CN108029269A - Sand control matrix and its method of sowing grass seeds by duster for High aititude aeolian accumulation sand ground - Google Patents
Sand control matrix and its method of sowing grass seeds by duster for High aititude aeolian accumulation sand ground Download PDFInfo
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- CN108029269A CN108029269A CN201711457446.7A CN201711457446A CN108029269A CN 108029269 A CN108029269 A CN 108029269A CN 201711457446 A CN201711457446 A CN 201711457446A CN 108029269 A CN108029269 A CN 108029269A
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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
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Pest Control & Pesticides (AREA)
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- Mechanical Engineering (AREA)
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- Pretreatment Of Seeds And Plants (AREA)
Abstract
The present invention provides the sand control matrix for High aititude aeolian accumulation sand ground and its method of sowing grass seeds by duster, it is related to plant preventing and fixing sand field, the matrix includes fix the sand layer, hypothallus and insulating layer, the layer that fixes the sand is located at bottom, the hypothallus is located at intermediate layer, the insulating layer position is located at top layer, the layer that fixes the sand include volumes below than component：Sandy loam 60% 80%, drift-sand 10% 30%, paper pulp is 5 10%, and stabilizer is 0.5% 2%, the insulating layer include volumes below than component：Sandy loam 15% 35%, wood powder 35% 55%, vinasse 10% 15%, granule agent 0.1% 1%, stabilizer 0.5% 2%, humic acid is 10 30%, and seed is sprayed on insulating layer, the hypothallus include volumes below than component：Sandy loam 20% 45%, wood powder 40% 65%, vinasse 10% 15%, organic compost 1% 3%, granule agent 0.1% 1%, stabilizer 0.5% 1%；Step：Region to be onstructed is arranged, clears up rubbish and debris；Sowed grass seeds by duster successively with hydroseeder layer, hypothallus, the insulating layer of fixing the sand, carry out maintenance management afterwards.The present invention have check winds and fix drifting sand, the beneficial effect that uvioresistant, insulating power are excellent.
Description
Technical field
Present patent application, which is related to, protects sand and fixes the sand field, in particular for High aititude aeolian accumulation sand ground sand control matrix with and its spray
Broadcasting method.
Background technology
China is desertification in the world, the country of desertification area maximum, according to the 4th national desertification and desertification situation
Publication, ended for the end of the year 2009,262.37 ten thousand square metres altogether of China's Desertification Soil area, accounts for the 27.33% of national territorial area.West
Tibetan is located in Qinghai-Tibet Platean, and height above sea level, day and night temperature are big, and ultraviolet is strong, and forest cover lacks serious desertification and water and soil stream
Lose serious, ecological environment is very fragile, ends for the end of the year 2009, Tibetan Desertification and 43.27 ten thousand km2 of sandy land area and
21.62 ten thousand km2, are only second to Xinjiang and the Inner Mongol, and area occupies the 3rd, the whole nation.
The existing sand fixing technology in China is broadly divided into：Engineering is fixed the sand, vegetative sand control, chemical sand-fixing and synthesis fix the sand.Work
Journey is fixed the sand mainly places obstacles on sand dune, can reduce wind speed and change the deflation direction of dust storm, and to play, resistance is husky, fixes the sand
Effect；Vegetative sand control is by planting vegetation in desert area, so as to effectively suppress further to corrode, reaching improves desert
The effect of ecological environment；Chemical sand-fixing is to use chemical method and chemical material, is being easier the desert of the generation shifting of sand dunes
Regional Construction desert bonding course；A variety of sand fixing technologies are exactly used in combination with by comprehensive fix the sand.Vegetative sand control technology is current
Most common technology in control of desert, have the characteristics that persistently, effectively, stablize, but Tibet is located in Qinghai-Tibet Platean, height above sea level,
The big ultraviolet of the temperature difference is strong, precipitation is uneven, and more high wind, and evaporation capacity is far above rainfall, and general plant is difficult to adapt to locality
Weather it is slow-growing, undergrowth, plant growth rate be unable to catch up with desert cover speed, pass through vegetative sand control technology merely
To administer Tibet region desertification and Desertification, there are bigger difficulty.
The content of the invention
The present invention provides the sand control matrix for High aititude aeolian accumulation sand ground and its method of sowing grass seeds by duster, solve in the prior art
Fixing the sand, layer ageing resistance is poor, and uvioresistant is poor, and artificial substratum heat insulation effect is poor, it is difficult to adapts to the severe ring of Tibet arid area
The technical problem in border.
In order to achieve the above object, the present invention adopts the following technical scheme that：Including the layer that fixes the sand, hypothallus and insulating layer three
Layer, the layer that fixes the sand are located at bottom, and the hypothallus is located at intermediate layer, and the insulating layer is located at top layer, and the layer that fixes the sand includes
Volumes below than component：Sandy loam 60%-80%, drift-sand 10%-30%, paper pulp 5-10%, stabilizer 0.5%-
2%；The hypothallus include volumes below than component：Sandy loam 20%-45%, wood powder 40%-65%, vinasse 10%-
15%, organic compost 1%-3%, granule agent 0.1%-1%, stabilizer 0.5%-1%；The insulating layer includes volumes below ratio
Component：Sandy loam 15%-35%, wood powder 35%-55%, vinasse 10%-15%, granule agent 0.1%-1%, stabilizer
0.5%-2%, humic acid 10-30%.
The layer that fixes the sand forms certain structure and intensity, and has some essential characteristics of soil concurrently, can prevent wind-force deflation,
And keeping moisture, conduction, the capillary root of plant can penetrate the layer that fixes the sand up and down in the layer that fixes the sand；The layer that fixes the sand can continue for plant
Moisture and nutrient are provided.It is that the slabbing that prevents from fixing the sand is opened to add a certain proportion of paper pulp, influences sand-fixing effect soil；Wood powder, vinasse
Volume ratio affects heat insulation effect, and the ratio of wood powder is bigger, and the more difficult heat insulation effect of germination of seed is better；Humic acid is black
, there is intussusception heat, play heat insulation function.
It is made of as the layer that fixes the sand each component and following percent by volume：Sandy loam 80%, drift-sand 10%, paper pulp
For 8.2%, stabilizer 1.8%；The hypothallus is made of each component and following percent by volume：Sandy loam 28%, wood powder
55%, vinasse 13%, organic compost 2.5%, granule agent 0.8%, stabilizer 0.7%；The insulating layer is by each component and as follows
Percent by volume forms：Sandy loam 22%, wood powder 40%, vinasse 13%, granule agent 0.7%, stabilizer 1.3%, humic acid are
23%.
As further preferably, the antiscour coefficient for the layer that fixes the sand is more than 1.0L.min/g, porosity 20-40%, adhesive aggregation
Power is more than 57kPa, ageing resistance ＞ 95% after 1 year；The porosity 30-40% of insulating layer, antiscour coefficient are more than
1.4L.min/g, ageing resistance ＞ 95% after 1 year；The total amount of N P and K is more than 45%, in 1 month in the hypothallus
Nutrient release rate≤75%, the matrix layer porosity ＞ 40%, maximum water-holding capacity are more than 100% (mass water content), 1 year
Ageing resistance ＞ 90% afterwards.
The maximum water-holding capacity of hypothallus is more than 100% (mass water content), can farthest absorb natural rainfall, adjusts
The non-uniform phenomenon of highlands precipitation is saved, reduces maintenance cost, simplifies curing procedure.
As further preferably, the sandy loam and the drift-sand particle diameter are less than 2cm.
As further preferably, the paper pulp and the wood powder water absorption are more than more than 5 times of its own weight, conductance
Rate is less than 1000us/cm.
As further preferably, the stabilizer is by waterglass, high molecular synthetic material, polyacrylic acid, gypsum material
In one or several kinds of materials composition.
As further preferably, the vinasse are to take sand control region locality beer vinasse, and sunlight is fully exposed to the sun 2-3 days,
PH value ＞ 6.0.
As further preferably, organic compost by one kind in cow dung, highland barley stalk, rape stalk, wheat stalk or
Several fermentations of person form.
As further preferably, the insulating layer also include seed, the seed is sandliving sophora seed, hides poplar, hides American elm, Tibetan
One or several kinds in seed wormwood artemisia, white grass.
It is as follows for the method for sowing grass seeds by duster of the sand control matrix of High aititude aeolian accumulation sand ground, step：
(1) region to be onstructed is arranged, clears up rubbish and debris；
(2) by all components for the layer that fixes the sand：Sandy loam, drift-sand, paper pulp are stabilizer, add hydroseeder, add moisture
After mixing, sow grass seeds by duster on the region that step (1) obtains the layer that fixes the sand, thickness is 1~2cm；
(3) by all components for the layer that fixes the sand：Sandy loam, wood powder, vinasse, organic compost, granule agent, stabilizer, adds spray
Machine is broadcast, moisture is added after mixing, hypothallus is sprayed on the layer that fixes the sand, thickness is 3~5cm；
(4) by all components of insulating layer：Sandy loam, wood powder, vinasse, granule agent, stabilizer, and seed are added and sowed grass seeds by duster
Machine, adds moisture after mixing, insulating layer of sowing grass seeds by duster on hypothallus, thickness 2cm；
(5) maintenance management；After the completion of insulating layer construction, maintenance management is carried out immediately, every 100 ㎡ is daily during germination
Water consumption be 0.67m3, after the completion of germination, the daily water consumption in every 100 ㎡ regions is 0.5m3, when watering time is 18
After.
Beneficial effects of the present invention：1) matrix main material is produced by locality, is easily obtained, is reduced logistics cost, always
Construction cost is low；Hypothallus maximum water-holding capacity ＞ 100%, 6,7, August part can substantially be not required to artificial maintenance to meet
Plant maintenance demand, maintenance cost is low, and compared with the plant maintenance of the prior art, maintenance cost reduces more than 50%；2) in 4 months
Ten days sows grass seeds by duster, and counts night mean temperature May, insulating layer can make more than 12 DEG C of the nocturnal temperature maintenance of matrix, the identical period, general
Sand nocturnal temperature of divulging information is only 8 DEG C；With directly on drift-sand compared with planting plants, with sand control matrix provided by the invention
With the method for sowing grass seeds by duster, under identical curing condition, the germinating energy for the seed that sand control matrix provided by the invention is sowed grass seeds by duster with the method for sowing grass seeds by duster
20% and 15% is respectively increased with germination percentage, the growing height of plant improves more than 200% then, sand-fixing effect of defending and controlling sand
It is good；3) ageing resistance of matrix is strong, ageing resistance ＞ 95% after 1 year, the solution sand control effect problem that can be put things right once and for all；
4) matrix has outstanding ability to resist splash erosion, anti-intense UV rays ability and anti-ageing ability, service life length；5) in matrix
Most of material is degradable, and environmental pollution is small；6) maximum water-holding capacity of hypothallus of sowing grass seeds by duster is more than that 100% (quality is aqueous
Amount), natural rainfall can be farthest absorbed, adjusts the non-uniform phenomenon of extremely frigid zones precipitation.
Specific embodiment
Embodiment 1
In the method for sowing grass seeds by duster of High aititude aeolian accumulation sand ground, include the following steps：
(1) region to be onstructed is arranged, clears up rubbish and debris；
(2) sow grass seeds by duster the layer that fixes the sand；The layer that fixes the sand is made of each component and following percent by volume：Sandy loam 80%, drift-sand
10%, paper pulp 8.2%, stabilizer 1.8%, sandy loam and drift-sand sieving, particle diameter are less than 2mm；Stabilizer is by water
One or several kinds of materials composition in glass, high molecular synthetic material, polyacrylic acid, gypsum material.By all of the layer that fixes the sand
Component is added in hydroseeder, is mixed with water, the layer that fixes the sand of sowing grass seeds by duster on the regional soil surface to be onstructed put in order, thickness of fixing the sand
Spend for 1~2cm.
(3) sow grass seeds by duster hypothallus；Hypothallus is made of each component and following percent by volume：Sandy loam 28%, wood powder 55%,
Vinasse 13%, organic compost 2.5%, granule agent 0.8%, stabilizer 0.7%, vinasse are local beer vinasse, are filled through sunlight
Divide and be exposed to the sun 2-3 days, pH value ＞ 6.0, organic compost is by a kind of or several in cow dung, highland barley stalk, rape stalk, wheat stalk
Kind fermentation forms.The all components of hypothallus are added in hydroseeder, are mixed with water, in the hypothallus of sowing grass seeds by duster on layer that fixes the sand,
Matrix layer thickness is 3~5cm.
(4) sow grass seeds by duster insulating layer；Insulating layer is made of each component and following percent by volume：Sandy loam 22%, wood powder 40%,
Vinasse 13%, granule agent 0.7%, stabilizer 1.3%, humic acid 23%, seed is mixed into insulating layer, and seed is given birth to for sand
One or several kinds in Chinese scholartree, Tibetan poplar, Tibetan American elm, Tibetan seed wormwood artemisia, white grass, seed addition hydroseeder is included by the component of insulating layer
In, it is mixed with water, insulating layer of sowing grass seeds by duster on hypothallus, the thickness of insulating layer is 2cm.
(5) maintenance management；After the completion of insulating layer construction, maintenance management is carried out immediately, every 100 ㎡ is daily during germination
Water consumption be 0.67m3, after the completion of germination, water consumption daily every 100 ㎡ is 0.5m3；When watering time is afternoon 18
After.
Embodiment 2
In the method for sowing grass seeds by duster of High aititude aeolian accumulation sand ground, include the following steps：
(1) region to be onstructed is arranged, clears up rubbish and debris；
(2) sow grass seeds by duster the layer that fixes the sand；The layer that fixes the sand is made of each component and following percent by volume：Sandy loam 60%, drift-sand
30%, paper pulp 8%, stabilizer 2%, sandy loam and drift-sand sieving, particle diameter are less than 2mm；Stabilizer by waterglass,
One or several kinds of materials composition in high molecular synthetic material, polyacrylic acid, gypsum material.The all components for the layer that fixes the sand are added
Enter in hydroseeder, be mixed with water, the layer that fixes the sand of sowing grass seeds by duster on the regional soil surface to be onstructed put in order, layer thickness of fixing the sand is 1
~2cm.
(3) sow grass seeds by duster hypothallus；Hypothallus is made of each component and following percent by volume：Sandy loam 45%, wood powder 40%,
Vinasse 10.7%, organic compost 3%, granule agent 0.8%, stabilizer 0.5%, vinasse are the beer vinasse of sand control region locality,
Fully it is exposed to the sun 2-3 days through sunlight, pH value ＞ 6.0, organic compost is by one in cow dung, highland barley stalk, rape stalk, wheat stalk
Kind or several fermentations form.The all components of hypothallus are added in hydroseeder, is mixed with water, sows grass seeds by duster fixing the sand on layer
Hypothallus, matrix layer thickness are 3~5cm.
(4) sow grass seeds by duster insulating layer；Insulating layer is made of each component and following percent by volume：Sandy loam 15%, wood powder 55%,
Vinasse 15%, granule agent 1%, stabilizer 2%, humic acid 12%, seed are sandliving sophora seed, hide poplar, hide American elm, hide seed wormwood artemisia, is white
One or several kinds in grass.The component of insulating layer is included seed to add in hydroseeder, is mixed with water, on hypothallus
Sow grass seeds by duster insulating layer, the thickness of insulating layer is 2cm.
(5) maintenance management；After the completion of insulating layer construction, maintenance management is carried out immediately, every 100 ㎡ is daily during germination
Water consumption be 0.67m3, after the completion of germination, water consumption daily every 100 ㎡ is 0.5m3；When watering time is afternoon 18
After.
Embodiment 3
In the method for sowing grass seeds by duster of High aititude aeolian accumulation sand ground, include the following steps：
(1) region to be onstructed is arranged, clears up rubbish and debris；
(2) sow grass seeds by duster the layer that fixes the sand；The layer that fixes the sand is made of each component and following percent by volume：Sandy loam 75%, drift-sand
19.5%, paper pulp 5%, stabilizer 0.5%, sandy loam and drift-sand sieving, particle diameter are less than 2mm；Stabilizer is by water
One or several kinds of materials composition in glass, high molecular synthetic material, polyacrylic acid, gypsum material.By all of the layer that fixes the sand
Component is added in hydroseeder, is mixed with water, the layer that fixes the sand of sowing grass seeds by duster on the regional soil surface to be onstructed put in order, thickness of fixing the sand
Spend for 1~2cm.
(3) sow grass seeds by duster hypothallus；Hypothallus is made of each component and following percent by volume：Sandy loam 20%, wood powder 65%,
Vinasse 10%, organic compost 3%, granule agent 1%, stabilizer 1%, vinasse are local beer vinasse, are fully exposed to the sun through sunlight
2-3 days, pH value ＞ 6.0, organic compost was fermented by the one or several kinds in cow dung, highland barley stalk, rape stalk, wheat stalk
Form.The all components of hypothallus are added in hydroseeder, are mixed with water, in the hypothallus of sowing grass seeds by duster on layer that fixes the sand, hypothallus
Thickness is 3~5cm.
(4) sow grass seeds by duster insulating layer；Insulating layer is made of each component and following percent by volume：Sandy loam 24.4%, wood powder
35%, vinasse 10%, granule agent 0.1%, stabilizer 0.5%, humic acid 30%, seed for sandliving sophora seed, hide poplar, hide American elm,
Hide the one or several kinds in seed wormwood artemisia, white grass.The component of insulating layer is included seed to add in hydroseeder, is mixed with water,
Sow grass seeds by duster on hypothallus insulating layer, the thickness of insulating layer is 2cm.
(5) maintenance management；After the completion of insulating layer construction, maintenance management is carried out immediately, every 100 ㎡ is daily during germination
Water consumption be 0.67m3, after the completion of germination, water consumption daily every 100 ㎡ is 0.5m3；When watering time is afternoon 18
After.
Embodiment 4
In the method for sowing grass seeds by duster of High aititude aeolian accumulation sand ground, include the following steps：
(1) region to be onstructed is arranged, clears up rubbish and debris；
(2) sow grass seeds by duster the layer that fixes the sand；The layer that fixes the sand is made of each component and following percent by volume：Sandy loam 72.8%, drift-sand
15.5%, paper pulp 5%, stabilizer 0.5%, sandy loam and drift-sand sieving, particle diameter are less than 2mm；Stabilizer is by water
One or several kinds of materials composition in glass, high molecular synthetic material, polyacrylic acid, gypsum material.By all of the layer that fixes the sand
Component is added in hydroseeder, is mixed with water, the layer that fixes the sand of sowing grass seeds by duster on the regional soil surface to be onstructed put in order, thickness of fixing the sand
Spend for 1~2cm.
(3) sow grass seeds by duster hypothallus；Hypothallus is made of each component and following percent by volume：Sandy loam 29%, wood powder
54.4%, vinasse 15%, organic compost 1%, granule agent 0.1%, stabilizer 0.5%, vinasse are local beer vinasse, through sun
Light is fully exposed to the sun 2-3 days, pH value ＞ 6.0, and the machine compost is by one kind in cow dung, highland barley stalk, rape stalk, wheat stalk
Or several fermentations form.The all components of hypothallus are added in hydroseeder, are mixed with water, in the base of sowing grass seeds by duster on layer that fixes the sand
Matter layer, matrix layer thickness are 3~5cm.
(4) sow grass seeds by duster insulating layer；Insulating layer is made of each component and following percent by volume：Sandy loam 35%, wood powder
38.1%, vinasse 15%, granule agent 0.5%, stabilizer 1.4%, humic acid 10%, seed is sandliving sophora seed, hide poplar, hide it is white
One or several kinds in elm, Tibetan seed wormwood artemisia, white grass.The component of insulating layer is included seed to add in hydroseeder, adds water mixing equal
Even, insulating layer of sowing grass seeds by duster on hypothallus, the thickness of insulating layer is 2cm.
(5) maintenance management；After the completion of insulating layer construction, maintenance management is carried out immediately, every 100 ㎡ is daily during germination
Water consumption be 0.67m3, after the completion of germination, water consumption daily every 100 ㎡ is 0.5m3；When watering time is afternoon 18
After.
The gained artificial substratum of embodiment 1-4, the antiscour coefficient for the layer that fixes the sand are more than 1.0L.min/g, porosity 20-
40%, cohesive strength is more than 57kPa (GB/T 50123-1999), paper pulp and wood powder water absorption be more than 5 times of its own weight with
On, its electrical conductivity is less than 1000us/cm；The total amount of N P and K is more than 45% in hypothallus, and the nutrient release rate in 1 month≤
75%, hypothallus
Hole ＞ 40%, maximum water-holding capacity are more than 100% (mass water content), ageing resistance ＞ 90% after 1 year；Protect
The porosity of warm layer is more than 1.42L.min/g in 30-40%, antiscour coefficient, and insulating layer nocturnal temperature is carried than the temperature of sand
It is 3-5 DEG C high, ageing resistance ＞ 95% after 1 year.
Temperature adjustment aptitude tests are tested
May 1, selects the aeolian accumulation sand ground of Tibet region, according to the method for sowing grass seeds by duster of embodiment 1-4, to sow grass seeds by duster as sample plot
After insulating layer, respectively as experimental group 1-4, with weather station (RS-QXZ-M-Y) by common drift-sand, that is, sand as a control group
Experimental group 1-4 insulating layers and control group nocturnal temperature during measurement evening 12, the position of measurement connected far from top layer 2cm from May 1
Continuous observation 15 days, statistical experiment group 1-4 insulating layers take the temperature value A of its average value H and control group to be contrasted per degree/day,
Statistics is shown in Table 1.
1 temperature adjustment test experiments of table
On May 1 to May 15,15 days nocturnal temperature average value of control group is 8.6 DEG C, 15 day night of experimental group average temperature
Angle value is 13.01 DEG C, it is seen that the temperature of the insulating layer of embodiment 1-4 is apparently higher than sand ground temperature, compared with control group, embodiment
The temperature-averaging of the insulating layer of 1-4 is 4.41 DEG C high, has good heat-insulating property.
May 1, selects the aeolian accumulation sand ground of Tibet region as sample plot, using the matrix that embodiment 1 is sowed grass seeds by duster as experimental group
H1, A1, progress nursery contrast test, every group of 100 square metres of cultivated area, seed select Tibetan American elm to pure sand as a control group,
The quality of every square metre of seed is 25 grams, carries out relevant nature test.
1. energy-efficient performance is tested
Measured with sensor (RS-QXZ-M-Y) away from the humidity of sand and matrix at the 5cm of top layer, two groups of identical places of selection
Reason mode：Humidity starts to water less than 30%, and humidity stops watering higher than 60%, and the water consumption of 15 days is continuously counted with water meter,
It the results are shown in Table 2.
2 water-saving ability test experiments of table
2. fix the sand capacity experimental
Sow grass seeds by duster after end 3 months, carry out exposed rate statistics to experimental group H1, H1 sows grass seeds by duster the exposed rate ＜ of sand in region
1%, vegetation coverage ＞ 99%, the sand exposed rate ＞ 86%, vegetation coverage ＜ 14% in A1 regions.
The fruit comparative experiments 3. plant comes into force
Fruit of coming into force is planted in order to investigate H1 and A1, the growing height of nursery stock on A1 and H1, knot are planted in after counting 7 months respectively
Fruit is shown in Table 3.
Table 3 plants raw effect experiment result
| Density (plant/acre) | Highly (m) | |
| A1 | 21 | 6.4 |
| H1 | 115 | 16 |
It can be seen that the region of sowing grass seeds by duster of H1 is planted, fruit of coming into force is good, and plant spacing is high, and growth is vigorous, and root system is luxuriant.
4. ageing resistance test experiments
The physical index of the insulating layer of matrix, hypothallus and the layer that fixes the sand is measured before H1 matrix is sowed grass seeds by duster and after 1 year respectively, uses ring
Knife samples, and surveys three layers of antiscour coefficient, porosity, cohesive strength, is respectively averaged in triplicate, the results are shown in Table 4-6.Antiscour
Property mensuration mode：Using scouring amount of soil, water requirement, flushing time are washed away as parameter, using washing away 1 gram of required water of dry ground
With the impact resilience of time assessment soil.Using improved undisturbed soil flush water channel process, sink long 1.4m, wide 0.8m, this experiment
5 ° of the gradient of selection is tested, and water supply flow, design level 2L/min, after waterflow stabilization, by soil are adjusted by constant pressure water tank
Earth sample loads soil sample chamber, flushes soil sample surface and groove face, then discharges water and washes away 10min and gather runoff and sediment process sample,
After beginning is washed away in preceding 4min, 1 flush water flow is measured per 1min and is simultaneously sampled, measurement 1 time per 3min later, is received with bucket
Sampled after whole current that collection experiment produces, fully agitation, dry, weigh.The layer that fixes the sand, hypothallus, the insulating layer physics of H1 refers to
Mark is shown in Table 4, table 5 and table 6.
Table 4H1 fixes the sand a layer physical index
| Type | Before sowing grass seeds by duster | After 1 year |
| Antiscour coefficient (L.min/g) | 1.2 | 1.15 |
| Porosity (%) | 35 | 34 |
| Cohesive strength (kpa) | 60 | 58 |
Table 5H1 hypothallus physical indexs
| Type | Before sowing grass seeds by duster | After 1 year |
| Maximum water-holding capacity (%) | 105 | 95 |
| Porosity (%) | 45 | 41 |
Table 6H1 insulating layer physical indexs
| Type | Before sowing grass seeds by duster | After 1 year |
| Antiscour coefficient (L.min/g) | 1.5 | 1.43 |
| Porosity (%) | 38 | 36.5 |
Before sowing grass seeds by duster, the antiscour coefficient for the layer that fixes the sand is more than 1.2L.min/g, and after 1 year, antiscour coefficient is 1.15L.min/
g；Antiscour coefficient is 1.5L.min/g before insulating layer is sowed grass seeds by duster, and antiscour coefficient is more than 1.42L.min/g after 1 year；Before sowing grass seeds by duster, base
Matter layer maximum water-holding capacity is 105, porosity 45%, after 1 year, hypothallus maximum water-holding capacity 95%, and porosity 41%.It can be seen that
Implementing 1 matrix provided has good scour resistance performance, and porosity is excellent, is adapted to the severe of High aititude aeolian accumulation sand ground
Environment.
5. the determination experiment of germinating energy and germination percentage
Using the matrix that embodiment 1 is sowed grass seeds by duster as experimental group H1, A1, experimental group H1 divide pure sand with control group A 1 as a control group
31 square metre of sample prescription is not made, and every square metre of sprinkling 25g hides American elm seed, and unified curing condition, measures 10 days and hide American elm kind
The germinating energy of son, the germination percentage of 20 days seeds, experimental result are shown in Table 7.
7 germinating energy of table and germination percentage measurement result
| Germinating energy (%) | Germination percentage (%) | |
| A1 | 42 | 56 |
| H1 | 51 | 64.5 |
It can be seen that be sprayed in the matrix of the offer of embodiment 1, potentiality of seed and germination percentage are apparently higher than control group.
Claims (10)
- It is 1. described to fix the sand for the sand control matrix of High aititude aeolian accumulation sand ground, including three layers of layer that fixes the sand, hypothallus and insulating layer matrix Layer be located at bottom, and the hypothallus is located at intermediate layer, and the insulating layer is located at top layer, it is described fix the sand layer including volumes below than Component：Sandy loam 60%-80%, drift-sand 10%-30%, paper pulp 5-10%, stabilizer 0.5%-2%；The matrix Layer include volumes below than component：Sandy loam 20%-45%, wood powder 40%-65%, vinasse 10%-15%, organic compost 1%-3%, granule agent 0.1%-1%, stabilizer 0.5%-1%；The insulating layer include volumes below than component：Sandy loam 15%-35%, wood powder 35%-55%, vinasse 10%-15%, granule agent 0.1%-1%, stabilizer 0.5%-2%, humic acid For 10%-30%.
- 2. the sand control matrix according to claim 1 for High aititude aeolian accumulation sand ground, it is characterised in that it is described fix the sand layer by Each component and following percent by volume composition：Sandy loam 80%, drift-sand 10%, paper pulp 8.2%, stabilizer 1.8%；Institute Hypothallus is stated to be made of each component and following percent by volume：Sandy loam 28%, wood powder 55%, vinasse 13%, organic compost 2.5%, granule agent 0.8%, stabilizer 0.7%；The insulating layer is made of each component and following percent by volume：Sandy loam 22%, wood powder 40%, vinasse 13%, granule agent 0.7%, stabilizer 1.3%, humic acid 23%.
- 3. the sand control matrix according to claim 1 or 2 for High aititude aeolian accumulation sand ground, it is characterised in that described to fix the sand The antiscour coefficient of layer is more than 1.0L.min/g, porosity 20-40%, cohesive strength ＞ 57kPa, ageing resistance ＞ after 1 year 95%；The porosity 30-40% of the insulating layer, antiscour coefficient are more than 1.4L.min/g, ageing resistance ＞ after 1 year 95%；The total amount of N P and K is more than 45% in the hypothallus, nutrient release rate≤75% in 1 month, the hypothallus hole Gap rate ＞ 40%, ageing resistance ＞ 90% after maximum water-holding capacity is more than 100%, 1 year.
- 4. the sand control matrix according to claim 3 for High aititude aeolian accumulation sand ground, it is characterised in that the sandy loam and The drift-sand particle diameter is less than 2cm.
- 5. the sand control matrix according to claim 4 for High aititude aeolian accumulation sand ground, it is characterised in that the paper pulp and institute More than 5 times that wood powder water absorption is more than its own weight are stated, electrical conductivity ＜ 1000us/cm.
- 6. the sand control matrix according to claim 1 for High aititude aeolian accumulation sand ground, it is characterised in that the stabilizer by One or several kinds of materials composition in waterglass, high molecular synthetic material, polyacrylic acid, gypsum material.
- 7. the sand control matrix according to claim 6 for High aititude aeolian accumulation sand ground, it is characterised in that the vinasse are to take The beer vinasse of sand control region locality, sunlight are fully exposed to the sun 2-3 days, pH value ＞ 6.0.
- 8. the sand control matrix according to claim 7 for High aititude aeolian accumulation sand ground, it is characterised in that the organic compost Formed by one or several kinds of fermentations in cow dung, highland barley stalk, rape stalk, wheat stalk.
- 9. the sand control matrix according to claim 8 for High aititude aeolian accumulation sand ground, it is characterised in that the insulating layer bag Seed is included, the seed is sandliving sophora seed, hides poplar, hides American elm, hiding seed wormwood artemisia, the one or several kinds in white grass.
- 10. it is used for the method for sowing grass seeds by duster of the sand control matrix of High aititude aeolian accumulation sand ground as claimed in claim 1, it is characterised in that bag Include following steps：(1) region to be onstructed is arranged, clears up rubbish and debris；(2) by all components for the layer that fixes the sand：Sandy loam, drift-sand, paper pulp are stabilizer, and spray is added according to certain volume ratio Machine is broadcast, adds moisture after mixing, on the region that step (1) obtains, the layer that fixes the sand of sowing grass seeds by duster, the layer thickness of fixing the sand is 1- 2cm；(3) by all components of hypothallus：Sandy loam, wood powder, vinasse, organic compost, granule agent, stabilizer, according to certain Volume ratio adds hydroseeder, adds moisture after mixing, hypothallus is sprayed on the layer that fixes the sand, the thickness of the hypothallus is 3-5cm；(4) by all components of insulating layer：Sandy loam, wood powder, vinasse, granule agent, stabilizer, adds according to certain volume ratio Hydroseeder, adds moisture after mixing, in substrate layer, insulating layer of sowing grass seeds by duster, the thickness of the insulating layer is 2cm；(5) maintenance management；After the completion of insulating layer construction, maintenance management is carried out immediately, use daily every 100 ㎡ during germination Water is 0.67m3, after the completion of germination, the daily water consumption in every 100 ㎡ regions is 0.5m3, after watering time is 18 points.
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