CN102498875B - Method for constructing shrub and grass plant communities on rocky slope and application thereof - Google Patents
Method for constructing shrub and grass plant communities on rocky slope and application thereof Download PDFInfo
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Abstract
The invention discloses a method for constructing shrub and grass plant communities on a rocky slope, which organically integrates the soil replacement technology, the surface covering technology, the planting technology, the transplanting technology and the like. The method is characterized in that firstly, an external soil layer is constructed on the surface of the rocky slope by means of net suspending and soil spraying and used as a soil foundation for plant growth, transplanting holes are reserved in the external soil layer and prepared for transplanting of shrub seedlings; secondly, plant blankets (or plant strips) are laid on the surface of the external soil layer, seeds of herbaceous plants, fertilizer for the herbaceous plants and the like are inlaid in the plant blankets (or plant strips), and accordingly, sprouting and growth of the herbaceous plants are guaranteed while coverage of the herbaceous plants is controlled, and soil water evaporation can be reduced and slope soil loss can be prevented; and thirdly, the cultured shrub seedlings are planted in the transplanting holes, competition and livability of the transplanted shrub seedlings can be improved, and the shrubs are ensured to be dominant species in the slope plant communities. By the method, slope vegetation coverage can be quickly recovered, and livability and stability of artificial plant communities on the rocky slope are improved.
Description
Technical field
The present invention relates to rocky slope filling, careless plant community construction method and application thereof, particularly a kind of method and application thereof that is applicable to make up on Northern Part of China rock matter slope filling, careless plant community.
Background technology
In the infrastructure construction engineerings such as water conservancy, highway, railway, mine, dwelling house, often can produce a large amount of exposed rocky slopes.The basic characteristics of these rocky slopes are: the gradient is steep, the surface is hard, without soil, without vegetation, waterproof, water not, and land occupation condition is very abominable.The appearance of rocky slope not only can increase the weight of water and soil loss, destroys natural landscape, also can cause adverse effect to region environment.The most area of northern China (northeast, North China, northwest) belongs to semiarid, subhumid climate, and annual precipitation is between 250-700mm.Distributing in precipitation year is inhomogeneous feature, and spring, winter, precipitation accounted for about 20%, and arid is rainless, and summer, autumn, precipitation accounted for about 80%, and heavy rain is multiple.Be accompanied by the enforcement of the key projects such as development of the West Regions, national freeway net construction, produced many exposed rocky slopes in these areas.Although in recent years these rocky slopes had also been carried out vegetation recovery engineering, but because climate conditionality, engineering effort is very undesirable, main manifestations is: 1. domatic soil moved in to improve the original layer (or artificial soil layer) is subjected to the drought impact lack of water serious in winter, spring, can't satisfy the plant water sources demand, cause the plant Large Scale Death; Affected by heavy rain in summer, autumn runs off seriously, easily produces large tracts of land and come off; 2. domatic artificial plant group is take draft as main, and root system is shallow, water consumption is high, vegetation coverage descends rapidly, and structure of community is extremely unstable, has just occurred degradation phenomena about 2-3.
In order to improve this situation, unit in charge of construction also once adopted the method for manually watering to alleviate damage caused by a drought, but thickness only is that the domatic artificial soil layer water retention capacity about 10-12cm is limited, water the water yield well below soil evaporation and plant transpiration amount, an utterly inadequate amount can't solve question of substance, and the cost that waters is higher, be difficult to long term maintenance, withered even anhydrous watering can only be allowed controlling of the Nature at the dry year water source, and domatic artificial vegetation's large tracts of land is withered soon.
At occurring in nature, most higher plant existence be unable to do without soil, for the revegetation of exposed rocky slope, not only will and make it stable at rocky slope surface construction soil moved in to improve the original layer, but also want planting to suit at the plant community of rocky slope existence.In view of the restriction of the factors such as grade of side slope and construction cost, add for keeping the stable needs of Soil Slope, at its thickness of soil moved in to improve the original layer (or artificial soil layer) of rocky slope surface construction generally about 10-12cm.Adopt at present both at home and abroad usually soil moved in to improve the original to spray or backfilling new soil (with slope concrete framework or retaining wall and with) technology realizes this point, but in the northern area of China, only accomplish this point not enough, also must be when making up the soil moved in to improve the original layer, consider in the lump how to reduce in dry season soil water evaporation, how prevent the technical problem of the soil erosion in rainy season, this is the technological difficulties of the northern area of China rocky slope soil restoration.
At the initial stage of rocky slope ecological recovery, the combination of shrub and draft and the group take shrub as the master are optimal plant communitys.This is because the soil horizon of this moment is thinner, the moisture that contains in the soil and nutrient are all less, and the shrub life cycle is long, water consumption is few, drought-enduring impoverishment tolerant, well developed root system (Bushes Roots can be deep among the slit of rock) can be grown in shallow soil, plays an important role to keeping rocky slope top layer (weathered layer, soil moved in to improve the original layer) and the stable of plant community.Although the herbaceous plant life cycle is short, water consumption is large, can prevent the loss of soil particle, prevents soil depletion, promotes fertile soil, soil is formed play an important role.In the slope ecological recovery engineering, make up at present fill with, the main method of careless plant community is shrub and herbal seed to be mixed sow, as spray with soil moved in to improve the original among mixing soil moved in to improve the original, or directly sow on the top layer of backfill soil moved in to improve the original etc.Yet because there are very big-difference in speed of germination and the growth rate of filling, grass seed, the rapid germinating growth of herbaceous plant is fast, the shrub plant germinating growth is all very slow, the result of mixed seeding often herbaceous plant occupies advantage and suppresses the shrub plant growth, has finally formed take herbaceous plant as main group.Wither away even because herbaceous plant easily degenerates, be difficult to form stable structure of community at rocky slope, if there is not the with it association of shrub of some, uncultivated state still can be got back in the side slope surface after several years.If just sow shrub seeds, because shrub seeds germinates slowly, growth is also slow, be difficult to form in a short time cover domatic vegetable layer, the domatic not only soil that lacks the vegetation covering easily suffers the erosion of wind and rain, and landscape effect is also poor.Therefore, how solving the shrub weak tendency problem that mixed seeding brings, is the technological difficulties that the northern area of China rocky slope plant community makes up.
Summary of the invention
The object of the invention is to disclose a kind of rocky slope filling, careless plant community construction method; Another object of the present invention is to disclose a kind of filling of northern China rocky slope, careless plant community structure construction method of being applicable to.
The objective of the invention is to be achieved through the following technical solutions:
A kind of method that makes up filling, careless plant community at rocky slope, the method comprise linked network injection soil moved in to improve the original, lay plant-growth carpet or plant living band, with the combination of transplanting shrub seedling;
Soil moved in to improve the original refers to the mixture by the natural soils of locality, job location and vegetable fiber, soil improvement material, soil jointing material;
Vegetable fiber is the stalk (stalk length is 2-3cm) through compost treatment;
Natural soils and vegetable fiber be 6:4 by volume, and 7:3,8:2(preferred proportion are 7:3) mix;
Soil improvement material comprises water-loss reducer, vermiculite, boiler ash sediment, slow-release fertilizer, and the preferred proportion (volume ratio) that adds in natural soils and the vegetable fiber mixture is water-loss reducer 1%, vermiculite 5%, boiler ash sediment 15%, slow-release fertilizer 0.5%;
The soil jointing material is two kinds of mineral-type soil binder or Portland cements, can select respectively wherein a kind of, and the preferred addition that the ionic inorganic bond adds in natural soils and the vegetable fiber mixture is 5kg-8kg/m
3, the preferred addition that Portland cement adds in natural soils and the vegetable fiber mixture is 65kg-80kg/m
3, also must add simultaneously pH value buffer 1kg-3kg/m
3
Plant-growth carpet is three-decker, and the top layer is rope made of hemp net, and the middle level is conventional flaxen fiber (length 2-5cm), grass-seed (gramineous plants, usage amount 800-1200 grain/m
2), the mixture that forms of fertilizer (slow-release fertilizer 20-30g/ ㎡), bottom is burlap (or nonwoven), by needle point method three-decker is combined into one, thickness 2-5mm, the plant-growth carpet natural decomposition time is 2-3;
Plant living band and be four-layer structure, the top layer is fiber knitted net, and inferior top layer is the polyethylene fibre web, and the middle level is that (grass family+leguminous plant, pulse family and gramineous plants seed rate are 3:7 to conventional grass-seed, and usage amount is 800-1200 grain/m
2), the mixture that forms of fertilizer (slow-release fertilizer 20-30g/ ㎡), water-loss reducer (graininess, 10-20g/ ㎡), bottom is paper or nonwoven, is combined into one by cold-adhesion or acupuncture sewing, thickness 3-5mm plants that to give birth to the band natural decomposition time be 10-12;
The shrub seedling be seedling raise period in 1 year with interior broad-leaved tree seedling, seedling height is 20-30cm, limb is lignification, the seedling kind comprises nutrition pot seedling, container bag seedling, earth pillar seedling (also claiming child care piece seedling), native ball seedling etc., preferred earth pillar seedling (child care piece seedling), transplanting density is 1 strain/1.5-2m
2
The inventive method comprises the steps:
(1) cleaning is domatic, removes rubble and float stone, and domatic lower recess is filled and led up and compacting with soil;
(2) anchor rack plating zinc wire netting and be fixed in domatic on;
(3) perpendicular to earth's surface side and on perpendicular to the direction between domatic, in domatic punching, the formation diameter is that 14-20cm, the degree of depth are the hole of 20--50cm with pneumatic pick or percussion drill;
(4) wire netting of punching place is cut off, erect pvc pipe and fix it in punching place, the pvc pipe diameter is 12-15cm, and pipe range is 17--25cm;
(5) at domatic injection soil moved in to improve the original, soil moved in to improve the original thickness 10-12cm with the wire netting pull-up, makes it be the fluctuating shape in the soil moved in to improve the original layer during injection, avoids soil moved in to improve the original to enter in the pvc pipe during injection;
(6) lay on soil moved in to improve the original layer surface and fixing plant-growth carpet or plant and give birth to band, will or plant plant-growth carpet when running into pvc pipe and give birth to band and cut off, make pvc pipe penetrate plant-growth carpet or plant and give birth to band and be exposed to its outside;
(7) pvc pipe of domatic upper setting is extracted, this moment, the vertical tube place formed the cave, poured into mud in the cave, inserted the shrub seedling again, and then earthing is steady and sure.
The nursery stock that earth pillar seedling used in the present invention (also claiming child care piece seedling) refers in having the hollow earth pillar piece of certain degree of hardness, adopts specific process to cultivate, the main root of this kind nursery stock is sturdy upright, is subjected to the protection of earth pillar piece to be difficult for being damaged when transplanting.
Description of drawings
Fig. 1 is present technique construction section structure schematic diagram, and wherein rocky slope 1, and backfill soil 2 is transplanted cave 3, soil moved in to improve the original layer 4, and plant-growth carpet (plant and give birth to band) 5, machine is compiled zinc-plated net 6, U-shaped holdfast 7, shrub seedling 8, herbaceous plant germinates 9.
Fig. 2 is for burrowing, erect pvc pipe material schematic diagram, and wherein rocky slope 1, and backfill soil 2 is transplanted cave 3, and machine is compiled zinc-plated net 6, U-shaped holdfast 7, pneumatic pick or percussion drill 10, pvc pipe material 11.
Construct rear shrub survival rate (a), plant height and leading thread (b) of Fig. 3 changes.
The method that the present invention at first adopts linked network and sprays soil moved in to improve the original for plant growth provides the soil basis, is reserved the transplanting cave at rocky slope surface construction soil moved in to improve the original layer simultaneously in the soil moved in to improve the original layer, prepare for transplanting the shrub seedling; Secondly lay plant-growth carpet (or plant and give birth to band) on soil moved in to improve the original layer surface, be inlaid with herbal seed and fertilizer etc. in the plant-growth carpet (or plant and give birth to band), the effect that plant-growth carpet (or plant and give birth to band) plays has three aspects:, the one, guarantee the herbaceous plant germinating growth and control its cover degree that (weed growth of soil moved in to improve the original inside is suppressed, the seed amount of inlaying in the plant-growth carpet is limited, controlled), the 2nd, can prevent the soil erosion that precipitation causes, the 3rd, can reduce the soil water evaporation loss; At last the shrub seedling that cultivates is planted and transplanted in the cave, because seedling has had healthy and strong root system and certain height, can share light, heat, water, fertile resource with herbaceous plant, so that shrub plant can be stablized, successfully grow, finally become the advantage species in the slope plants group.
The combination of soil moved in to improve the original and plant-growth carpet (plant and give birth to band), even in the situation that run into torrential rain, the soil erosion amount of soil moved in to improve the original layer also will be controlled in minimum degree, even under the condition of meteorological arid in spring, the soil moved in to improve the original layer also can keep the soil moisture of some, keep slope plant existence to the minimum requirement of soil moisture, thereby solved rocky slope soil moved in to improve the original layer because of the soil erosion of precipitation initiation with because evaporating the problem of the soil moisture loss that causes; The combination of plant-growth carpet (plant and give birth to band) and bush transplanting, can be under the prerequisite that guarantees certain herbosa coverage rate, inhibition initial stage herbaceous plant Fast Growth is to the consumption of soil liquid manure, make shrub plant just have in the early stage certain competitive advantage, smooth growth, and finally become advantage species in the slope plants group, guarantee the stability of rocky slope plant community, thereby solved the problem of the shrub growth retardation that seed sowing brings.
This rocky slope technology for recovering vegetation provided by the invention; can make up take shrub as master, draft as auxiliary plant community at rocky slope with comparalive ease; being conducive to fast quick-recovery slope vegetation covers; reduce domatic water and soil loss; reduce the evaporation of Soil Slope moisture; improve survival rate and the stability of rocky slope artificial plant group, for China's ecological construction and environmental protection provide new method, will produce obvious social benefit, economic benefit and ecological benefits.
Embodiment
Following embodiment is used for further specifying but is not limited to the present invention.
Embodiment 1: soil moved in to improve the original+plant-growth carpet+shrub seedling is transplanted
The project site is northern China highway rocky slope (the semiarid continental monsoon climatic region in temperate zone, average temperature of the whole year is 6.6 ℃, annual precipitation 370mm), side slope is that explosion+mechanical equivalent of light excavation forms, except the top, slope remains a small amount of parent soil material, original natural soils and natural vegetation are totally destroyed, and domatic rock is exposed, lithology is volcanic rock, and rate of decay is higher.Domatic 20 ° of the souths by east that are oriented, approximately 60 ° of the gradients.
Adopt the technical approach that sprays soil moved in to improve the original+laying plant-growth carpet+transplanting shrub seedling to carry out the rocky slope vegetation restoration and reconstruction.
The soil moved in to improve the original preparation program is: local natural soils, straw compost are mixed in the ratio of 7:3, mix by volume again 5% perlite, 1% organic manure, 0.5% efficient compound fertilizer (N-P-K content: 20-20-20), 0.1% water-loss reducer, press at last 6kg/m in the mixture of soil and straw compost
30.5% consumption mixes inorganic bond.With agitator that above-mentioned various material stirrings are even, mixing time is about 1 minute and 30 seconds.The soil moved in to improve the original jet thickness is 12cm.
Plant-growth carpet is the flaxen fiber structure, and the grass seeds that thickness 3mm, plant-growth carpet are embedded in is siberian wildrye gramineous and Festuca Arundinacea, and seed rate is 4: 6, and the seed usage amount is 1000/m
2
The shrub seedling of transplanting is adopted earth pillar piece seedling method to cultivate and forms, and the shrub kind comprises ansu apricot, elm, the twigs of the chaste tree etc., Transplanting Density 1 strain/1～1.5m
2
Implementation process is as follows: clear up domaticly, remove rubble and float stone, to domatic lower recess backfill soil moved in to improve the original and compacting; With
10mm * L400mm,
The anchor pole fixed mesh size of 12mm * L600mm is the galvanized metal machine netting of 2.2mm for 50mm * 50mm, wire diameter, 2.5/m of anchor pole density
2With pneumatic pick or percussion drill on domatic along punching downwards perpendicular to the direction of ground level, form diameter and be about 17cm, the degree of depth is the hole about 40cm, punch density is 1/1.5-2m
2Erectting diameter in punching place is 15cm, and length is the pvc pipe of 22cm; Jet thickness is the soil moved in to improve the original of 12cm on domatic, must avoid soil moved in to improve the original to enter in the pvc pipe during injection; Nebulize with little head the soil moved in to improve the original surface is soaked, then lay plant-growth carpet and be fixed with anchor pole and U-shaped holdfast (or bamboo let is sub), the anchor pole consumption is 2-3 root/m
2, U-shaped holdfast (or bamboo let) consumption is 6-8 root/m
2The upper lower contact of plant-growth carpet and left and right sides seam crossing are wanted overlapped 5-10cm, and link together with iron wire, plant-growth carpet will be cut off when running into pvc pipe, and pvc pipe is exposed; The pvc pipe of domatic upper setting is extracted, poured into mud in the cave, insert the shrub seedling again, then earthing is steady and sure.After said process is finished, the scope of operation is manually watered, make head be shattered into the shower shape, must avoid large head directly to wash away domatic, water will water foot and irrigate.
Construct latter two month, the herbaceous plant Festuca Arundinacea in the plant-growth carpet, siberian wildrye are grown smoothly, and its plant height can reach about 15cm, and the average cover degree of herbosa reaches 50%.Shrub seedling (ansu apricot, elm, the twigs of the chaste tree) upgrowth situation of transplanting is good, rises to 40cm about the 15cm when on average plant height is from transplanting, and maximum plant height is 70cm, and the hat width of cloth is 20 * 40cm, and the average cover degree of shrub plant is 3%.
The rear 1 year average plant height 50～60cm of domatic upper herbaceous plant (Festuca Arundinacea and siberian wildrye) that constructs, average cover degree 60%.The survival rate of shrub (elm, ansu apricot, the twigs of the chaste tree etc.) reaches more than 90%, and average plant height is 45～55cm, and averag density is 1 strain/1.4m
2, average cover degree is 20%.
Construct rear 2 years (Fig. 3), the survival rate of domatic upper shrub reaches more than 60%, and average plant height reaches more than the 50cm, and average leading thread reaches more than the 4mm; Herbaceous plant riotous growth, the upperground part biomass have reached the biomass level of natural slope Schattenseite; Species consist of take shrub as master, draft as auxiliary, and competition between the two is in the state of mutual balance basically, and group is stable, and the total cover degree of slope vegetation is higher than 70%.
Embodiment 2: soil moved in to improve the original+plant and give birth to the transplanting of band+shrub seedling
The project site is the discarded mining face in northern China mine (temperate zone half moistening continental monsoon climatic region, 11.8 ℃ of mean temperature of air, average precipitation 550.3mm), domatic 10 ° of the souths by west that are oriented, about 50 ° of the gradients, domatic without soil, rock is exposed, uneven, and degree of rock weathering is medium.The technical approach that adopts injection soil moved in to improve the original+laying to plant living band+transplanting shrub seedling carries out the rocky slope vegetation restoration and reconstruction.
The soil moved in to improve the original preparation program is: local natural soils, straw compost are mixed in the ratio of 7:3, mix by volume again 5% perlite, 1% organic manure, 0.5% efficient compound fertilizer (N-P-K content: 20-20-20), 0.1% water-loss reducer, press at last 7kg/m in the mixture of soil and straw compost
3Consumption mixes inorganic bond.With agitator that above-mentioned various material stirrings are even, mixing time is about 1 minute and 30 seconds.The soil moved in to improve the original jet thickness is 12cm.
Plant and give birth to band and be cellucotton net structure (also claim the web shape to plant and give birth to band), thickness 3mm plants and gives birth to alfalfa that grass seeds that band is embedded in is pulse family and annual bluegrass gramineous, Festuca Arundinacea, and pulse family and grass family seed rate are 3: 7, and the seed usage amount is 1000/m
2Plant to give birth in the band and also added slow-release fertilizer 20g/m
2, the graininess water-loss reducer (particle diameter 2-4mm, water absorbent rate 100-200 doubly about, service life 4-5) 10g/m
2
The shrub seedling of transplanting is adopted earth pillar piece seedling method to cultivate and forms (also claiming child care piece seedling), comprises ansu apricot, mountain peach, elm, the twigs of the chaste tree, tree-of-heaven etc., Transplanting Density 1 strain/1.5-2m
2
Implementation process is as follows: clear up domaticly, remove rubble and float stone, to domatic lower recess reclaimed soil and compacting; With
10 * 400mm,
The anchor pole fixed mesh size of 12 * 600mm is the galvanized metal machine netting of 2.2mm for 50mm * 50mm, wire diameter, 2.5/m of anchor pole density
2With pneumatic pick or percussion drill on domatic along punching downwards perpendicular to the direction of ground level,, form diameter and be about 17cm, the degree of depth is the hole about 40cm, punch density is 1/1.5-2m
2Erectting diameter in punching place is 15cm, and length is the pvc pipe of 22cm; Jet thickness is the soil moved in to improve the original of 12cm on domatic, must avoid soil moved in to improve the original to enter in the pvc pipe during injection; Nebulize with little head the soil moved in to improve the original surface is soaked, then lay to plant and give birth to band and be fixed with anchor pole and U-shaped holdfast (or bamboo let is sub), the anchor pole consumption is 2-3 root/m
2, U-shaped holdfast (or bamboo let) consumption is 6-8 root/m
2, plant upper lower contact and the left and right sides seam crossing of giving birth to band and want overlapped 5-10cm, and link together with iron wire, to cut off planting to give birth to be with when running into pvc pipe, pvc pipe is exposed; The pvc pipe of domatic upper setting is extracted, poured into mud in the cave, insert the shrub seedling again, then earthing is steady and sure.After said process is finished, the scope of operation is manually watered, make head be shattered into the shower shape, must avoid large head directly to wash away domatic, water will water foot and irrigate.
The field observation result shows (constructing after 1 year), the evaporation that living band can reduce moisture in the soil moved in to improve the original is planted in laying, in the situation that month rainfall in spring (4-6) seldom (50.3mm), planting the soil moisture mean value of giving birth under the band covering is 0.6133, maximum is 0.803(table 1), can satisfy plant growth fully to the needs of moisture.
Table 1 is planted and is given birth to the lower Soil water diffevence of band covering
Constructing, the recovering vegetation on slope situation is after 1 year: shrub sprigging survival rate reaches 90%, and the herbaceous plant cover degree reaches 40%, has formed take shrub as master, draft as auxiliary structure of community.
Claims (3)
1. a method that makes up filling, careless plant community at rocky slope is characterized in that the method comprises linked network injection soil moved in to improve the original, lays plant-growth carpet or plants living band, with the combination of transplanting shrub seedling;
Soil moved in to improve the original refers to the mixture by the natural soils of locality, job location and vegetable fiber, soil improvement material, soil jointing material;
Vegetable fiber is the stalk through compost treatment;
Natural soils and vegetable fiber be 6:4 by volume, and 7:3 or 8:2 mix;
Soil improvement material be in water-loss reducer, vermiculite, boiler ash sediment, the slow-release fertilizer any one or a few, the volume ratio of adding in natural soils and the vegetable fiber mixture is water-loss reducer 1%, vermiculite 5%, boiler ash sediment 15%, slow-release fertilizer 0.5%;
The soil jointing material be mineral-type soil binder or Portland cement any one, the addition that the mineral-type soil binder adds in natural soils and the vegetable fiber mixture is 5kg-8kg/m
3, the addition that Portland cement adds in natural soils and the vegetable fiber mixture is 65kg-80kg/m
3, also must add simultaneously pH value buffer 1kg-3kg/m3;
Plant-growth carpet is three-decker, and the top layer is rope made of hemp net, and the middle level is the mixture that the slow-release fertilizer of flaxen fiber, grass-seed, 20-30g/ ㎡ forms, bottom is burlap or nonwoven, by needle point method three-decker is combined into one, thickness 2-5mm, the plant-growth carpet natural decomposition time is 2-3;
Plant to give birth to be with and be four-layer structure, the top layer is fiber knitted net, inferior top layer is the polyethylene fibre web, the middle level is the mixture that the graininess water-loss reducer of slow-release fertilizer, the 10-20g/ ㎡ of grass-seed, 20-30g/ ㎡ forms, bottom is paper or nonwoven, be combined into one by cold-adhesion or acupuncture sewing, thickness 3-5mm, planting the living band natural decomposition time is 10-12;
The shrub seedling be seedling raise period 1 year with interior broad-leaved tree seedling, seedling height is 20-30cm, limb is lignification, the seedling kind is one or more in nutrition pot seedling, container bag seedling, earth pillar seedling, the native ball seedling, transplanting density is 1 strain/1.5-2m
2
2. a kind of method that makes up filling, careless plant community at rocky slope as claimed in claim 1 is characterized in that the method comprises the steps:
(1) cleaning is domatic, removes rubble and float stone, and domatic lower recess is filled and led up and compacting with soil;
(2) anchor rack plating zinc wire netting and be fixed in domatic on;
(3) perpendicular to earth's surface side and on perpendicular to the direction between domatic, in domatic punching, the formation diameter is that 14-20cm, the degree of depth are the hole of 20--50cm with pneumatic pick or percussion drill;
(4) wire netting of punching place is cut off, erect pvc pipe and fix it in punching place, the pvc pipe diameter is 12-15cm, and pipe range is 17--25cm;
(5) at domatic injection soil moved in to improve the original, soil moved in to improve the original thickness 10-12cm with the wire netting pull-up, makes it be the fluctuating shape in the soil moved in to improve the original layer during injection, avoids soil moved in to improve the original to enter in the pvc pipe during injection;
(6) lay on soil moved in to improve the original layer surface and fixing plant-growth carpet or plant and give birth to band, will or plant plant-growth carpet when running into pvc pipe and give birth to band and cut off, make pvc pipe penetrate plant-growth carpet or plant and give birth to band and be exposed to its outside;
(7) pvc pipe of domatic upper setting is extracted, this moment, the vertical tube place formed the cave, poured into mud in the cave, inserted the shrub seedling again, and then earthing is steady and sure.
3. the method that makes up filling, careless plant community at rocky slope as claimed in claim 1 or 2 is characterized in that the grass-seed in the method plant-growth carpet is gramineous plants, and usage amount is 800-1200 grain/m
2Planting the grass-seed that gives birth in the band is pulse family and gramineous plants, and pulse family and gramineous plants seed rate are 3:7, and usage amount is 800-1200 grain/m
2
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