CN102498875A - 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 at the structure filling of Chinese northern area rock matter slope, careless plant community.
Background technology
In infrastructure construction engineerings such as water conservancy, highway, railway, mine, dwelling house, produce a large amount of exposed rocky slopes through regular meeting.The basic characteristics of these rocky slopes are: the gradient is steep, hard, the no soil in surface, no vegetation, waterproof, water not, and the land occupation condition ten minutes badly.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 of areas 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 characteristic, 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 key projects such as development of the West Regions, national freeway net construction, produced many exposed rocky slopes in these areas.Though in recent years these rocky slopes had also been carried out vegetation recovery engineering; But owing to receive the weather conditionality; Engineering effort is very undesirable; Mainly show as: 1. domatic soil moved in to improve the original layer (or artificial soil layer) receives the drought impact lack of water serious in winter, spring, can't satisfy the plant water demand, causes the plant large tracts of land dead; Influenced by heavy rain in summer, autumn runs off seriously, is easy to generate large tracts of land and comes off; 2. domatic artificial plant group is main with draft, 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 artificial method of watering to alleviate damage caused by a drought, but the domatic artificial soil layer water retention capacity that thickness is merely 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, watches that domatic artificial vegetation's large tracts of land is withered.
At occurring in nature, most higher plant existence be unable to do without soil, for the revegetation of exposed rocky slope, not only will make up the soil moved in to improve the original layer on the rocky slope surface and make it stable, but also want planting to suit at the plant community of rocky slope existence.In view of the restriction of factors such as grade of side slope and construction cost, add that from the needs that keep domatic soil stabilization its thickness of soil moved in to improve the original layer (or artificial soil layer) that makes up on the rocky slope surface is 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 domatic concrete frame or retaining wall and with) technology realizes this point; But in north China; Only accomplish this point not enough, also must be when making up the soil moved in to improve the original layer, consider how to reduce soil water evaporation in the lump in dry season; How prevent the technical problem of the soil erosion in rainy season, this is the technological difficulties of north China rocky slope soil restoration.
At the initial stage of rocky slope ecological recovery, the combining and be that main group is optimal plant community of shrub and draft with the shrub.This is because the soil horizon of this moment is thinner; Moisture that contains in the soil and nutrient are all less, and the shrub life cycle is long, and water consumption is few; Drought-enduring impoverishment tolerant; Well developed root system (the shrub root system 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.Though the herbaceous plant life cycle is short, water consumption is big, 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 irritate, 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 the 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 herbaceous plant often occupies advantage and suppresses the shrub plant growth, and finally having formed is main group with the herbaceous plant.Wither away even because herbaceous plant degenerates easily, be difficult to form stable structure of community at rocky slope, if there is not the shrub association with it of some, uncultivated state still can be got back in the side slope surface after several years.If just sow shrub seeds,, lack the domatic not only soil that vegetation covers and suffer the erosion of wind and rain easily, and landscape effect is also poor because that shrub seeds germinates is slow, growth is also slow, is difficult in to form in a short time to cover domatic vegetable layer.Therefore, how solving the shrub weak tendency problem that mixed seeding brings, is the technological difficulties that north China rocky slope plant community makes up.
Summary of the invention
The objective 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 of being applicable to and makes up construction method.
The objective of the invention is to realize through following technical scheme:
A kind of method at the filling of rocky slope structure, careless plant community, this method comprise hanging to net sprays soil moved in to improve the original, laying plant-growth carpet or plants living band, with combining of transplanting shrub seedling;
Soil moved in to improve the original is meant the mixture by the local natural soils in job location and vegetable fiber, soil improvement material, soil jointing material;
Vegetable fiber is straw compost (stalk length is 2-3cm);
Natural soils and vegetable fiber 6: 4 by volume, 7: 3, (preferred proportion is 7: 3) mixed in 8: 2;
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 adhesive or Portland cements, can select wherein a kind of respectively for use, and the preferred addition that the ion-type 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 pH value buffer 1kg-3kg/m simultaneously
3
Plant-growth carpet is a three-decker, and the top layer is a 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), fertilizer (slow-release fertilizer 20-30g/m
2) mixture formed, bottom is burlap (or nonwoven), through needle point method three-decker is combined into one, and 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 a 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), fertilizer (slow-release fertilizer 20-30g/m
2), water-loss reducer (graininess, 10-20g/m
2) mixture formed, bottom is paper or nonwoven, is combined into one through 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, and limb is lignification, and 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 recess is is down filled and led up and compacting with soil;
(2) anchor rack plating zinc wire netting and be fixed in domatic on;
(3) perpendicular to face of land side and on perpendicular to the direction between domatic, punch on domatic with pneumatic pick or percussion drill, the formation diameter is that 14-20cm, the degree of depth are the hole of 20--50cm;
(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 in the soil moved in to improve the original layer, be the fluctuating shape during injection, avoids soil moved in to improve the original to get in the pvc pipe during injection;
(6) lay and fixing plant-growth carpet or plant and give birth to band at the soil moved in to improve the original laminar surface, 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) the domatic pvc pipe of erectting of going up is extracted, this moment, the vertical tube place formed the cave, in the cave, poured into mud, inserted the shrub seedling again, and earthing is steady and sure then.
The nursery stock that earth pillar seedling used in the present invention (also claiming child care piece seedling) is meant 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, when transplanting, receives the protection of earth pillar piece to be difficult for being damaged.
Description of drawings
Fig. 1 is present technique construction section structure sketch map, 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 type holdfast 7, shrub seedling 8, herbaceous plant germinates 9.
Fig. 2 is for burrowing, erect pvc pipe material sketch map, and wherein rocky slope 1, and backfill soil 2 is transplanted cave 3, and machine is compiled zinc-plated net 6, U type holdfast 7, pneumatic pick or percussion drill 10, pvc pipe material 11.
Shrub survival rate (a), plant height and leading thread (b) changed after Fig. 3 constructed.
The present invention at first adopts the method for hanging net and spraying soil moved in to improve the original to make up the soil moved in to improve the original layer on the rocky slope surface, and for plant growing provides the soil basis, the while is reserved in the soil moved in to improve the original layer and transplants the cave, prepares for transplanting the shrub seedling; Secondly lay plant-growth carpet (or plant and give birth to band) at the soil moved in to improve the original laminar 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, and the one, guarantee the herbaceous plant germinating growth and control its cover degree (the inner weed growth of soil moved in to improve the original is suppressed, and 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; Make shrub plant can stablize, successfully grow, finally become the advantage species in the domatic plant community.
Soil moved in to improve the original combines with plant-growth carpet (plant and give birth to band); Even running under the situation of 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 of evaporating the problem of the soil moisture loss that is caused; Plant-growth carpet (plant and give birth to band) combines with the shrub transplanting; Can under the prerequisite that guarantees certain herbosa coverage rate, suppress the consumption of the quick growth of initial stage herbaceous plant, make shrub plant just have certain competitive advantage in the early stage soil liquid manure; Smooth growth; And finally become the advantage species in the domatic plant community, guarantee the stability of rocky slope plant community, thereby solved the problem of the shrub growth retardation that seed sowing brought.
This rocky slope technology for recovering vegetation provided by the invention; Can make up with the shrub at rocky slope with comparalive ease is that master, draft are the plant community of assisting, and helps fast quick-recovery slope vegetation and covers, and reduces domatic water and soil loss; Reduce domatic soil water evaporation; Improve the survival rate and the stability of rocky slope artificial plant group,, will produce obvious social, economic benefit and ecological benefits for China's ecological construction and environmental protection provide new method.
Embodiment
Following embodiment is used to further specify 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 has remained a spot of parent soil material, original natural soil and natural vegetation have been destroyed totally, and domatic rock is exposed; Lithology is a volcanic rock, and rate of decay is higher.Domatic 20 ° of the souths by east that are oriented, about 60 ° of the gradient.
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 7: 3 ratio; In the mixture of soil and straw compost, mix 5% perlite, 1% organic manure, 0.5% efficient compound fertilizer (N-P-K content: 20-20-20), 0.1% water-loss reducer, press 6kg/m at last more by volume
30.5% consumption mixes inorganic bond.With agitator above-mentioned various materials are stirred, 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., transplants density 1 strain/1～1.5m
2
Implementation process is following: clear up domaticly, remove rubble and float stone, to domatic recess backfill soil moved in to improve the original and compacting down; Use
Anchor pole fixed mesh size be that 50mm * 50mm, line directly are the galvanized metal machine netting of 2.2mm, 2.5/m of anchor pole density
2With pneumatic pick or percussion drill in domatic upper edge perpendicular to the punching that is directed downwards 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 get in the pvc pipe during injection; Nebulize with little head the soil moved in to improve the original surface is soaked, lay plant-growth carpet then and be fixed with anchor pole and U type holdfast (or bamboo let is sub), the anchor pole consumption is 2-3 root/m
2, U type holdfast (or bamboo let) consumption is 6-8 root/m
2The last lower contact of plant-growth carpet and left and right sides seam crossing are wanted overlapped 5-10cm, and link together with iron wire, will plant-growth carpet be cut off when running into pvc pipe, expose pvc pipe; The domatic pvc pipe of erectting of going up is extracted, in the cave, poured into mud, insert the shrub seedling again, earthing is steady and sure then.Said process carries out manual work to the scope of operation and waters after accomplishing, and make head be shattered into the shower shape, must avoid big head directly to wash away domatic, and 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 back 1 year domatic average plant height 50～60cm of herbaceous plant (Festuca Arundinacea and siberian wildrye), the average cover degree 60% of going up of constructing.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 back 2 years (Fig. 3), the domatic survival rate that goes up 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; It is that master, draft are auxilliary that species constitute with the shrub, 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 no soil; Rock is exposed, uneven, and degree of rock weathering is medium.Adopt injection soil moved in to improve the original+laying to plant the technical approach of giving birth to band+transplanting shrub seedling and 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 7: 3 ratio; In the mixture of soil and straw compost, mix 5% perlite, 1% organic manure, 0.5% efficient compound fertilizer (N-P-K content: 20-20-20), 0.1% water-loss reducer, press 7kg/m at last more by volume
3Consumption mixes inorganic bond.With agitator above-mentioned various materials are stirred, 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 is planted give birth to band), thickness 3mm plants and gives birth to alfalfa that grass seeds that band is embedded in is a 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., transplants density 1 strain/1.5-2m
2
Implementation process is following: clear up domaticly, remove rubble and float stone, to domatic recess reclaimed soil and compacting down; Use
Anchor pole fixed mesh size be that 50mm * 50mm, line directly are the galvanized metal machine netting of 2.2mm, 2.5/m of anchor pole density
2With pneumatic pick or percussion drill in domatic upper edge perpendicular to the punching that is directed downwards 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 get in the pvc pipe during injection; Nebulize with little head the soil moved in to improve the original surface is soaked, lay then to plant and give birth to band and be fixed with anchor pole and U type holdfast (or bamboo let is sub), the anchor pole consumption is 2-3 root/m
2, U type holdfast (or bamboo let) consumption is 6-8 root/m
2, plant the last 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, expose pvc pipe; The domatic pvc pipe of erectting of going up is extracted, in the cave, poured into mud, insert the shrub seedling again, earthing is steady and sure then.Said process carries out manual work to the scope of operation and waters after accomplishing, and make head be shattered into the shower shape, must avoid big head directly to wash away domatic, and 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; Under moon rainfall in spring (4-6) situation seldom (50.3mm); Planting the soil moisture mean value of giving birth under the band covering is 0.6133, and maximum is 0.803 (table 1), can satisfy the needs of plant growing to moisture fully.
Table 1 is planted and is given birth to band covering soil moisture difference down
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%, and having formed with the shrub is that master, draft are the structure of community of assisting.
Claims (3)
- One kind make up to irritate at rocky slope, the method for careless plant community, it is characterized in that this method comprises that hanging net sprays soil moved in to improve the original, lays plant-growth carpet or plant and give birth to band, and transplant combining of shrub seedling;Soil moved in to improve the original is meant the mixture by the local natural soils in job location and vegetable fiber, soil improvement material, soil jointing material;Vegetable fiber is a straw compost;Natural soils and vegetable fiber 6: 4 by volume mixed in 7: 3 or 8: 2;Soil improvement material comprises water-loss reducer, vermiculite, boiler ash sediment, slow-release fertilizer, and 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 is two kinds of mineral-type soil adhesive or Portland cements, can select wherein a kind of respectively for use, and the addition that the ion-type inorganic bond 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 pH value buffer 1kg-3kg/m simultaneously 3Plant-growth carpet is a three-decker, and the top layer is a rope made of hemp net, and the middle level is conventional flaxen fiber, grass-seed, 20-30g/m 2The mixture formed of slow-release fertilizer, bottom is burlap or nonwoven, through 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 a fiber knitted net, and inferior top layer is the polyethylene fibre web, and the middle level is grass-seed, 20-30g/m 2Slow-release fertilizer, 10-20g/m 2The mixture formed of graininess water-loss reducer, bottom is paper or nonwoven, is combined into one through 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 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, native ball seedling, it is 1 strain/1.5-2m that the earth pillar seedling is transplanted density 2
- 2. a kind of method at the filling of rocky slope structure, careless plant community as claimed in claim 1 is characterized in that this method comprises the steps:(1) cleaning is domatic, removes rubble and float stone, and domatic recess is is down filled and led up and compacting with soil;(2) anchor rack plating zinc wire netting and be fixed in domatic on;(3) perpendicular to face of land side and on perpendicular to the direction between domatic, punch on domatic with pneumatic pick or percussion drill, the formation diameter is that 14-20cm, the degree of depth are the hole of 20--50cm;(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 in the soil moved in to improve the original layer, be the fluctuating shape during injection, avoids soil moved in to improve the original to get in the pvc pipe during injection;(6) lay and fixing plant-growth carpet or plant and give birth to band at the soil moved in to improve the original laminar surface, 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) the domatic pvc pipe of erectting of going up is extracted, this moment, the vertical tube place formed the cave, in the cave, poured into mud, inserted the shrub seedling again, and earthing is steady and sure then.
- 3. the method for make up irritating at rocky slope according to claim 1 or claim 2, careless plant community is characterized in that the grass-seed in this method plant-growth carpet is a gramineous plants, and usage amount is 800-1200 grain/m 2Planting the grass-seed that gives birth in the band is pulse family+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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