CN107347426A - A kind of falling zone barricade area vegetation implantation methods - Google Patents

A kind of falling zone barricade area vegetation implantation methods Download PDF

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Publication number
CN107347426A
CN107347426A CN201710742015.9A CN201710742015A CN107347426A CN 107347426 A CN107347426 A CN 107347426A CN 201710742015 A CN201710742015 A CN 201710742015A CN 107347426 A CN107347426 A CN 107347426A
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plant
vegetation
falling zone
nursery stock
root
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冯义龙
先旭东
艾丽皎
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CHONGQING LANDSCAPE AND GARDENING RESEARCH INSTITUTE
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CHONGQING LANDSCAPE AND GARDENING RESEARCH INSTITUTE
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for

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  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The present invention proposes a kind of falling zone barricade area vegetation implantation methods, comprises the following steps:Based on the plant of falling zone, 12 kinds are filtered out suitably in the plant of falling zone plantation;Site preparation is carried out to Ecological Restoration Area, the rubbish such as malignant weed and the polybag of difficult degradation, foam in Ecological Restoration Area is removed, site clearing is targetedly carried out further according to falling zone type and land occupation condition;The vegetation plant time is selected according to hydrological characteristics, is influenceed with reducing the nursery stock death caused by implantation time as far as possible, improves vegetation repair construction quality;Different plant requirements is made according to different type nursery stock, but transplants the same day and pours root water.Its advantage is the reduction of the dead influence of the nursery stock caused by implantation time, improves vegetation repair construction quality, resistance to the flooding property of plant is good, adds the survival rate of vegetation, improves soil environment, be not easy ponding, reduces maintenance cost.

Description

A kind of falling zone barricade area vegetation implantation methods
Technical field
The present invention relates to ecological environmental protection and Treatment process field, and in particular to a kind of falling zone barricade area vegetation plantation Method.
Background technology
Existing barricade is generally concrete casting barricade, and building castoff, gravel, block stone and discarded rammed earth are filled out in groove, Cultivation matrix extreme difference, easy ponding, and edaphic condition is poor, be substantially all category cobble burning into sand and building castoff be compacted to be formed it is hardened Ground, P in soil H values alkalescence, nitrogen, phosphorus, potassium and organic matter all extremely lack, and nutrient is inadequate;Particularly after compaction of soil by machines, its is saturating Water, venting capability are poor, and some are mixed with cement waste, unfavorable root system stretching, extension.Barricade area be to prevent side slope from being washed away, so Domatic upper plant vegetation, protection and effect of both environment are taken into account, has been a kind of effective means.
The content of the invention
To solve the above problems, the present invention proposes a kind of falling zone barricade area vegetation implantation methods.
A kind of falling zone barricade area vegetation implantation methods of the present invention, it is characterised in that comprise the following steps:
S1, based on the plant of falling zone, investigated with reference to hygrophyte inside and outside administrative region of a city, according to pre-stage test experience and falling zone Landscape construction needs, and selects that 18 kinds of well developed root systems, anti-impact brushing force are strong, and there is the wetland plant for necessarily making scape purposes to be used as and planted for examination Thing, resistance to flooding property experiment on the spot is carried out in crossdrift paragraph band, filters out 12 kinds suitably in the plant of falling zone plantation;
S2, site preparation is carried out to Ecological Restoration Area, remove malignant weed and the polybag of difficult degradation, foam in Ecological Restoration Area Deng rubbish, site clearing is targetedly carried out further according to falling zone type and land occupation condition;
S3, the vegetation plant time is selected according to hydrological characteristics, to reduce the nursery stock death shadow caused by implantation time as far as possible Ring, improve vegetation repair construction quality;
S4, due to falling zone land occupation condition it is special, make different plant requirements according to different type nursery stock, but transplant and work as It pours root water.
Further, described filter out 12 kinds suitably include in the plant of falling zone plantation:Nanchuan willow, Chinese ash, autumn Hua Liu, Chinese mosquito be female, small Lai wood, the Hang Zi tips, kans, Ka Kailu, Bermuda grass, Hemarthria compressa, bild blue or green thatch, stem tuber tongue Grass.
Further, it is described site clearing is targetedly carried out according to falling zone type and land occupation condition to include:
S21, the vegetation of alluvial flat type are small gravel habitat in below 165m elevations, are sedimentary clay in more than 165m elevations There is building waste in sand, part location more than 170m elevations, and block stone in building waste is just concentrated into heaps, nursery stock to be transplanted nearby When use;
S22, the vegetation of shallow hills type are small gravel habitat in below 165m elevations, are sedimentary clay in 165-170m elevations Sand, there are two kinds of habitats of block stone and loam more than 170m elevations, in heaps, seedling to be transplanted is concentrated nearby to 170m elevation above block stones Used when wooden;
S23, the vegetation of abrupt slope type are small gravel habitat in below 165m elevations, are block stone habitat in more than 165m elevations; In 165m elevations and 170m elevation interbands, cofferdam is piled up along river direction, or " W " font planting groove is made with wire netting, i.e., Gabion.
Further, it is described to select the vegetation plant time to include according to hydrological characteristics:District of Chongqing in late June be into Enter flood season summer, to continue to September;And reservoir area of Three Gorges in October starts water storage, early November main city water level about 173m, to next year 2 Month water level disappears;According to main city zone hydrological characteristics, vegetation repair engineering vegetation transplants the time most preferably in the first tenday period of a month in March to May.
Further, it is described different plants is made according to different type nursery stock to require to include:
S41, arbor plant require
S411, in order to prevent straw rope from burying decomposed heating, influence seedling root growth, wrap up seedling with native a small bay in a river, release wrapping The straw rope of seedling root;
S412, nursery stock has been managed to root system it is put into planting hole center, in rhizosphere coating soil, tamping;Again in nursery stock soil ball surrounding The 3-4 blocks 8-10cm block stone or cobble that remove corner angle is placed, fixed plant does not rock, and banketing makes soil touch with root system, rams It is real;Earthing again, surface, which is made, encloses mill weir;
S413, pour after root water after the earthing of surface, with the solid soil of pressed block of stone;
S414, reinforced with cedar;
S42, shrub plant require
S421, by nutrition bagged seedlings, nutrient bag bottom is torn before plant;
The long taproot and lateral root of S422, trimming;
S423, the gradient<15 ° shallowerly, nursery stock be put into planting hole center;The gradient>15 ° of hillside fields, nursery stock is put Enter planting hole, seedling root is close to madial wall (upward slope direction), and depth is concordant with ground at primitive root neck after plant;
S424, in the symmetrically placed 2 blocks of block stone in soil ball periphery, fixed plant, earth filling tamping, soil is touched with root system;Again Earthing backfills;
S425, in nursery stock foundation gauge pressure cobble or the solid soil of block stone;
S43, top grass plant require
S431, nursery stock leaned to be put into planting hole surrounding or four direction, it is steady and sure first in rhizosphere coating soil, make soil with Root system touches;The 3-4 blocks 8-10cm block stone for removing corner angle is placed in planting hole or cobble, earth filling tamping, surface are made again Enclose mill weir;
S432, pour surface earthing after root water, pressed block of stone or the solid soil of cobble;
S44, the plant of short vegetation require:With digging with cultivation, earthing is steady and sure after cultivation, pours pressed block of surface stone or ovum after root water The solid soil of stone.
Further, described gabion application method is:Wire netting is first buried in the earth 30~40cm, then by iron wire Then the rectangular slab of stone or cobble are loaded in wire netting into column, finally suture interface with thin wire, transplanted for shrub or top grass by net volume Use;Unnecessary block of stone is concentrated in heaps stand-by nearby.
Further, for cave-shaped site preparation, alluvial flat type and shallow hills type falling zone use the method that described site preparation uses Square hole method or circular hole method, abrupt slope type falling zone use fish scale hole method;Arbor species site preparation specification be about 0.8m × 0.8m × 0.6m, shrub species site preparation specification are about 0.4m × 0.4m × 0.3m.
A kind of beneficial effect of falling zone barricade area vegetation implantation methods of the present invention by carrying out site preparation to Ecological Restoration Area, The plant time is chosen, each period after the selection and plant to different type nursery stock require different and transplanted Foster and manage and protect, reduce that the nursery stock caused by implantation time is dead to be influenceed, improve vegetation repair construction quality, resistance to the flooding property of plant It is good, the survival rate of vegetation is added, improves soil environment, is not easy ponding, reduces maintenance cost.
Brief description of the drawings
Accompanying drawing 1 disappears for a kind of reservoir area of Three Gorges water level of falling zone barricade area vegetation implantation methods of the present invention falls curve signal Figure.
Embodiment
A kind of falling zone barricade area vegetation implantation methods of the present invention are made with specific embodiment below in conjunction with the accompanying drawings further Explanation.
Based on the plant of falling zone, investigated with reference to hygrophyte inside and outside administrative region of a city, according to pre-stage test experience and falling zone scape Seeing to build needs, and selects that 18 kinds of well developed root systems, anti-impact brushing force are strong, and there is the wetland plant for necessarily making scape purposes to be used as and planted for examination Thing, resistance to flooding property experiment on the spot is carried out in crossdrift paragraph band, filters out 12 kinds suitably in the plant of falling zone plantation;Nanchuan willow, maple Poplar, Salix variegata, Chinese mosquito be female, small Lai wood, the Hang Zi tips, kans, Ka Kailu, Bermuda grass, Hemarthria compressa, bild blue or green thatch, block Stem sedge etc..Its growth type, introduce a fine variety source and nursery stock specification refers to table 1.
Table 1 tests nursery stock specification
Site preparation is carried out to Ecological Restoration Area, removes malignant weed and the polybag of difficult degradation, foam etc. in Ecological Restoration Area Rubbish, site clearing is targetedly carried out further according to falling zone type and land occupation condition.The vegetation of alluvial flat type 165m with Lower elevation is small gravel habitat, is silt sediment in more than 165m elevations, and there is building waste in part location more than 170m elevations, It is in heaps with regard to block stone in building waste is concentrated nearby, used when nursery stock is transplanted;The vegetation of shallow hills type is in below 165m elevations It is silt sediment in 165-170m elevations for small gravel habitat, there are two kinds of habitats of block stone and loam more than 170m elevations, it is right 170m elevation above block stones are concentrated in heaps nearby, are used when nursery stock is transplanted;The vegetation of abrupt slope type is small in below 165m elevations Gravel habitat, it is block stone habitat in more than 165m elevations.In 165m elevations and 170m elevation interbands, pile up and enclose along river direction Weir, or make " W " font planting groove, i.e. gabion with wire netting.Gabion application method is:First wire netting is embedded to 30~40cm in soil, then wire netting is rolled into column, then the rectangular slab of stone or cobble are loaded in wire netting, finally sutured with thin wire Interface, used for shrub or top grass plant;Unnecessary block of stone is concentrated in heaps stand-by nearby;The method that site preparation uses for cave-shaped site preparation, Alluvial flat type and shallow hills type falling zone use square hole method or circular hole method, and abrupt slope type falling zone uses fish scale hole Method.Arbor species site preparation specification is about 0.8m × 0.8m × 0.6m, and shrub species site preparation specification is about 0.4m × 0.4m × 0.3m.
Accompanying drawing 1 disappears for a kind of reservoir area of Three Gorges water level of falling zone barricade area vegetation implantation methods of the present invention falls curve signal Figure.The vegetation plant time is selected according to hydrological characteristics, is influenceed with reducing the nursery stock death caused by implantation time as far as possible, is improved and plant It is repaired construction quality;6-September is low water level control period.Summer opens a sluice gate waterproof, reservoir level in order to control flood, in reservoir in flood period It is maintained at 145m lowest water level.Overboard to start from October but Upper Yangtze River flood season, which rises, generally begins at May, maximum flood occurs In 7-August, flood will make reservoir water level short-term fluctuation occur.Within flood season, 145-160m of falling zone bottom or so areas Often flooded in short term by flood is relatively rapid.Three Gorges Reservoir upstream water level is about 110-120 days in 145m retention time. 10-November is the water level rapid rising stage.Annual flood in October end, reservoir start water storage, and water level rises rapidly.In about 30-60 days, Reservoir rapidly rises to 175m by 145m.To mid-October, water level rises to 155m, now the Changjiang river backwater to Kowloon Po Longgang small streams Near, Jia Lingjiang River backwater is to cutting near a beam.Late October, water level rise to 165m.Late November, rising of groundwater level to 175m, Backwater is to Jiangjin premium fort (the Changjiang river) and dam of northern a word used in place name summer (Jia Lingjiang River).December is front and rear for the high water level holding phase.Late November is to 12 Or so the end of month, reservoir level are stably held in 175m, are reservoir level highest periods.Below 175m soil will all be flooded Not yet, waters, duration about 35-40 days are turned into.1-April is that water level slowly declines the phase.Annual April January to next year is Dry season, two Phase flow fall sharply and a large amount of consumption of generating water under, reservoir level slowly declines, and mid-February drops to 165m, but because peak load regulation network and shipping need to maintain higher level as far as possible, preceding reservoir level is not less than 155m by the end of April.In this phase Between, reservoir level slowly drops to 155m by 175m.The end of month (the beginning of June) is soars storage capacity by the end of April -5, reservoir level by 155m is further reduced to 145m.Reservoir level is slowly declined to 145m by 175m, lasts about 140 days.
District of Chongqing enters flood season summer in late June, typically to continue to September;And reservoir area of Three Gorges in October starts to store Water, early November main city water level about 173m, disappear to 2 months next year water level;According to main city zone hydrological characteristics, vegetation repair engineering is planted By the plant time most preferably in the first tenday period of a month in March to May.
Three Gorges Region in Chongqing main city zone falling zone is the falling zone that Mountainous City couples with valley type reservoir, and the gradient is big (more Number between 10 °~30 °, some be beach gently, some are more than 40 ° abrupt slopes), river degradation power is stronger.According to landforms Falling zone can be divided into 5 species such as alluvial flat type, Pingba terrace type, shallow mound shelving, valley cliff type, alluviation island-shaped by form Type, mainly there are the habitats such as block stone, gravel, rock, loam, alluvial soil.Especially urbanization process is accelerated in recent years, main City waterfront area city construction engineering increases, unreasonable agricultural development utilization, human activity frequently etc. reason, cause falling zone to be planted Coated cover degree declines, and urban architecture waste increases, severe water and soil erosion, and bare area area increases, and riverine part location is by rubbish Sewage pollution etc., matrix condition changes greatly.
Because falling zone land occupation condition is special, different plant requirements is made according to different type nursery stock, but transplant the same day Pour root water;Arbor plant requires:1. in order to prevent straw rope from burying decomposed heating, seedling root growth is influenceed, with native a small bay in a river Seedling is wrapped up, releases the straw rope of wrapping seedling root;2. nursery stock has been managed into root system is put into planting hole center, in rhizosphere coating soil, smash It is real;The 3-4 blocks 8-10cm block stone or cobble that remove corner angle is placed in nursery stock soil ball surrounding again, fixed plant does not rock, banketed Soil is set to touch with root system, compacting;Earthing again, surface, which is made, encloses mill weir;3. pour after root water after the earthing of surface, with pressed block of stone Gu soil;4. reinforced with cedar.
Shrub plant requires:1. by nutrition bagged seedlings, nutrient bag bottom is torn before plant;2. trim long main root and Lateral root;3. the gradient<15 ° shallowerly, nursery stock be put into planting hole center;The gradient>15 ° of hillside fields, nursery stock is put into plant Cave, seedling root are close to madial wall (upward slope direction), and depth is concordant with ground at primitive root neck after plant;4. symmetrically put on soil ball periphery 2 blocks of block stones are put, fixed plant, earth filling tamping, soil is touched with root system;Earthing backfills again;5. in nursery stock foundation gauge pressure ovum Stone or the solid soil of block stone.
Top grass plant requires:Planting hole surrounding or four direction are put into 1. nursery stock is leaned to, first in rhizosphere coating soil, is stepped on It is real, soil is touched with root system;The 3-4 blocks 8-10cm block stone or cobble that remove corner angle is placed in planting hole again, banket rammer Real, surface, which is made, encloses mill weir;2. surface earthing after root water is poured, pressed block of stone or the solid soil of cobble.
The plant of short vegetation requires that earthing is steady and sure after cultivation with digging with cultivation, pours pressed block of surface stone or cobble after root water and consolidates Soil.
Test plant sets processing by nature altitudinal gradient, and 1 processing, various tall, shrubs are set per 1m absolute elevations Transplanted with top grass since 163m elevations, altogether 16 processing;Each processing, if 3 repetitions, short draft plant inter-planting its Between.
According to test plant introduces a collection situation, each floristics plant quantity is different, is specially:Chinese mosquito is female, long Leaf water fiber crops, Qiu Hualiu, small Lai wood, Chinese littleleaf box leaf honeysuckle, card open 24 plants of reed, matrimony vine, metasequoia, Chinese ash, 15 plants of the Hang Zi tips, Nanchuan willow, 12 plants of taxodium ascendens, 8 plants of M. laxiflora, 24 plants of kans, vetiver;Transplanted using fish-scale pit, the deep about 30~50cm in fish-scale pit, Spacing in the rows about 50cm;And draft such as stem tuber sedge, Bermuda grass, Hemarthria compressa are transplanted by 2-4m2 areas.
It is early, middle and late daily to observe water level three times, water flooding gradient is recorded, counts flood season summer, winter water storage respectively Phase respectively handles the Submergence time of test plant, floods degree to analyze the resistance to of plant.
After tall, shrub field planting survives, once every three days, record death condition (i.e. natural death number), water logging situation is observed, Record is by plant number that current wash away, drowned plant number and survives plant number, counts the survival rate of different disposal test plant, One of foundation as foliage filter screening, and during waterflooding observe plant yellow leaf, fallen leaves and deadwood situation, record water step back plant Strain sprout tillers, the growth recovery situation such as turn green;Wherein, survival rate=survive strain number/plant number × 100%.After draft field planting survives, Record growing state (using coverage as standard) and water logging situation.
Obviously, a kind of beneficial effect of falling zone barricade area vegetation implantation methods of the present invention to Ecological Restoration Area by carrying out Site preparation, the plant time is chosen, the selection and plant to different type nursery stock are every after requiring different and being transplanted Fostering for individual period is managed and protected, and is reduced the dead influence of the nursery stock caused by implantation time, is improved vegetation repair construction quality, plant Resistance to flooding property is good, adds the survival rate of vegetation, improves soil environment, be not easy ponding, reduces maintenance cost.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it all should include Within protection scope of the present invention.

Claims (7)

1. a kind of falling zone barricade area vegetation implantation methods, it is characterised in that comprise the following steps:
S1, based on the plant of falling zone, investigated with reference to hygrophyte inside and outside administrative region of a city, according to pre-stage test experience and falling zone landscape Building needs, and selects that 18 kinds of well developed root systems, anti-impact brushing force are strong, has and necessarily makes the wetland plant of scape purposes as test plant, Resistance to flooding property experiment on the spot is carried out in crossdrift paragraph band, filters out 12 kinds suitably in the plant of falling zone plantation;
S2, site preparation is carried out to Ecological Restoration Area, remove the rubbish such as malignant weed and the polybag of difficult degradation, foam in Ecological Restoration Area Rubbish, site clearing is targetedly carried out further according to falling zone type and land occupation condition;
S3, the vegetation plant time is selected according to hydrological characteristics, influenceed, carried with reducing the nursery stock death caused by implantation time as far as possible High vegetation repair construction quality;
S4, due to falling zone land occupation condition it is special, make different plant requirements according to different type nursery stock, but transplant the same day Pour root water.
2. falling zone barricade area vegetation implantation methods according to claim 1, it is characterised in that:Described filter out 12 Kind suitably includes in the plant of falling zone plantation:Nanchuan willow, Chinese ash, Salix variegata, Chinese mosquito be female, small Lai wood, the Hang Zi tips, sweet tea root Grass, Ka Kailu, Bermuda grass, Hemarthria compressa, bild blue or green thatch, stem tuber sedge.
3. falling zone barricade area vegetation implantation methods according to claim 1 or 2, it is characterised in that:Described basis disappears Falling belt type and land occupation condition and targetedly carrying out site clearing includes:
S21, the vegetation of alluvial flat type are small gravel habitat in below 165m elevations, are silt sediment in more than 165m elevations, portion There is building waste in point location more than 170m elevations, just will concentrate in heaps by block stone in building waste, and make when nursery stock is transplanted nearby With;
S22, the vegetation of shallow hills type are small gravel habitat in below 165m elevations, are silt sediment in 165-170m elevations, More than 170m elevations have two kinds of habitats of block stone and loam, 170m elevation above block stones are concentrated nearby it is in heaps, when nursery stock is transplanted Use;
S23, the vegetation of abrupt slope type are small gravel habitat in below 165m elevations, are block stone habitat in more than 165m elevations; 165m elevations and 170m elevation interbands, cofferdam is piled up along river direction, or " W " font planting groove, i.e. lattice are made with wire netting Guest's net cage.
4. falling zone barricade area vegetation implantation methods according to claim 3, it is characterised in that:Described is special according to the hydrology The sign selection vegetation plant time includes:District of Chongqing enters flood season summer in late June, to continue to September;And Three Gorges in October Reservoir area starts water storage, early November main city water level about 173m, disappears to 2 months next year water level;According to main city zone hydrological characteristics, vegetation Recovery project vegetation transplants the time most preferably in the first tenday period of a month in March to May.
5. falling zone barricade area vegetation implantation methods according to claim 4, it is characterised in that described according to inhomogeneity Type nursery stock makes different plants and required to include:
S41, arbor plant require
S411, in order to prevent straw rope from burying decomposed heating, influence seedling root growth, seedling wrapped up with native a small bay in a river, release wrapping nursery stock The straw rope of root system;
S412, nursery stock has been managed to root system it is put into planting hole center, in rhizosphere coating soil, tamping;Placed again in nursery stock soil ball surrounding The 3-4 blocks 8-10cm block stone or cobble that remove corner angle, fixed plant do not rock, and banketing makes soil touch with root system, compacting;Again Earthing, surface, which is made, encloses mill weir;
S413, pour after root water after the earthing of surface, with the solid soil of pressed block of stone;
S414, reinforced with cedar;
S42, shrub plant require
S421, by nutrition bagged seedlings, nutrient bag bottom is torn before plant;
The long taproot and lateral root of S422, trimming;
S423, the gradient<15o shallowerly, nursery stock be put into planting hole center;The gradient>15o hillside fields, nursery stock is put into cultivation Plant hole, seedling root are close to madial wall(Upward slope direction), depth is concordant with ground at primitive root neck after plant;
S424, in the symmetrically placed 2 blocks of block stone in soil ball periphery, fixed plant, earth filling tamping, soil is touched with root system;Earthing again Backfill;
S425, in nursery stock foundation gauge pressure cobble or the solid soil of block stone;
S43, top grass plant require
S431, nursery stock is leaned to it is put into planting hole surrounding or four direction, it is steady and sure first in rhizosphere coating soil, make soil and root system Contiguity;The 3-4 blocks 8-10cm block stone or cobble that remove corner angle is placed in planting hole again, earth filling tamping, surface, which is made, encloses water Weir;
S432, pour surface earthing after root water, pressed block of stone or the solid soil of cobble;
S44, the plant of short vegetation require:With digging with cultivation, earthing is steady and sure after cultivation, pours pressed block of surface stone or cobble after root water and consolidates Soil.
6. falling zone barricade area vegetation implantation methods according to claim 5, it is characterised in that:Described gabion makes It is with method:Wire netting is first buried in the earth 30~40cm, then wire netting is rolled into column, the rectangular slab of stone or cobble are then loaded into iron In silk screen, interface finally is sutured with thin wire, is used for shrub or top grass plant;Unnecessary block of stone is concentrated in heaps stand-by nearby.
7. falling zone barricade area vegetation implantation methods according to claim 6, it is characterised in that:What described site preparation used Method is cave-shaped site preparation, and alluvial flat type and shallow hills type falling zone use square hole method or circular hole method, and abrupt slope type, which disappears, to fall Band uses fish scale hole method;Arbor species site preparation specification is about 0.8m × 0.8m × 0.6m, and shrub species site preparation specification is about 0.4m×0.4m×0.3m。
CN201710742015.9A 2017-08-25 2017-08-25 A kind of falling zone barricade area vegetation implantation methods Pending CN107347426A (en)

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Application publication date: 20171117