CN103609386B - Muddy coastal zone plant groove or plant hole afforestation method - Google Patents
Muddy coastal zone plant groove or plant hole afforestation method Download PDFInfo
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- CN103609386B CN103609386B CN201310583248.0A CN201310583248A CN103609386B CN 103609386 B CN103609386 B CN 103609386B CN 201310583248 A CN201310583248 A CN 201310583248A CN 103609386 B CN103609386 B CN 103609386B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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Abstract
The invention relates to a muddy coastal zone plant groove or plant hole afforestation method. The method includes the following steps: (1), excavating strip-shaped plant grooves or plant holes for plant cultivation at a reclamation area (dredger fill is sea mud) or a muddy coastal zone planning forest zone building area, and burying an underground pipe; (2), using planting soil in the plant grooves or the plant holes in depth of 60-70cm from the surface layer, laying a blind pipe in a blind pipe trench, backfilling salty soil after externally-wrapping filter materials are filled around the blind pipe fully, and laying a saltpeter layer between a salt soil layer and a planting soil layer; (3), blending cow dung, bio-organic fertilizer and turf in a planting soil layer of a reclamation sea mud area, using cow dung, bio-organic fertilizer and plant straw bits in a planting soil layer of a clayey soil area, uniformly blending, planting arbores and shrubs, and entering a period of maintenance and water-salt directional adjustment and control. By the method, afforestation cost can be effectively saved.
Description
Technical field
The present invention relates to a kind of method of forestation, particularly an a kind of planting groove mainly for Puddy coastal zone and shelter belt, Wei Hai hydraulic reclamation district and urban path tree rapid build or plant hole method of forestation.
Background technology
It is main Plain wind, tide, drought, flood, salt, alkali area that Circum-Bohai Sea bank belongs to silt coast, and essential characteristic is by the alluvial plain, delta of the alluviation such as the Yellow River, Haihe River or marine plain.Coastline is straight, and beach face is broad, and physical features is smooth, and saline and alkaline flood is hollow, and land occupation condition is poor, and the seeds of suitable afforestation are few, cause by coast protection forest on Tangshan Jingdang Port to the long 1194 kilometers of mainland coastlines of discrimination mouth seriously out of stock.In recent years because urban land resource is day by day rare, eye is invested and is reclaimed fields from the sea by coastal cities one after another.Reclaim fields from the sea and can solve the nervous problem in soil to some extent.But reclaim fields from the sea simultaneously and also directly or indirectly result in the degeneration of the coastal region ecosystem, destroy the natural quality of mud wetland and the natural landscape of littoral zone beach uniqueness; New soil building ground is due to the restriction by ecological factors such as water, soil, salt, weathers, and be mainly reflected in the fundamental property that hydraulic fill sea mud does not possess general soil, subterranean water level is higher, the degree of mineralization of ground water is greater than 30g/L, is equivalent to seawater salinity.Total salt content (belongs to solonchak category) more than 1%, and general plant is difficult to survive.Soil acidity or alkalinity is all more than 8.5, and soil belongs to strong basicity.The soil texture is sticky heavily, structure is poor, the degree of packing is high, osmotic coefficient is low, be unfavorable for Soil Desalting, soil depletion, liquid manure gas heat is inharmonious, is unfavorable for plant growth, and large area bare area has become the important sources that coastal region dust storm in spring pollutes, nature desalination and vegetation are formed and succession needs for a long time, cannot develop and the demand of human living by adapt to economic development.Coast protection forest construction speed is slow for a long time; forest ecological project construction be responsible for improve coastal region investment environment, improve resident produce, living space quality, protection industrial and agricultural production, resist the multiple function such as sea wind tide and other natural calamity.Therefore how to carry out shelterbelt construction in Wei Hai hydraulic reclamation district and muddy coast band area, creating the ecotope being suitable for human living and adapting to socio-economic development demand has become an important topic.
The method built at this type of regional protection forest at present mainly contains and adopts traditional farmland soil moved in improve the original method, but destroy the phenomenon of the ecotope of another place while this kind of method exists construction one side ecotope, and cost is high, obviously run counter to sustainable development idea; Lift field method, namely by the earthwork of ditching in-situ balancing, raise ground, lowering of watertable, then by carrying out shelterbelt construction after rainfall desalination, but need the cycle oversize; Plant pit soil replacement method, this kind of method, just for the plant growth initial stage creates an adapt circumstance, does not solve subterranean water level problem, usually unsustainable.The present invention is that development is formed on the basis of traditional plant pit soil replacement method and blind pipe salt discharge method, is intended to overcome the deficiencies in the prior art, provides a kind of shelter belt economy and fast construction method.
Summary of the invention
The technical problem to be solved in the present invention is: the concrete buried depth that specific aim proposes Muddy Bottoms area and shelter belt, Wei Hai hydraulic reclamation district plantation shrub and arbor hidden pipe solves subterranean water level and desalination control salt effect problem, stone nitre is set under root system of plant integrated distribution layer and solves soil secondary salinization problem in early stage, use cow dung, biological organic fertilizer and the peat composed of rotten mosses (or straw chip) and improve plant hole microbending soil, change microbending soil water salt state, reach by the regulation and control of water salt orientation the object that the time changes space.
The technical solution used in the present invention is:
The Wei Hai land reclamation district of Puddy coastal zone or muddy coast band planning forest belt or urban path tree construction area plant groove or a plant hole method of forestation, comprise the steps:
In Wei Hai land reclamation district, barged-in fill is ooze, or the strip of muddy coast band planning construction area, forest belt excavation planting plants groove or plant hole, in blind pipe ditch, blind pipe is set, concrete, first in blind pipe ditch, insert outsourcing filtrate, then lay blind pipe in location mid-shaft, the blind pipe buried depth of hydraulic fill sea mud district plantation shrub be 90-105cm, shallow root arbor and dark root arbor blind pipe buried depth be 130-150cm, in clay soil area, the blind pipe buried depth of plantation shrub is 70-85cm, shallow root arbor and dark root arbor blind pipe buried depth are 110-130cm, finally insert outsourcing filtrate again, backfill salty soil layer, salty soil layer arranges 5-10cm thick stone nitre layer, dn60PVC bellows is laid in stone nitre layer, finally backfill the planting soil of salt content less than 0.4%, the degree of depth of plantation soil layer is 60-70cm, planting in groove or plant hole of hydraulic fill sea mud district mixes cow dung in plantation soil layer, biological organic fertilizer, the peat composed of rotten mosses, mix evenly, planting in groove or plant hole of clay soil area then uses cow dung in plantation soil layer, biological organic fertilizer, straw chip, mix evenly, and make dn60PVC bellows two port expose earth's surface, mixing in backfilling process according to designing requirement degree of depth plantation shrub, then maintenance and water salt directed regulation and control phase is entered.
Preferably, in described stone nitre layer stone nitre particle size for being less than or equal to 1cm.
Preferably, described outsourcing filtrate is liquid slag or stone nitre, the grade of liquid slag consists of <4.75mm and accounts for 70-75%, <1mm accounts for 20-25%, <0.10mm accounts for 8-10%, particle diameter≤the 1cm of stone nitre, wherein 0.3 ~ 0.5cm grade accounts for 80%-90%.
Preferably, planting in groove or plant hole of hydraulic fill sea mud district mixes cow dung, biological organic fertilizer, the peat composed of rotten mosses in plantation soil layer, amount of application is respectively every necromancer 3-5kg, 3-5kg, 6-9kg, clay soil area then uses cow dung, biological organic fertilizer, straw chip, and amount of application is respectively every necromancer 3-5kg, 3-5kg, 5-10kg.
Preferably, described dn60PVC bellows carries out symmetrical wave laying with stone nitre layer axis.
The beneficial effect that the present invention has:
The present invention is directed to silt coast area subterranean water level high, desalination difficulty, what soil source reality in short supply proposed to enclose extra large hydraulic fill sea mud epeirogenetic district and silt coast plants groove or plant hole method of forestation, propose hidden pipe buried depth targetedly, avoid blindness, desalination control salt is effective, solve traditional plant pit implantation methods subterranean water level problem, planting groove or plant hole upper strata 60cm-70cm use mild or moderate salination planting soil, mix cow dung simultaneously, biological organic fertilizer and the peat composed of rotten mosses (or straw chip), one is soil of having fostered and apply fertilizer, change soil structure, two permeability being the increase in soil, for bottom original soil desalination creates condition, one deck separation layer is set between original soil and upper strata planting soil and can intercepts the salty soil in bottom to the impact of upper layer of soil and plant, also can play moisture cushioning effect simultaneously, be conducive to the salty native desalination of lower floor, bellows in salt deposit is conducive to irrigating and surface rain collection, accelerate the salty native desalination of lower floor and improve ventilation capacity, for plant root growth is expanded and space for the creativity.Whole mentality of designing is that plant growth creates primary condition by planting groove or the plant hole confined space, the space of suitable for plant root growth is expanded again by the directed regulation and control with water salt of managing and protecting in later stage, can saving construction cost, concerning the soil moved in improve the original amount can saving 50% street tree, concerning the soil moved in improve the original amount then can saving about 70-80% shelter belt in blocks, greatly reduce engineering cost.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section that the inventive method plants groove or plant hole;
Wherein A is planting soil, and B is stone nitre layer, and C is salty soil layer, and D is outsourcing filtrate, and E is blind pipe, and H is blind pipe ditch, and G is dn60PVC bellows, and F is shrub.
Fig. 2 is forest belt schematic cross-section.
Embodiment
Below by specific embodiment, the invention will be further described, but do not limit protection scope of the present invention.
As shown in Figure 1 and Figure 2;
1), in the Wei Hai land reclamation district urban path tree of Binhai New Area in Tianjin Puddy coastal zone is built, according to the strip planting groove of design plantation figure excavation planting, bury blind pipe E under planting groove underground, buried depth is 130cm;
2), blind pipe is arranged: bottom width 300mm under blind pipe ditch H, upper bottom width 400mm, first in blind pipe ditch H, insert the thick outsourcing filtrate D of 120mm, then lay blind pipe E in location mid-shaft, blind pipe gradient 3/1000, finally inserts the outsourcing filtrate D of 50mm again.
Described outsourcing filtrate D is stone nitre, and the particle diameter≤1cm of stone nitre, wherein 0.3 ~ 0.5cm grade accounts for 85%.
3) after, setting up blind pipe, under ensureing the depth conditions of the thick planting soil A of 70cm, blind pipe E backfills local salty soil, salt content is 29.79g/kg, salty soil layer C is arranged the stone nitre layer B that 10cm is thick, dn60PVC bellows G is laid in stone nitre layer B, dn60PVC bellows G carries out symmetrical wave with stone nitre layer B axis and lays, increase the contact area of bellows G, finally backfill planting soil A (slight salinization soil, salt content is 1.13g/kg), and make bellows G two port expose earth's surface, facilitate rainwater-collecting and artificial pouring.
4), in backfill planting soil A, cow dung, biological organic fertilizer and the peat composed of rotten mosses is mixed, amount of application is respectively every necromancer 5kg, 3kg, 6kg, mixing in backfilling process according to designing requirement degree of depth plantation arbor F (Chinese wax), then enter water salt directed regulation and control phase and maintenance.
5), implement over 3 years, planting soil does not occur that the salty soil of secondary salinization, bottom is in desalination stage, and plant grows fine.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, but content of the present invention is not limited in the above-described embodiment, knowledgeable people in same area can propose other embodiment easily within technological guidance's thought of the present invention, but this embodiment all comprises within the scope of the present invention.
Claims (5)
1. the Wei Hai land reclamation district of Puddy coastal zone or muddy coast band planning forest belt or urban path tree construction area plant groove or a plant hole method of forestation, comprise the steps:
In Wei Hai land reclamation district, barged-in fill is ooze, or the strip of muddy coast band planning construction area, forest belt excavation planting plants groove or plant hole, in blind pipe ditch, blind pipe is set, concrete, first in blind pipe ditch, insert outsourcing filtrate, then lay blind pipe in location mid-shaft, the blind pipe buried depth of hydraulic fill sea mud district plantation shrub be 90-105cm, shallow root arbor and dark root arbor blind pipe buried depth be 130-150cm, in clay soil area, the blind pipe buried depth of plantation shrub is 70-85cm, shallow root arbor and dark root arbor blind pipe buried depth are 110-130cm, finally insert outsourcing filtrate again, backfill salty soil layer, salty soil layer arranges 5-10cm thick stone nitre layer, dn60PVC bellows is laid in stone nitre layer, finally backfill the planting soil of salt content less than 0.4%, the degree of depth of plantation soil layer is 60-70cm, planting in groove or plant hole of hydraulic fill sea mud district mixes cow dung in plantation soil layer, biological organic fertilizer, the peat composed of rotten mosses, mix evenly, planting in groove or plant hole of clay soil area then uses cow dung in plantation soil layer, biological organic fertilizer, straw chip, mix evenly, and make dn60PVC bellows two port expose earth's surface, mixing in backfilling process according to designing requirement degree of depth plantation shrub, then maintenance and water salt directed regulation and control phase is entered.
2. method according to claim 1, is characterized in that: in described stone nitre layer, stone nitre particle size is for being less than or equal to 1cm.
3. method according to claim 1 and 2, it is characterized in that: described outsourcing filtrate is liquid slag or stone nitre, the grade of liquid slag consists of <4.75mm and accounts for 70-75%, <1mm accounts for 20-25%, <0.10mm accounts for 8-10%, particle diameter≤the 1cm of stone nitre, wherein 0.3 ~ 0.5cm grade accounts for 80%-90%.
4. method according to claim 1 and 2, it is characterized in that: planting in groove or plant hole of hydraulic fill sea mud district mixes cow dung, biological organic fertilizer, the peat composed of rotten mosses in plantation soil layer, amount of application is respectively every necromancer 3-5kg, 3-5kg, 6-9kg, clay soil area then uses cow dung, biological organic fertilizer, straw chip, and amount of application is respectively every necromancer 3-5kg, 3-5kg, 5-10kg.
5. method according to claim 1 and 2, is characterized in that: described dn60PVC bellows carries out symmetrical wave with stone nitre layer axis and lays.
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| CN201310583248.0A CN103609386B (en) | 2013-11-19 | 2013-11-19 | Muddy coastal zone plant groove or plant hole afforestation method |
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| CN201310583248.0A CN103609386B (en) | 2013-11-19 | 2013-11-19 | Muddy coastal zone plant groove or plant hole afforestation method |
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| CN103609386B true CN103609386B (en) | 2015-05-20 |
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| CN110552355A (en) * | 2019-09-05 | 2019-12-10 | 广州市花木公司 | foundation pit backfill structure in garden construction and construction method |
| CN112997732A (en) * | 2021-02-23 | 2021-06-22 | 江苏筑港建设集团有限公司 | Dredger fill sludge mud flat structure and rapid greening and planting method thereof |
| CN113711724A (en) * | 2021-07-16 | 2021-11-30 | 中铁十六局集团置业投资有限公司 | Method for removing salt, controlling water and increasing fertilizer of saline-alkali soil in hydraulic filling area and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU489482A1 (en) * | 1973-10-30 | 1975-10-30 | The method of growing plants in saline areas | |
| CN101946675A (en) * | 2010-08-30 | 2011-01-19 | 天津市绿源环境景观工程有限公司 | Method for constructing muddy coast protection forest |
| CN102498772A (en) * | 2011-11-07 | 2012-06-20 | 天津市北方园林生态科学技术研究所 | Method for in-situ improvement of dredger fill into soil for planting |
| CN202476052U (en) * | 2012-03-01 | 2012-10-10 | 天津创世生态景观建设股份有限公司 | Environment-friendly salt removing system for saline-alkali soil |
| CN102612887B (en) * | 2012-04-18 | 2016-01-13 | 天津泰达园林规划设计院有限公司 | A kind of Wei Hai hydraulic reclamation district vegetation fast construction method |
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