CN103535129B - A kind of greening method of limestone slope - Google Patents
A kind of greening method of limestone slope Download PDFInfo
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- CN103535129B CN103535129B CN201310466082.4A CN201310466082A CN103535129B CN 103535129 B CN103535129 B CN 103535129B CN 201310466082 A CN201310466082 A CN 201310466082A CN 103535129 B CN103535129 B CN 103535129B
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Abstract
The invention discloses a kind of greening method of limestone slope.The inventive method, by backfilling soil moved in improve the original in side slope, is planted Bermuda grass, red back of the body mountain waste of flax and pigeonpea afterwards and is afforested side slope, has greening success rate high, the advantages such as easy and simple to handle being easy to is applied, and afforestation effect is excellent.Plant and can cover a Limestone Mountain Areas expressway slope in, ecology and the landscape effect of greening can be reached rapidly, not only noise can be absorbed, the dust flown upward can also be adsorbed, and the later stage is without the need to special nursing, can be widely used in the greening of Limestone Mountain Areas expressway slope, what also can be used for that limestone massif gets after stone is multiple green, has extraordinary application prospect.
Description
Technical field
The present invention relates to a kind of environment restoring method, particularly a kind of greening method of limestone slope.
Background technology
China In Limestone Area is widely distributed, and according to incompletely statistics, the gross area reaches 2000,000km
2, wherein exposed carbonate rock area about 1300,000km
2, account for 1/7th of national total area; The In Carbonate Rock area about 700,000km buried
2.In the whole nation, all there is distribution each provinces and regions to In Carbonate Rock, the widest with osmanthus, Guizhou Province and the eastern regions of the Yunnan Province portion Area distribution.The ground such as the western Hunan, west place in Hubei, Chuan Dong, Shandong, Shanxi, the area of In Carbonate Rock distribution is also wider.
Along with the quickening of China's expressway construction, at highway through In Limestone Area, especially Limestone Mountain Areas, sometimes be inevitable to the heavy excavation of massif, produce many exposed limestone slope, if do not take suitable greening safeguard procedures, because exposed limestone is easily by the erosion of rainwater, and use merely engineering measure such as mortar to wipe one's face, whitewashing, pneumatically placed concrete, mortar flag stone revetment, shotcrete bank protection, anchor and spray net bank protection etc. is paved protection and is closed the measures such as protection, side slope is made to lack the necessary soil of plant growth, destroy the diversity of plant and the harmony of natural ecosystems, engineering place of arrival, to disappear green, clean brook, the substitute is hard stiff cement or pitch passage.Take engineering reinforcement measure, to alleviate domatic build the initial stage lability and erosion effect fine, As time goes on, concrete surface, mortar flag stone face can slowly weathering, aging, and even damage, later regulation is costly.These safeguard structures rise sheer from road both sides, seemingly firm, but ecotope effect extreme difference.After side slope adopts engineering protection measure, owing to lacking the environment of plant growth, the vegetation be destroyed just is difficult to recover rapidly.But it is attractive in appearance that these structure usually affect the appearance of a street, and increase radiant heat season at summer high temperature.
In addition, the exploitation of limestone also can form side slope, and it is improper to repair, and can destroy ecotope equally.
Limestone slope is relatively stable, although be not easy to collapse, easily desertification, stony desertification, for protecting side slope from the erosion of rainwater and protecting ecology along the line, beautify highway view along the line, need to afforest side slope.The harmful effect that large area hard surface brings driver can be reduced on the one hand; Highway view along the line can be improved on the other hand, improve the ecological quality that highway is along the line, can also improve grade and the competitiveness of highway simultaneously, create good economic benefit and social benefit, this is also the needs of expressway construction development.
Summary of the invention
The object of the present invention is to provide a kind of greening restorative procedure of limestone slope.
The technical solution used in the present invention is:
A greening method for limestone slope, comprises the steps:
1) in limestone slope, be backfilled to the thick soil moved in improve the original of few 10cm, while backfill soil moved in improve the original, watering compacting, makes ground moistening, and then in side slope, excavation is planted plant hole and insert compoiste fertilizer in kind of plant hole;
2) red back of the body mountain waste of flax seedling is implanted in kind of plant hole, by Bermuda grass seed, Cajanus cajan seeds sowing on side slope soil moved in improve the original, keep ground moistening, and with non-textile mulch, prevent wind, heavy rain pouring and tan by the sun;
3) after seed sprouting, the growth of red back of the body mountain waste of flax seedling, greening side slope is completed.
As a further improvement on the present invention, the height of seedling of red back of the body mountain waste of flax seedling is 50 ~ 70cm, and planting density is 1 ~ 2 strain/m
2; The thickness of sowing of Bermuda grass seed is 3 ~ 5g/m
2, the thickness of sowing of Cajanus cajan seeds is 6 ~ 10g/m
2.
As a further improvement on the present invention, Bermuda grass seed, Cajanus cajan seeds and granularity are not more than 10 object soil moved in improve the originals and mix, and sow grass seeds by duster afterwards with spray seeder, and sow grass seeds by duster thickness 1.5 ~ 2.5cm.
The breeding method of red back of the body mountain waste of flax seedling comprises the steps:
1) collect red back of the body mountain waste of flax seed, mix with wet river sand and be placed in ventilation and preserve, stand-by;
2) by the seed emerge in worm water of red back of the body mountain waste of flax, take out and be seeded on seedbed, broadcast rear earthing, trickle maintenance, keep seedbed moistening;
3) until mountain waste of flax seed start germinate and seedling height of seedling 6 ~ 8cm time, shift out and proceed in nutritious bag, and cultivate under being placed in shading screen, trickle maintenance, to its height of seedling 50 ~ 70cm, obtain can for transplant red back of the body mountain waste of flax seedling.
As a further improvement on the present invention, the soil in nutritious bag is made up of according to mass ratio 6:3:1 soil moved in improve the original, peat soil, coconut palm chaff, and the shading rate of shading screen is 70%.
As a further improvement on the present invention, plant plant hole and be of a size of 20cm × 20cm × 15cm.
As a further improvement on the present invention, the topsoil retained when soil moved in improve the original is slope excavating.
As a further improvement on the present invention, limestone slope arranges fence, backfill soil moved in improve the original afterwards.
The invention has the beneficial effects as follows:
The inventive method is simple to operate, and greening success rate is high, and afforestation effect is excellent, can reach rapidly ecology and the landscape effect of greening, not only can noise in absorbing environmental, can also adsorb the dust flown upward.The side slope of greening is without the need to special nursing, and the later stage does not need to safeguard substantially, is easy to apply.
The present inventor completes the artificial culture of red back of the body mountain waste of flax first, and is applied to the greening of limestone slope, achieves good effect.
Embodiment
Red back of the body mountain waste of flax
alchorneatrewioides(Benth.) Muell.Arg. shrub, high 1-2m; The florescence 3-5 month, the fruit phase 6-8 month, be distributed widely in south Fujian and western part, South Jiangxi, Southern Hunan, Guangdong, Guangxi, Hainan, Northern Thailand, North Vietnam, Japanese sulphur ball archipelago, be born in height above sea level 15-400 (-1000) m coastal plain or mountain region, inland brush land or under sparse woods or in limestone shrubbery, do not have tame report.
Pigeonpea
cajanuscajan(L.) the upright shrub of Millsp., 1-3m.Multi-branched, seed 3-6, subcircular, slightly flat, seed coat kermesinus, has brown spot sometimes.Spend winter, fruit February in November phase to next year, be distributed widely in Yunnan, Sichuan, Jiangxi, Hunan, Guangxi, Guangdong, Hainan, Zhejiang, Fujian, Taiwan, Jiangsu, original producton location or be India, now generally there is cultivation subtropical and tropical zones in the world, extremely barren-resistant arid.
Bermuda grass
cynodondactylon(L.) Pers., has another name called bermuda grass, bermuda grass (yangtze river), salty sand-grass (Hainan), bermudagrass herb (Yunnan), short draft, tool rhizome.Stalk is thin and tough and tensile, and ground of crawling, bottom is spread very long, normal raw adventive root on joint, upstanding portion height 10-30cm, diameter 1-1.5mm, the flowering fruit bearing stage 5-10 month; Be widely distributed in each province on the south China the Yellow River, existing cultivation near Beijing in recent years; Be grown near village more, other riverbank, road, hillside, wasteland, its rhizome spreading force is very strong, and wide floor file face is good dyke strengthening soil-keeping plants, conventionally builds lawn or court with paving.
Bermuda grass, pigeonpea easily grows, within 7 ~ 10 days, just sprout after generally broadcasting, herbaceous plant Bermuda grass can pigeonpea, the long good front opposite side domatic of red back of the body mountain waste of flax shrub becomes to cover, play the effect prevented erosion in early days, pigeonpea is leguminous plant, its rhizobium have nitrogen fixation, red back of the body mountain waste of flax can grow 1m in 1 year, within 1 year, just can yield positive results afterwards, the seed produced falls to behind side slope surface can natural germinating growth, closely knit shrub layer will be formed in side slope after 2-3, thus play and avoid water and soil loss, desertification, the effect of stony desertification, be conducive to the ecological recovery of side slope.3 actings in conjunction, thus reach short-term and long-term Greening functions, be conducive to avoiding water and soil loss.The rhizobium of pigeonpea the nitrogen fixed, can be the growth of each Plants, avoid later stage fertilising, contribute to reducing maintenance cost.
A greening method for limestone slope, comprises the steps:
1) in limestone slope, be backfilled to the thick soil moved in improve the original of few 10cm, while backfill soil moved in improve the original, watering compacting, makes ground moistening, and then in side slope, excavation is planted plant hole and insert compoiste fertilizer in kind of plant hole;
2) red back of the body mountain waste of flax seedling is implanted in kind of plant hole, by Bermuda grass seed, Cajanus cajan seeds sowing on side slope soil moved in improve the original, keep ground moistening, and with non-textile mulch, prevent wind, heavy rain pouring and tan by the sun;
3) after seed sprouting, the growth of red back of the body mountain waste of flax seedling, greening side slope is completed.
As a further improvement on the present invention, the height of seedling of red back of the body mountain waste of flax seedling is 50 ~ 70cm, and planting density is 1 ~ 2 strain/m
2; The thickness of sowing of Bermuda grass seed is 3 ~ 5g/m
2, the thickness of sowing of Cajanus cajan seeds is 6 ~ 10g/m
2.
As a further improvement on the present invention, Bermuda grass seed, Cajanus cajan seeds and granularity are not more than 10 object soil moved in improve the originals and mix, and sow grass seeds by duster afterwards with spray seeder, and sow grass seeds by duster thickness 1.5 ~ 2.5cm.
The breeding method of red back of the body mountain waste of flax seedling comprises the steps:
1) collect red back of the body mountain waste of flax seed, mix with wet river sand and be placed in ventilation and preserve, stand-by;
2) by the seed emerge in worm water of red back of the body mountain waste of flax, take out and be seeded on seedbed, broadcast rear earthing, trickle maintenance, keep seedbed moistening;
3) until mountain waste of flax seed start germinate and seedling height of seedling 6 ~ 8cm time, shift out and proceed in nutritious bag, and cultivate under being placed in shading screen, trickle maintenance, to its height of seedling 50 ~ 70cm, obtain can for transplant red back of the body mountain waste of flax seedling.
As a further improvement on the present invention, the soil in nutritious bag is made up of according to mass ratio 6:3:1 soil moved in improve the original, peat soil, coconut palm chaff, and the shading rate of shading screen is 70%.
As a further improvement on the present invention, plant plant hole and be of a size of 20cm × 20cm × 15cm.
Soil moved in improve the original makes a general reference loam (sandy loam) of good quality or artificial soil.As a further improvement on the present invention, the topsoil retained when soil moved in improve the original is slope excavating, to make full use of own soil, reduces cost of transportation and adopts the secondary environmental disruption made from local methods.
As a further improvement on the present invention, limestone slope arranges fence, afterwards soil moved in improve the original and water are mixed into mud, mud is injected in side slope to backfill soil moved in improve the original.Be conducive to mechanical work like this, raise the efficiency.
the limestone slope greening of embodiment highway
1) put seedbed in order in advance, flattened in seedbed, bar is apart from 20cm, vertically hung scroll 8cm, ditch depth 5cm;
2) seed of red back of the body mountain waste of flax is soaked 4 hours by the normal-temperature water of 30 DEG C, filtered by water and take out seed and be sowed on seedbed, every square metre of sowing 50 ~ 60g, broadcasts rear earthing and is about 1cm, straw in coverings, and maintenance trickle, makes ground moistening;
3) broadcast latter about 16 days seeds to start to germinate, treat that height of seedling 6 ~ 8cm shifts out and proceed in nutritious bag, the nutrient component in nutritious bag is normal soil 3kg, peat soil 1kg, composite fertilizer (commercially available, containing N, P, K) 0.25kg, being placed in light transmittance is cultivate under the shading screen of 70%, strengthens trickle management;
4) in limestone slope, the soil moved in improve the original that at least 10cm is thick is manually backfilled, the topsoil retained when soil moved in improve the original is and utilizes slope excavating;
5) height of seedling is about 60cm, removes blade, the red back of the body mountain waste of flax of nutritious bag puts into the plantation cave being mixed with compoiste fertilizer, plantation cave is of a size of 20cm × 20cm × 15cm, 1 ~ 2 strain/m
2;
6) by Bermuda grass (
cynodondactylon) 4g/m
2, pigeonpea (
cajanuscajan) 8g/m
2mix with mistake 10 order soil, sow grass seeds by duster in the side slope of backfill soil with hydraulic sprinkle machine, sow grass seeds by duster thickness 2cm;
7) use non-textile mulch, prevent wind, heavy rain drenches, shield.
Through the growth of 1 year, limestone slope was covered by Bermuda grass, pigeonpea, red back of the body mountain waste of flax, full of green.
The non-woven fabrics used in above-described embodiment is a kind of polypropylene (PP material) pellet is raw material, batches continuous one-step produce through high-temperature fusion, spray silk, paving guiding principle, hot pressing.Be environment-friendly materials of new generation, there is (1) elastic force good, (2) air permeable waterproof, pliable and tough, not combustion-supporting, (3) insulation, moisturizing, (4) environmental protection, nonpoisonous and tasteless, and the advantages such as low price.At outdoor environment about through 90 days by natural decomposition, decompose in indoor environment 8 years, nontoxic during burning, tasteless and leave over material without any, free from environmental pollution, be a kind of commercially available prod.
Bermuda grass of the present invention (
cynodondactylon), red back of the body mountain waste of flax (
alchorneatrewioides), pigeonpea (
cajanuscajan) growth rate is exceedingly fast, Bermuda grass about broadcasts latter 45 days can cover side slope, height of tree 2-3m after pigeonpea grows 1 year, leading thread 3-4cm, hat width 120-200cm, red back of the body mountain waste of flax grows 1 year about 80-100cm, , branch is obvious, greening success rate is high, convenient operation, be easy to apply, afforestation effect is excellent, ecology and the landscape effect of greening can be reached rapidly, not only can noise in absorbing environmental, the dust flown upward can also be adsorbed, and do not need special nursing, therefore, the greening of Limestone Mountain Areas expressway slope can be widely used in, what also can be used for that limestone massif gets after stone is multiple green, there is extraordinary application prospect.
The requirement of the inventive method to weather is lower, and as in In Guangdong Province, 3 ~ 10 monthlyly implement.Certainly, in order to ensure success rate, preferably carrying out in rainy season, the operation of manually watering can be reduced like this, be conducive to saving manually.In order to avoid initial stage water and soil loss too seriously causes afforesting unsuccessfully, carrying out, in the operation of afforesting, should heavy rain being avoided.
Claims (6)
1. a greening method for limestone slope, comprises the steps:
1) in limestone slope, be backfilled to the thick soil moved in improve the original of few 10cm, while backfill soil moved in improve the original, watering compacting, makes ground moistening, and then in side slope, excavation is planted plant hole and insert compoiste fertilizer in kind of plant hole;
2) implanted in kind of plant hole by red back of the body mountain waste of flax seedling, planting density is 1 ~ 2 strain/m
2, by Bermuda grass seed, Cajanus cajan seeds sowing on side slope soil moved in improve the original, the thickness of sowing of Bermuda grass seed is 3 ~ 5g/m
2, the thickness of sowing of Cajanus cajan seeds is 6 ~ 10g/m
2, keep ground moistening, and with non-textile mulch, prevent wind, heavy rain pouring and tan by the sun;
3) after seed sprouting, the growth of red back of the body mountain waste of flax seedling, greening side slope is completed;
Wherein, the breeding method of red back of the body mountain waste of flax seedling comprises the steps:
A) collect red back of the body mountain waste of flax seed, mix with wet river sand and be placed in ventilation and preserve, stand-by;
B) by the emerge in worm water 3 ~ 5 hour of the seed of red back of the body mountain waste of flax with 27 ~ 32 DEG C, take out and be seeded on seedbed, broadcast rear earthing, trickle maintenance, keep seedbed moistening;
C) until mountain waste of flax seed start germinate and height of seedling 6 ~ 8cm time, shift out and proceed in nutritious bag, soil in nutritious bag is made up of according to mass ratio 6:3:1 soil moved in improve the original, peat soil, coconut palm chaff, and to be placed in shading rate be cultivate under the shading screen of 70%, trickle maintenance, to its height of seedling 50 ~ 70cm, obtaining can for the red back of the body mountain waste of flax seedling of transplanting.
2. greening method according to claim 1, is characterized in that: the height of seedling of red back of the body mountain waste of flax seedling is 50 ~ 70cm.
3. greening method according to claim 1, is characterized in that: Bermuda grass seed, Cajanus cajan seeds and granularity are not more than 10 object soil moved in improve the originals and mix, and sow grass seeds by duster afterwards with spray seeder, and sow grass seeds by duster thickness 1.5 ~ 2.5cm.
4. greening method according to claim 1, is characterized in that: plant plant hole and be of a size of 20cm × 20cm × 15cm.
5. greening method according to claim 1, is characterized in that: the topsoil retained when soil moved in improve the original is slope excavating.
6. greening method according to claim 1, is characterized in that: in limestone slope, arrange fence, backfills soil moved in improve the original afterwards.
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| CN201310466082.4A CN103535129B (en) | 2013-10-09 | 2013-10-09 | A kind of greening method of limestone slope |
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| CN103535129B true CN103535129B (en) | 2016-04-06 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104255250B (en) * | 2014-09-18 | 2016-06-01 | 中国科学院地球化学研究所 | The method of dolomite hillside fields cultivated plant |
| CN104737738B (en) * | 2014-12-04 | 2017-05-24 | 中国科学院华南植物园 | Method of greening bare slope by utilizing local herbaceous plants |
| CN106358694A (en) * | 2016-08-30 | 2017-02-01 | 广西极地绿化有限公司 | Method for quickly greening stony deserted mountain |
| CN106576474A (en) * | 2016-11-21 | 2017-04-26 | 广西路桥工程集团有限公司 | Efficient ecological restoration method for slope in South China |
| CN106631616A (en) * | 2017-01-04 | 2017-05-10 | 深圳市北林苑景观及建筑规划设计院有限公司 | Formula and preparation method for planting soil on high and steep rock slope |
| CN107409524A (en) * | 2017-05-11 | 2017-12-01 | 广西师范大学 | A kind of method for carrying out rapid vegetation restoration to abandoned quarry using red back of the body mountain waste of flax |
| CN108207463A (en) * | 2017-12-29 | 2018-06-29 | 湖南玖恪土壤与环境科技有限公司 | A kind of greening method in Karst District in Southwest China Shi Sheng habitats |
| CN110169308A (en) * | 2019-07-04 | 2019-08-27 | 中国水利水电第四工程局有限公司 | A kind of high mountain hills area wind power plant sandy soil greening recovery construction method |
| CN110521323B (en) * | 2019-09-29 | 2022-02-01 | 南京林业大学 | Method for efficiently and quickly spraying locust trees on exposed shale rock wall to restore green and improve soil pH value |
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| CN102057825A (en) * | 2010-10-12 | 2011-05-18 | 中国科学院华南植物园 | Method for afforesting completely-weathered aleurolite side slope by utilizing native plants |
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