CN109892058A - A kind of method of the secondary improvement of soil in coastal region road dividing strip - Google Patents
A kind of method of the secondary improvement of soil in coastal region road dividing strip Download PDFInfo
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- CN109892058A CN109892058A CN201711303889.0A CN201711303889A CN109892058A CN 109892058 A CN109892058 A CN 109892058A CN 201711303889 A CN201711303889 A CN 201711303889A CN 109892058 A CN109892058 A CN 109892058A
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- soil
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- dividing strip
- woven fabrics
- leaching
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Abstract
The present invention provides a kind of method of the secondary improvement of soil in coastal region road dividing strip, include the following steps: the leaching ditch that salt discharge 1) is excavated among dividing strip, the depth for drenching ditch is 45~85cm, and width is 20~40cm；2) after ditching, an organic matter column is made a call at interval of 8~12m in leaching ditch；3) non-woven fabrics then is spread in leaching ditch, non-woven fabrics is fixed on the side wall of leaching ditch；4) stone nitre and blind pipe are backfilled, drenching layer is formed；5) after the drenching layer drenched in ditch has backfilled, with the entire drenching layer of non-woven wraps and fixed non-woven fabrics；6) soil layer on backfill leaching ditch.This method is constructed to aerial plant root system by underground engineering and builds suitable space, grows its root system preferably, not only can be reduced by earth work bring fugitive dust, can also be economized the land resource with rapid construction in this way.
Description
Technical field
The invention belongs to technical field of land improvement, secondary more particularly, to soil in a kind of coastal region road dividing strip
The method of improvement.
Background technique
Road is strip planting to occupy important role in entire roadside greening system, but in sea front especially river
The PORT OF HUANGHUA Bei Sheng is domestic, and road dividing strip implants growing way is barely satisfactory.Replacement aerial plant not can guarantee plant yet every year
Survival rate up to 80%, waste a large amount of manpower, material resources and financial resources.Wherein reason mainly has at following 3 points for analysis: 1, salt discharge conceptual design
It is stereotyped, it is not referring especially to standard with plant growth；2, after soil moved in improve the original improvement, soil is caused to occur because salt discharge is not in place secondary
Salination phenomenon is serious；3, late maintaining does not recognize the importance of water management.How soil is improved, is become urgently
Problem to be solved；Especially to having done salt discharge, but effect is bad, and saliferous secondary improvement work occurs for later period soil
Journey.
Summary of the invention
In view of this, the present invention is directed to propose in a kind of coastal region road dividing strip the secondary improvement of soil method, with
Overcome the deficiencies in the prior art guarantees the strip planting effect of strand region road and saves various resources.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The method of the secondary improvement of soil, includes the following steps: in a kind of coastal region road dividing strip
1) the leaching ditch that salt discharge is excavated among dividing strip, the depth for drenching ditch is 45~85cm, and width is 20~40cm；Drench ditch
In take on native depth base area depending on vegetation root system growing space and required earth volume；
2) after ditching, an organic matter column is made a call at interval of 8~12m in leaching ditch；Organic matter column is process using stalk,
Lower part density is greater than top density, decomposes over time after being driven underground.Playing water suction, Water storage while conditioned soil
Earth character.
3) non-woven fabrics then is spread in leaching ditch, non-woven fabrics is fixed on the side wall of leaching ditch；
4) stone nitre and blind pipe are backfilled, drenching layer is formed；
5) after the drenching layer drenched in ditch has backfilled, with the entire drenching layer of non-woven wraps and fixed non-woven fabrics；
6) soil layer on backfill leaching ditch.
Non-woven fabrics is layered in leaching ditch first, and three faces are laid with then its interior filling rubble nitre, then are wrapped up with non-woven fabrics
It fixes, the non-woven fabrics that upper layer is laid with is indicative function, sees that this layer of non-woven fabrics cannot be dug down when machinery mixes, then dig
Drenching layer will be destroyed.
Preferably, in step 1), the depth for drenching ditch is 50cm or 70cm；In step 2), interval 10m makes a call to an organic matter
Column；
Preferably, the specification of non-woven fabrics used in step 3) is 60-100g/m2；In step 4), the thickness of drenching layer in ditch is drenched
Degree is 10-40cm；Its interior laying double-wall corrugated pipe of stone nitre；Preferably, drenching layer with a thickness of 30cm.
Preferably, in step 3), non-woven fabrics is fixed on leaching ditch with bamboo stick；In step 5), after backfill, by the bamboo stick of side wall
It removes, after then the bilateral of drenching layer is wrapped up, fixed non-woven fabrics；Preferably, non-woven fabrics is fixed with iron wire.
Preferably, further include step 7), on the soil flattened, apply improving fertilizer, carry out rotary tillage and mix；Improving fertilizer
With a thickness of the 18~22% of rotary tillage depth；Preferably, 20%.
Preferably, the improving fertilizer is the acid improving fertilizer containing acive calcium ion.
It preferably, further include conditioner, the conditioner includes corn stover, cotton stalk, garden waste, mountain skin
Sand, organic fertilizer, and corn stover, cotton stalk, garden waste, mountain skin sand, organic fertilizer account for the volume ratio of the entire soil body respectively
It is 6~9%, 6~9%, 4~6%, 9~11%, 5~7%；Preferably, corn stover, cotton stalk, garden waste, mountain
The volume ratio that skin sand, organic fertilizer account for the entire soil body respectively is 7.5%, 7.5%, 5%, 10%, 6%.
Preferably, further include that step 8) gets several small furrow, poured, 8~12m；Width is 0.8~1.2m, is used
Intermittence is poured, and water and soil ratio is 1.2: 1~0.9: 1.Preferably, small furrow length is 10m；Width is 1m.
Compared with the existing technology, in coastal region road dividing strip of the present invention the secondary improvement of soil method, tool
There is following advantage:
(1) method of the present invention guarantees the strip planting effect of strand region road and saves various resources, our
Method provides a kind of secondary mode of ameliorating of new soil, and this method is constructed to the construction of aerial plant root system by underground engineering and is suitable for
Space grows its root system preferably, can not only be reduced by earth work bring fugitive dust, also with rapid construction in this way
It can economize the land resource.
(2) method of the present invention, did salt discharge before primarily directed to those but engineering measure is not carried out and do not had
The engineering that salt discharge depth is arranged by plant root growth situation for base area makes soil moved in improve the original that secondary salinization occur.Consider dividing strip
The convenient and last engineering effort of interior integral construction adds salt discharge leaching ditch on the basis of original salt discharge, accelerates soil salt row
Out.Project amount is reduced, working efficiency is improved, shortens the construction period.
Detailed description of the invention
Fig. 1 is the sectional view of the secondary improvement of soil in dividing strip；
Fig. 2 is the organic matter column figure of soil.
1, original soil；2, ditch is drenched；3, drenching layer；4, organic matter column；5, former drenching layer.
Specific embodiment
In addition to being defined, technical term used in following embodiment has universal with those skilled in the art of the invention
The identical meanings of understanding.Test reagent used in following embodiment is unless otherwise specified conventional biochemical reagent；It is described
Experimental method is unless otherwise specified conventional method.
Below with reference to embodiment, the present invention will be described in detail.
It finds in engineering practice, some engineering entirety salt discharge designs are without reference to detailed level of ground water height, salt discharge
Thickness degree etc. causes soil that secondary salinization occurs.Soil soil moved in improve the original depth is mostly 1m in coastal region road dividing strip, and on the ground
Selection plant is commonly undershrub in portion, possible on such Theroy of Engineering Design, but in the actual operation process often due to
Variation the reason of (street lamp, direction board) of salt discharge well position causes effectively collect rain sewage in salt discharge well, as season becomes
Change, salinity also rises at regular formula in soil, finally influences plant survival.
Based on this status, adjusting soil in rows of plants salt layer height and dividing strip and carrying out original soil improvement is that quick solution is existing
The key point of shape.
Technical solution is: definitely upper floristics, and undershrub or draft improvement depth of soil are 50cm, dungarunga improvement
Depth is 70cm.
On original desalting system (general soil moved in improve the original depth 1m, under have laying drenching layer).50cm/70cm leaching ditch deeply is opened, it is wide
Degree is 30cm, and leaching bank dividing strip length direction extends.After trench digging, one, organic matter column is beaten at interval of 10m.Rule are spread in ditch
Lattice are 100g/m2Non-woven fabrics is fixed on the side wall of leaching ditch by non-woven fabrics with bamboo stick；Stone nitre and row that depth of cracking closure is 30cm afterwards
Water blind pipe (its interior laying double-wall corrugated pipe of stone nitre), after bamboo stick is removed, it is wrapped up, blind pipe terminal in ditch will be drenched and introduce salt discharge
In well, layer of non-woven fabric or sunshade net are spread on it, finally backfills original soil.Due to soil moved in improve the original because salt discharge is not in place, soil is coastal
Area is easy to happen secondary salinization, and salinity is gathered in surface, and soil salt content may be up to 1%, damages to plant.It is this
After underground structure adjustment, secondary salinity can be excluded by pouring mode, release Soil Salt Stress.
On the soil flattened, improving fertilizer is applied, rotary tillage is carried out and mixes；Improving fertilizer with a thickness of rotary tillage depth
20%.
Effect:, can using such salt discharge structure in the road separator of the generation secondary salinization of existing salt discharge engineering
To accelerate the process of soil improvement, and meet civilized construction, environmental requirement.
Further include conditioner be corn stover, cotton stalk, garden waste, mountain skin sand, organic fertilizer, and corn stover,
The volume ratio that cotton stalk, garden waste, mountain skin sand, organic fertilizer account for the entire soil body respectively is 7.5%, 7.5%, 5%,
10%, 6%.
Several small furrow are got, are poured, small furrow 10m*1m is poured using intermittence, and water and soil ratio is 1: 1.
Secondary improvement is carried out to soil in road dividing strip, desired effect soil salt content is finally reached and is down to from 1%
0.3%；The survival rate of plant () reaches 90%.
The upper only presently preferred embodiments of the present invention, is not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of method of the secondary improvement of soil in coastal region road dividing strip, characterized by the following steps:
1) the leaching ditch that salt discharge is excavated among dividing strip, the depth for drenching ditch is 45~85cm, and width is 20~40cm；Drench bank point
Extend every strip length direction；
2) after ditching, an organic matter column is made a call at interval of 8~12m in leaching ditch；
3) non-woven fabrics then is spread in leaching ditch, non-woven fabrics is fixed on the side wall of leaching ditch；
4) stone nitre and blind pipe are backfilled, drenching layer is formed；
5) after the drenching layer drenched in ditch has backfilled, with the entire drenching layer of non-woven wraps and fixed non-woven fabrics；
6) soil layer on backfill leaching ditch.
2. the method for the secondary improvement of soil in coastal region road dividing strip according to claim 1, it is characterised in that: step
It is rapid 1) in, drench ditch depth be 50cm or 70cm；In step 2), interval 10m makes a call to an organic matter column.
3. the method for the secondary improvement of soil in coastal region road dividing strip according to claim 1, it is characterised in that: step
It is rapid 3) used in non-woven fabrics specification be 60-100g/m2；In step 4), drench ditch in drenching layer with a thickness of 10-40cm；Stone nitre
Double-wall corrugated pipe is laid in it；Preferably, drenching layer with a thickness of 30cm.
4. the method for the secondary improvement of soil in coastal region road dividing strip according to claim 1, it is characterised in that: step
It is rapid 3) in, non-woven fabrics with bamboo stick be fixed on leaching ditch on；In step 5), after backfill, the bamboo stick of side wall is removed, then by drenching layer
After bilateral package, fixed non-woven fabrics；Preferably, non-woven fabrics is fixed with iron wire.
5. the method for the secondary improvement of soil in coastal region road dividing strip according to claim 1, it is characterised in that: also
Including step 7), on the soil flattened, improving fertilizer is applied, rotary tillage is carried out and mixes；Improving fertilizer with a thickness of rotary tillage depth
18~22%；Preferably, 20%.
6. the method for the secondary improvement of soil in coastal region road dividing strip according to claim 5, it is characterised in that: institute
Stating improving fertilizer is the acid improving fertilizer containing acive calcium ion.
7. the method for the secondary improvement of soil in coastal region road dividing strip according to claim 5, it is characterised in that: also
Including conditioner, the conditioner includes corn stover, cotton stalk, garden waste, mountain skin sand, organic fertilizer, and corn stalk
Stalk, cotton stalk, garden waste, mountain skin sand, organic fertilizer account for respectively the entire soil body volume ratio be 6~9%, 6~9%, 4~
6%, 9~11%, 5~7%；Preferably, corn stover, cotton stalk, garden waste, mountain skin sand, organic fertilizer account for whole respectively
The volume ratio of a soil body is 7.5%, 7.5%, 5%, 10%, 6%.
8. the method for the secondary improvement of soil in coastal region road dividing strip according to claim 4, it is characterised in that: also
Several small furrow are got including step 8), are poured, small furrow length is 8~12m；Width is 0.8~1.2m, is poured using intermittence
It fills, water and soil ratio is 1.2: 1~0.9: 1；Preferably, small furrow length is 10m；Width is 1m.
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| CN201711303889.0A CN109892058A (en) | 2017-12-11 | 2017-12-11 | A kind of method of the secondary improvement of soil in coastal region road dividing strip |
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| CN201711303889.0A CN109892058A (en) | 2017-12-11 | 2017-12-11 | A kind of method of the secondary improvement of soil in coastal region road dividing strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574303A (en) * | 2020-05-14 | 2020-08-25 | 天津市方正园林建设监理中心 | Saline-alkali soil modifier and preparation method and use method thereof |
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| SU471076A1 (en) * | 1973-06-21 | 1975-05-25 | Среднеазиатский Ордена Трудового Красного Знамени Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства | Ridge method of cotton cultivation |
| CN103718686A (en) * | 2014-01-07 | 2014-04-16 | 北京东方园林股份有限公司 | Partial flow collecting, permeation enhancing and evaporation restraining saline land improvement system and method |
| CN105453749A (en) * | 2016-02-04 | 2016-04-06 | 中国科学院武汉植物园 | Salinization removing system for in-greenhouse cultivation soil |
| CN205883905U (en) * | 2016-06-27 | 2017-01-18 | 深圳市华田园林绿化有限公司 | Saline and alkaline land planting technique system |
| CN106385844A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Method for water saving and salt avoidance |
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2017
- 2017-12-11 CN CN201711303889.0A patent/CN109892058A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU471076A1 (en) * | 1973-06-21 | 1975-05-25 | Среднеазиатский Ордена Трудового Красного Знамени Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства | Ridge method of cotton cultivation |
| CN103718686A (en) * | 2014-01-07 | 2014-04-16 | 北京东方园林股份有限公司 | Partial flow collecting, permeation enhancing and evaporation restraining saline land improvement system and method |
| CN105453749A (en) * | 2016-02-04 | 2016-04-06 | 中国科学院武汉植物园 | Salinization removing system for in-greenhouse cultivation soil |
| CN205883905U (en) * | 2016-06-27 | 2017-01-18 | 深圳市华田园林绿化有限公司 | Saline and alkaline land planting technique system |
| CN106385844A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Method for water saving and salt avoidance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574303A (en) * | 2020-05-14 | 2020-08-25 | 天津市方正园林建设监理中心 | Saline-alkali soil modifier and preparation method and use method thereof |
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Address after: 300171 No. 163, Weiguo Road, Hedong District, Tianjin Applicant after: Beijing blue North Garden (Tianjin) Co., Ltd. Address before: 20 No. 300300 Tianjin District of Dongli City Huaming High-tech Zone Huaming Road Applicant before: Beijing blue North Garden (Tianjin) Co., Ltd. |
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Application publication date: 20190618 |