CN105830573B - A kind of muddy coast alkaline land soil ecotype synthesis improvement method - Google Patents
A kind of muddy coast alkaline land soil ecotype synthesis improvement method Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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Abstract
A kind of muddy coast alkaline land soil ecotype synthesis improvement method, by setting ditch, sink is dug in bottom, salt discharge pipeline is laid in sink, the top of sink is laid with separation layer, fill block shape in separation layer, graininess stone, and it is isolated with geotextiles with surrounding soil, a certain amount of organic fertilizer and rice husk mixing material are added in ditch backfill soil, soil has the plantation of the tree planting quilt compared with strong adaptability after cooperation is enclosed and cultivated strand muddy coast band area's original soil and improved, pass through comprehensive three-dimensional technical solution above, it is low to reach both input costs, and environment will not be polluted, energy good the problem of administering the muddy coast salinization of soil again, low input, sustainability is strong and ecological environment benefit is strong.
Description
Technical field
The present invention relates to a kind of saline and alkaline beach ground heddles to close modification method field, and in particular to one kind is related to for muddy coast
A kind of saline and alkaline beach ecotype synthesis improvement method of band.
Background technology
Recently as expanding economy and urban construction to the increasingly urgent of demand of land resources, saline-alkali soil develops and uses
Engineering flourishes, and still, the features such as saline-alkali soil salt content is high, nutrient content is low, soil texture is poor drastically influences region
Agriculture and forestry production and and improvement of the ecological environment, the improvement of saline-alkali soil afforest always internationally recognized " global problem ".For
Improvement strand Tidal Flat Inning Area ecological condition improves the efficiency that coastal tidal encloses and cultivates land use, builds strand polder
Area's ecological safe shelter zone ensures the production of strand Tidal Flat Inning Area, life, the coordinated development of ecology, seeks low input, sustainability
Strong and strong ecological environment benefit coastal saline-alkali soil modification method is urgently to be resolved hurrily in current beach saline land Construction System of Urban Green Space
Problem.
In order to pursue speed and achievement, heavy metal pollution of soil and chemical improvement agent ruling by law reason salt-soda soil extensively should in coastal area
With wherein heavy metal pollution of soil is not only with high costs, but also seriously destroys arable land and mountainous region, is the improvement of a kind of " a green side ruins a side "
Pattern is seriously mutually relied on country-driven arable land policy, ecological environmental protection policy and Sustainable development policies.Clump sustainable development
The angle of exhibition is set out, and chemical improvement agent method can largely leave down more serious problems concerning land resources and life to descendants
Dis environment problem.
At present, there is no and make full use of free of contamination engineering measure and biological control measure, for muddy coast beach saline-alkali into
The report of row comprehensive improvement.
Invention content
In order to solve the disadvantage that the prior art, the present invention provides a kind of muddy coast alkaline land soil ecotype comprehensive improvement
Method.
The technical solution that the present invention uses is：A kind of muddy coast alkaline land soil ecotype synthesis improvement method,
Include the following steps：
（1）Several ditches are dug on the soil improved is needed, then are dug in ditch bottom several for being laid with salt discharging pipe
The sink in road, the interior setting salt discharge pipeline of the sink, the salt discharge pipeline include trunk and branch, the branch and master
Dry to intersect publication and be connected, the salt discharge pipeline is covered with graininess stone；
（2）Several separation layers are laid in the top of sink, every spacer width is 1.0 m, and the separation layer is laid with
Material is blocky, graininess stone, and the separation layer geotextiles are isolated with surrounding soil；
（3）Ditch with original soil is backfilled, a certain amount of organic fertilizer and rice husk mixing material, institute are added in the soil of backfill
The organic fertilizer and the amount of rice husk mixing material stated are according to volume ratio 10% or 20% of soil volume for backfill, and described has
The volume ratio of organic fertilizer and rice husk is 1 in machine fertilizer and rice husk mixing material：5-6；
（4）The upper soll layer flattened after filling and leading up carries out soil deep tillage again, ploughs deeply depth as 30cm；
（5）After ploughing deeply engineering measure, gutter is made on soil, for natural rainfall to be guided to pour ditch, such as
Soil Desalting process can be accelerated to gutter manual watering by meeting dry season.
（6）In conditioned soil ecological region planting has the plant of certain salt resistance ability, and the plant of the salt resistance ability includes
Shrub and herbaceous plant, the herbaceous plant are planted in tall fill under forest region.
It is further comprising the steps of, make a call to an aperture in the backfill soil above the separation layer, aperture 8-10cm,
Depth, which is subject to, reaches separation layer, and is filled with microlith, top residue 10cm, after wood chip or geotextiles isolation, refills
Original soil.
The step（1）Middle ditch deep 0.8 m, wide 1.0m.
The step（1）Middle sink depth 10cm, width 20-40cm.
The step（1）5 m are divided between middle branch salt discharge pipeline, 20m is spaced between trunk salt discharge pipeline.
The step（2）Middle separation layer thickness is 10 cm.
The step（2）The middle a diameter of 0.5-2 cm of stone.
The beneficial effects of the invention are as follows：A kind of muddy coast alkaline land soil ecotype synthesis improvement method, passes through setting
Ditch, digs sink in bottom, is laid with salt discharge pipeline in sink, and the top of sink is laid with separation layer, fill block shape in separation layer,
Granular stone, and being isolated with geotextiles with surrounding soil prevents the accumulation of salt in the surface soil, added in ditch backfill soil a certain amount of organic fertilizer and
Rice husk mixing material coordinates soil after enclosing and cultivating strand muddy coast band area's original soil and improvement to have tree planting quilt compared with strong adaptability
Plantation, by technical solution comprehensive three-dimensional above, it is low to reach both input costs, and mitigates pollution on the environment, again
Can it is good improvement the muddy coast salinization of soil the problem of, it is low input, sustainability is strong and ecological environment benefit is strong.
Description of the drawings
Fig. 1 is salt discharge pipe arrangement illustration of the present invention.
Fig. 2 is soil cross-sectional of the present invention.
Fig. 3 is salt discharging pipe cross-sectional of the present invention.
Specific embodiment
In order to verify the actual effect of technical solution of the present invention, inventor to technical solution of the present invention by site test,
Obtain final data, proof scheme effect：
Test background：
For the selection of the alkaline land soil of ecology improvement of the invention, the present invention is directed the salt-soda soil soil of Zhe Nan strands
Property improvement encloses and cultivates area due to Zhe Nan strands and belongs to muddy coast band, and soil salt content is high, and hardened serious, pH is higher, and organic matter contains
It measures relatively low, seriously restricts the construction of city afforestation for enclosing and cultivating area, therefore, soil improvement is to carry out the necessary step of ecological construction.
Engineering measure, soil chemistry measure, biological control measure etc. are made full use of, original soil comprehensive improvement is carried out to enclosing and cultivating area's coastal saline-alkali soil,
Then soil salt content, unit weight, organic matter, pH value, nitrogen, phosphorus, potassium content etc. are investigated in the front and rear difference of improvement, and investigates tree
Kind of survival rate and upgrowth situation performance evaluate reclamation result with this.
Research process
Test master-plan
Test 800 m of ground area2, it is divided into 4 bulks, every piece of 200 m2, then it is divided into 4 fritters for every piece, 4 processing is set：
Processing 1：For control, planted without amendement and seeds
Processing 2：Without amendement, saline-alkali tolerant seeds material is directly planted on original soil；
Processing 3：Amendement method 1 is carried out, and plant saline-alkali tolerant seeds material to original soil；
Processing 4：Amendement method 2 is carried out, and plant saline-alkali tolerant seeds material to original soil.
Wherein amendement method 1 and method 2 is distinguished as：By organic fertilizer and rice husk according to 1 in method 1:5
After volume ratio mixing, it is added in original soil according still further to the ratio that volume ratio is 10%；In method 2 by organic fertilizer and rice husk according to
1:After 6 volume ratio mixing, it is added in original soil according still further to the ratio that volume ratio is 20%.Each 4 repetitions of processing.
Strand encloses and cultivates area saline-alkali tolerant seeds and draws choosing research
While enclosing and cultivating area's ecological safe shelter zone in structure strand, area's Afforestation Landscape effect is enclosed and cultivated in raising, realizes that strand is enclosed
Reclamation area city beautiful is built, and needs to improve the diversity of green tree species, and therefore, progress saline-alkali tolerant seeds, which draw choosing research, just seems non-
It is often important.By Investigation on Data and early-stage study basis is combined, determines to draw and selects seeds material, it is then, former after original soil and improvement
It is planted on soil, investigates soil labile organic matter and seeds annidation, filtered out and enclose and cultivate area's original in strand muddy coast band
Soil has the seeds compared with strong adaptability after soil and improvement, so as to provide more material selections to enclose and cultivate area's ecological afforestation.
Saline-alkali tolerant seeds are planted
Drawing of primarily determining selects saline-alkali tolerant seeds to include joyous purple hinge, gold leaf Acer negundo. L, thick leaf Raphiolepis indica, soapberry, white
Elm, Chinese tamarisk etc..Arbor species select the raw seedling of 2-3, and planting density is 1 × 2 m, and shrub species selects the raw seedling of 1-2, kind
Density in planting is 1 × 0.5 m.Plantation salicornia europaeal below shrub.
Embodiment 1
A kind of muddy coast alkaline land soil ecotype synthesis improvement method, comprises the steps of：
（1）Ditch, ditch deep 0.8 m, wide 1.0m are dug on the soil for needing to improve, then is dug deeply in ditch bottom
The sink of 10cm, width 20cm, for being laid with salt discharge pipeline, salt discharge pipeline divides trunk and branch, and branch salt discharge pipeline interval is 5
M, and be all connected with trunk, trunk interval 20m, pipeline is covered with graininess stone, as depicted in figs. 1 and 2.
（2）The separation layer of 10 cm thickness is laid in the top of sink, every spacer width is 1.0 m, and material therefor is block
Shape, graininess stone, stone diameter control is in 0.5 cm.Separation layer is separated with geotextiles and surrounding soil, as shown in Figure 3.
（3）Ditch is backfilled with original soil, is added in the soil of backfill described in a certain amount of organic fertilizer and rice husk mixing material
Organic fertilizer and the amount of rice husk mixing material be according to volume ratio 10% of soil volume for backfill, the organic fertilizer and rice
The volume ratio of organic fertilizer and rice husk is 1 in shell mixing material：5, for adjusting soil nutrient content and water-permeable and air permeable ability.
（4）Soil deep tillage is carried out again in the upper soll layer of leveling, ploughs deeply depth as 30cm.
（5）After engineering measure, gutter is made on soil, waits for the pouring of natural rainfall, in case of dry season can be right
Gutter manual watering accelerates Soil Desalting process.
（6）To accelerate to seep water, the soil above separation layer makes a call to an aperture（Aperture is 8cm）, depth is to reach separation layer
Subject to, and filled with microlith, top residue 10cm after being isolated with wood chip, refills original soil.
（7）There is the plant of certain salt resistance ability in improvement ecological region planting, it is saturating that the growth of plant can improve soil permeability
Gas performance, especially arbor and bush plants, moreover it is possible to promote the formation of soil aggregate structure, improve the physicochemical property of soil, make soil
In organic matter increase, reduce soil in salinity content.For plantation shrub region, in underwood planting herbaceous plant, such as
Salicornia europaeal reduces surface evaporation, reduces soil accumulation of salt in the surface soil effect, so as to play the lasting effect for improving edaphic condition.
Embodiment 2
A kind of muddy coast alkaline land soil ecotype synthesis improvement method, comprises the steps of：
（1）Ditch, ditch deep 0.8 m, wide 1.0m are dug on the soil for needing to improve, then is dug deeply in ditch bottom
The sink of 10cm, width 30cm, for being laid with salt discharge pipeline, salt discharge pipeline divides trunk and branch, and branch salt discharge pipeline interval is 5
M, and be all connected with trunk, trunk interval 20m, pipeline is covered with graininess stone, as depicted in figs. 1 and 2.
（2）The separation layer of 10 cm thickness is laid in the top of sink, every spacer width is 1.0 m, and material therefor is block
Shape, graininess stone, stone diameter control is in 1.5 cm.Separation layer is separated with geotextiles and surrounding soil, as shown in Figure 3.
（3）Ditch is backfilled with original soil, is added in the soil of backfill described in a certain amount of organic fertilizer and rice husk mixing material
Organic fertilizer and the amount of rice husk mixing material be according to volume ratio 20% of soil volume for backfill, the organic fertilizer and rice
The volume ratio of organic fertilizer and rice husk is 1 in shell mixing material：6, for adjusting soil nutrient content and water-permeable and air permeable ability.
（4）Soil deep tillage is carried out again in the upper soll layer of leveling, ploughs deeply depth as 30cm.
（5）After engineering measure, gutter is made on soil, waits for the pouring of natural rainfall, in case of dry season can be right
Gutter manual watering accelerates Soil Desalting process.
（6）To accelerate to seep water, the soil above separation layer makes a call to an aperture（Aperture is 9cm）, depth is to reach separation layer
Subject to, and filled with microlith, top residue 10cm after being isolated with geotextiles, refills original soil.
（7）There is the plant of certain salt resistance ability in improvement ecological region planting, it is saturating that the growth of plant can improve soil permeability
Gas performance, especially arbor and bush plants, moreover it is possible to promote the formation of soil aggregate structure, improve the physicochemical property of soil, make soil
In organic matter increase, reduce soil in salinity content.For plantation shrub region, in underwood planting herbaceous plant, such as
Salicornia europaeal reduces surface evaporation, reduces soil accumulation of salt in the surface soil effect, so as to play the lasting effect for improving edaphic condition.
Embodiment 3
A kind of muddy coast alkaline land soil ecotype synthesis improvement method, comprises the steps of：
（1）Ditch, ditch deep 0.8 m, wide 1.0m are dug on the soil for needing to improve, then is dug deeply in ditch bottom
The sink of 10cm, width 40cm, for being laid with salt discharge pipeline, salt discharge pipeline divides trunk and branch, and branch salt discharge pipeline interval is 5
M, and be all connected with trunk, trunk interval 20m, pipeline is covered with graininess stone, as depicted in figs. 1 and 2.
（2）The separation layer of 10 cm thickness is laid in the top of sink, every spacer width is 1.0 m, and material therefor is block
Shape, graininess stone, stone diameter control is in 2 cm.Separation layer is separated with geotextiles and surrounding soil, as shown in Figure 3.
（3）Ditch is backfilled with original soil, is added in the soil of backfill described in a certain amount of organic fertilizer and rice husk mixing material
Organic fertilizer and the amount of rice husk mixing material be according to volume ratio 20% of soil volume for backfill, the organic fertilizer and rice
The volume ratio of organic fertilizer and rice husk is 1 in shell mixing material：6, for adjusting soil nutrient content and water-permeable and air permeable ability.
（4）Soil deep tillage is carried out again in the upper soll layer of leveling, ploughs deeply depth as 30cm.
（5）After engineering measure, gutter is made on soil, waits for the pouring of natural rainfall, in case of dry season can be right
Gutter manual watering accelerates Soil Desalting process.
（6）To accelerate to seep water, the soil above separation layer makes a call to an aperture（Aperture is 10cm）, depth is to reach separation layer
Subject to, and filled with microlith, top residue 10cm after being isolated with wood chip, refills original soil.
（7）There is the plant of certain salt resistance ability in improvement ecological region planting, it is saturating that the growth of plant can improve soil permeability
Gas performance, especially arbor and bush plants, moreover it is possible to promote the formation of soil aggregate structure, improve the physicochemical property of soil, make soil
In organic matter increase, reduce soil in salinity content.For plantation shrub region, in underwood planting herbaceous plant, such as
Salicornia europaeal reduces surface evaporation, reduces soil accumulation of salt in the surface soil effect, so as to play the lasting effect for improving edaphic condition.
Experiment test
By the above embodiments 1, embodiment 2, the technical solution of embodiment 3, respectively before improvement, after improvement leaching and
Every 4 months after improvement, soil is acquired, 4 samples, upper strata are acquired in each fritter（10-30cm）And lower floor（40-60cm）Respectively
Acquisition, will each layer 4 soil mix after carry out each parametric measurement, measure soil salt content, unit weight, organic matter, pH value, nitrogen,
The soil physico-chemical index such as phosphorus, potassium content, meanwhile, periodic investigation seeds survival rate and upgrowth situation performance, with the verification present invention's
Effect.
Test period is on June 17th, 2015, and the initial investigational data and improvement engineering before not improveing are adjusted after terminating 3 months
Look into data：
Wherein, CK：Any ameliorative measure is not carried out；
0%：Specific aim improvement is not carried out, only topsoil has been carried out simply to turn over, and turns over thickness as 30cm；
10%：Using the ameliorative measure of corresponding scheme, organic fertilizer and rice husk mixture adding proportion are 10%, to topsoil
Simply turn over, turned over thickness as 30cm；
20%：Using the ameliorative measure of corresponding scheme, organic fertilizer and rice husk mixture adding proportion are 20%, to topsoil
Simply turn over, turned over thickness as 30cm.
From the data preliminary analysis of above-mentioned table, corresponding ameliorative measure processing 3 is employed by the processing method of the present invention
After a month, soil salt content significantly reduces, and available potassium and pH value also slightly reduce, and other indexs are also slightly changed.But wherein
Available nitrogen, rapid available phosphorus and the content of organic matter are increased slightly, this may be mainly caused by the addition of organic fertilizer；Unit weight
It reduces, may be mainly since physical engineering ameliorative measure causes, according to other results of study, planting can cause unit weight to show
It writes and reduces, improve soil permeability gas permeability.
Experiment conclusion
The present invention digs sink in bottom by setting ditch, is laid with salt discharge pipeline in sink, the top of sink be laid with every
Absciss layer, fill block shape, graininess stone in separation layer, and be isolated with geotextiles with surrounding soil, add in one in ditch backfill soil
Quantitative organic fertilizer and rice husk mixing material coordinate soil after enclosing and cultivating strand muddy coast band area's original soil and improvement to have relatively strong fit
The plantation of the tree planting quilt of answering property, by technical solution comprehensive three-dimensional above, it is low to reach both input costs, and will not to environment
Pollute, but can the good improvement muddy coast salinization of soil the problem of, low input, sustainability are strong to imitate with ecological environment
It is beneficial strong.
Claims (7)
1. a kind of muddy coast alkaline land soil ecotype synthesis improvement method, which is characterized in that include the following steps：
（1）Several ditches are dug on the soil improved is needed, then are dug in ditch bottom several for being laid with salt discharge pipeline
Sink, the interior setting salt discharge pipeline of the sink, the salt discharge pipeline include trunk and branch, and the branch is handed over trunk
Fork publication and connected, described salt discharge pipeline graininess stone covering；
（2）It is laid with several separation layers in the top of sink, every spacer width is 1.0 m, the separation layer paver
For blocky, graininess stone, the separation layer geotextiles are isolated with surrounding soil；
（3）Ditch with original soil is backfilled, a certain amount of organic fertilizer and rice husk mixing material are added in the soil of backfill, it is described
The amount of organic fertilizer and rice husk mixing material is according to volume ratio 10% or 20% of soil volume for backfill, the organic fertilizer
It is 1 with the volume ratio of organic fertilizer and rice husk in rice husk mixing material：5-6；
（4）The upper soll layer flattened after filling and leading up carries out soil deep tillage again, ploughs deeply depth as 30cm；
（5）After ploughing deeply engineering measure, gutter is made on soil, for natural rainfall to be guided to pour ditch, such as drought
Season can accelerate Soil Desalting process to gutter manual watering；
（6）In conditioned soil ecological region planting has the plant of certain salt resistance ability, and the plant of the salt resistance ability includes tall fill
Wood and herbaceous plant, the herbaceous plant are planted in tall fill under forest region.
2. a kind of muddy coast alkaline land soil ecotype synthesis improvement method according to claim 1, which is characterized in that
It is further comprising the steps of, make a call to an aperture in the backfill soil above the separation layer, aperture 8-10cm, depth is to reach
It is filled to subject to separation layer, and with microlith, top residue 10cm, after wood chip or geotextiles isolation, refills original soil.
3. a kind of muddy coast alkaline land soil ecotype synthesis improvement method according to claim 1, which is characterized in that
The step（1）Middle ditch deep 0.8 m, wide 1.0m.
4. a kind of muddy coast alkaline land soil ecotype synthesis improvement method according to claim 1, which is characterized in that
The step（1）Middle sink depth 10cm, width 20-40cm.
5. a kind of muddy coast alkaline land soil ecotype synthesis improvement method according to claim 1, which is characterized in that
The step（1）5 m are divided between middle branch salt discharge pipeline, 20m is spaced between trunk salt discharge pipeline.
6. a kind of muddy coast alkaline land soil ecotype synthesis improvement method according to claim 1, which is characterized in that
The step（2）Middle separation layer thickness is 10 cm.
7. a kind of muddy coast alkaline land soil ecotype synthesis improvement method according to claim 1, which is characterized in that
The step（2）The middle a diameter of 0.5-2 cm of stone.
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| CN107517611A (en) * | 2017-06-08 | 2017-12-29 | 天津绿苑园林绿化工程有限公司 | A kind of salt-soda soil original soil modification method |
| CN107801439A (en) * | 2017-10-24 | 2018-03-16 | 潍坊友容实业有限公司 | Salt-soda soil self-cleaning type salt discharge network system |
| CN107889573A (en) * | 2017-11-20 | 2018-04-10 | 河北省农林科学院滨海农业研究所 | The economical vegetation fast construction method of shale strand heavy salinized ground salt tolerant based on hidden pipe salt discharge |
| CN108293832A (en) * | 2017-12-19 | 2018-07-20 | 潍坊友容实业有限公司 | Salt-soda soil shrub moisturizing cultural method |
| CN111097790A (en) * | 2019-12-24 | 2020-05-05 | 鞍钢集团矿业有限公司 | Method for repairing saline-alkali soil by using salt discharge pipe, iron tailings and modifier |
| CN113519226B (en) * | 2020-04-22 | 2022-10-18 | 民勤大漠田园农业科技有限责任公司 | Saline-alkali sandy soil improvement method |
| CN111744946B (en) * | 2020-07-02 | 2022-06-07 | 尹东 | Method for adjusting proportion of carbon, nitrogen and phosphorus in petroleum-polluted soil |
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| CN100355511C (en) * | 2004-10-28 | 2007-12-19 | 刘太祥 | Water-saving type salina physics-chemistry-biology comprehensive improvement and vegetation construction technique |
| CN101849454B (en) * | 2009-10-30 | 2012-01-04 | 刘洪庆 | Biological synthesis improvement method of salt-alkali shoaly land |
| CN202285515U (en) * | 2011-08-17 | 2012-07-04 | 深圳文科园林股份有限公司 | Saline and alkaline land and coastal road surface paving and desalting system |
| CN104186178B (en) * | 2014-09-09 | 2017-02-01 | 天津海林园艺股份有限公司 | Economical seashore saline soil greening quick planting method |
| CN204408877U (en) * | 2014-12-31 | 2015-06-24 | 杭州市园林工程有限公司 | Saline-alkali soil greening construction every alkali, row's alkali system |
| CN105340411A (en) * | 2015-12-07 | 2016-02-24 | 韩秋华 | Modern agricultural planting hidden layer filter and drainage and water and soil improving high-yield technology blind drain |
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