such as wheat straw, fiber and nylon grids: the biological straws such as wheat straw sand-protecting barrier is in the flat of Arid Desert Area
Equal about 5 years service life (disappeared and lost in terms of sand-protecting barrier function by weathering), in being averaged for the severely cold and oxygen deficients such as North-West Sichuan, Gannan
2 years service life (because the Regional Rainfall amount is big, soil moisture height accelerates it to rot)；And sand-protecting barrier of the invention is based on mixed fine non-woven fabrics
Material is wanted, therefore its service life can meet Sandy Grassland and reach nature reparation required time generally at 3 years or more, it is compound
Sexual function much advantages are in degradable fiber mesh sand-protecting barrier and nondegradable nylon grid sand-protecting barrier.
2, be better than artificial afforestration measure: traditionally artificial afforestration period of checking winds and fixing drifting sand is long, at high cost, and is suitable for high and cold
The tree species in area are considerably less, even if local tree species (such as high Pentaclethra macrophylla) afforestation is selected to fix the sand, facts have proved it is nearly all failure for many years, especially
Without exception with the afforestation on the tall and big sand dune of mobility, due to sand dune surface layer, by strong wind, each is degraded, and transplants high Pentaclethra macrophylla two
Root system leaks outside or is directly swept away after year, and third is only the withered strain of the high Pentaclethra macrophylla in surplus part, and this measure only afforested is difficult reduction certainly
Right Alpine Grasslands landscape.
And after ecological compound type plants raw sand-protecting barrier late May (i.e. before rainy season) laying, it sprouts within 7-12 days and is unearthed, emerge after 20 days
Terminate, the high and cold thick grass layer growing height of 60 days sand-protecting barrier surface layer new lives is averaged in 20cm or more, highest reachable 35cm, and cover degree is flat
95% or more；Meanwhile after ecological compound type plants raw sand-protecting barrier and forms new grass layer, bigger sand-protecting barrier function can be played, is cut
Checking speed, retardance stream, can not only be such that the vegetable seeds migrated with stream settles down on sand-protecting barrier periphery and sprout, but also outside sand-protecting barrier
The sprouting for enclosing exposed sand seed is obviously influenced by the edge effect that the ecological compound type plants raw sand-protecting barrier, first its periphery with
The forms such as patch shape, band-like form new grass layer sand-protecting barrier, and then extend around, and the drift sand on entire sand dune surface layer obtains substantially at this time
To fixation.It generally plants raw sand-protecting barrier using ecological compound type to administer and be aided with fencing management measure, new sod horizon can be complete after 3 years
Shamian Island is covered, Sandy Grassland is thoroughly governed recovery.
3, the Sandy Grassland recovery technology managed and protected better than local herdsman's seed broadcasting, rake mill, fencing.The present invention why can
Enough quickly and effectively administer restores Sandy Grassland, in that its: (1) performance of water-absorbing-retaining guarantees that seed pre-buried in sand-protecting barrier is fast
Speed sprouts emergence；(2) sufficient nutrient ensure that the fast-growth of seedling in matrix；(3) firm block structure is in Shamian Island
Rational deployment changes the original environment of Shamian Island, not only radix saposhnikoviae and stablize drift sand, additionally aid improve sand-protecting barrier Soil Surrounding seed
Sprouting environmental condition；(4) sand-protecting barrier surface new life herbage quickly grows, in a short monthly average growing height up to 10cm
More than, two monthly average growing heights are up to 25cm or more, exactly because having, ecological compound type plants raw sand-protecting barrier and its surface layer is new
Raw herbage is more stable and reliable and the stronger living sand barrier protection of prevention and control capability, not only block receiving with the wind the external seed of drift and at
The seed itself fallen after ripe, and these seeds sprout growth under new environment is protected, by one or two Growing season
Afterwards, the constantly newborn herbage root system in the improvement region mutually bonds infiltration, and the agglomeration turf of formation is by complete canopy, fundamentally
Sandy Grassland has been repaired in improvement.
Therefore, ecological compound type, which plants raw sand-protecting barrier itself, not only has the function of that sand-protecting barrier is checked winds and fixed drifting sand, but also presets in sand-protecting barrier
Vegetable seeds and adequate nutrients, and the enough moisture of storage can be absorbed, so that having sand-protecting barrier concurrently improves local microenvironment and rapidly promotes
The effect of plant recovery is able to solve key issues of drift sand land occupation condition moisture lacks, plant settles down hardly possible, while also having concurrently and setting
Set conveniently, it is easy to operate, produce the advantages that at low cost in batches, can satisfy severely cold and oxygen deficient administer with repair require.
The present invention also provides the practice test experiments for planting raw sand-protecting barrier:
Ecological compound type provided by the invention plant raw sand-protecting barrier and " Meng Cao drought resisting group company " research and development, maturation has been applied to
A kind of urban landscaping, technical domestic advanced product --- " environmentally friendly plant-growth carpet " has made various comparative studies,
Wherein experimental study is laid in the tall and big sand dune of mobility, and the grass seeds of selection and the amount of broadcasting are all the same, and comparative study result is as follows:
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of ecological compound type plants raw sand-protecting barrier, which is characterized in that from top to bottom successively include: nonwoven layer (1), seed layer
(2) and mixed-matrix layer (3)；
The mixed-matrix layer (3) is made of the mixing of peat soil, organic fertilizer and adhesive；Paving above the mixed-matrix layer (3)
If seed layer (2), the seed layer (2) is equipped with vegetable seeds；
The nonwoven layer (1) is laid with above the seed layer (2), the nonwoven layer (1) is by superabsorbent fiber, cotton and to glue
The degradation water storage nonwoven layer that glue is constituted；
The mixed-matrix layer (3), seed layer (2) and nonwoven layer (1) are shaped into polygonized structure body by pressed sizing net.
2. ecological compound type as described in claim 1 plants raw sand-protecting barrier, which is characterized in that the soil of the mixed-matrix layer (3)
Bulk density is 0.80-0.90g/cm3。
3. ecological compound type as described in claim 1 plants raw sand-protecting barrier, which is characterized in that the superabsorbent fiber reaches for water absorption
To the fiber of 30-200g/g.
4. ecological compound type as described in claim 1 plants raw sand-protecting barrier, which is characterized in that the polygonized structure body is positive trigone
Column, square prism or cylindrical body.
5. ecological compound type as described in claim 1 plants raw sand-protecting barrier, which is characterized in that the polygonized structure body with a thickness of
0.15-0.25m, area of section are 0.09-0.12 ㎡, quality 15-20kg.
6. ecological compound type as described in claim 1 plants raw sand-protecting barrier, which is characterized in that mixed-matrix layer bottom surface (4) is in
Convex row concavity.
7. ecological compound type as claimed in any one of claims 1 to 6 plants raw sand-protecting barrier, which is characterized in that further include insertion sand ground
Timber (6)；The polygonized structure body is equipped at least one centre bore (5), and the centre bore (5) is sequentially communicated mixed-matrix
Layer (3), seed layer (2) and nonwoven layer (1)；
The timber (6) passes through the centre bore (5) and is inserted into sand ground, and the polygonized structure body is fixed on sand ground.
8. the distribution method that a kind of ecological compound type plants raw sand-protecting barrier characterized by comprising
Step 1: raw sand-protecting barriers will be planted such as the described in any item ecological compound types of claim 1-7 in capable or Chinese character pin-shaped put or portion
Divide and is embedded on Shamian Island；
Step 2: it after the ecological compound type plants raw sand-protecting barrier setting, is planted in multiple ecological compound types exposed between raw sand-protecting barrier
Grass-seed is broadcasted sowing on sand ground, waits rainfall after rake mill suppression processing.
9. the distribution method that ecological compound type as claimed in claim 8 plants raw sand-protecting barrier, which is characterized in that the step 1 is also wrapped
It includes:
Sand dune strong for mobility, tall and big selects the ecological compound type for being equipped with centre bore to plant raw husky compared with escarpment desertification ground
The ecological compound type is planted raw sand-protecting barrier using timber insertion centre bore and fixed on the ground by barrier.
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