CN109429605A - A kind of salt-soda soil and desertification administering method - Google Patents
A kind of salt-soda soil and desertification administering method Download PDFInfo
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- CN109429605A CN109429605A CN201811294553.7A CN201811294553A CN109429605A CN 109429605 A CN109429605 A CN 109429605A CN 201811294553 A CN201811294553 A CN 201811294553A CN 109429605 A CN109429605 A CN 109429605A
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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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- 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
- A01B77/00—Machines for lifting and treating soil
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention with proposing a kind of salt-soda soil and sand administering method, comprising the following steps: S1: carrying out region division to salt-soda soil to be processed in the form of nine grids, and topsoil Treatment stations are arranged in nine grids middle section；S2: apart from one another by four pieces of salt-soda soils to be processed on the high-intensitive waterproof plastic foil of covering, collect rainwater；S3: the topsoil for collecting saline and alkaline plot to be processed between the saline and alkaline plot of rainwater is removed, and is transported to topsoil Treatment stations, carries out elution modification；S4: it is laid with barrier layer；S5: modified topsoil is backfilled to crude salt alkali plot, and covers high-intensitive waterproof plastic foil, collects rainwater；S6: the processing such as step S3~S5 is carried out to the saline and alkaline plot to be processed for collecting rainwater in step S2；S7: maintenance is poured to organic matter waste water of the saline and alkaline plot being disposed in step S5 and step S6 after innoxious, improvement is made up to and requires, and carry out vegetation plantation.The present invention can effectively administer salt-soda soil and desertification, and low in cost.
Description
Technical field
The present invention relates to a kind of salt-soda soils and desertification administering method, belong to soil remediation technology field.
Background technique
In recent years, due to the factors such as Global climate change and the deterioration of the ecological environment, the domestic salt-soda soil in China and desertification
Ground occupied area wide variety and in the VELOCITY DIFFUSION can not ignore, these soil soil properties are severe, only only a few salt tolerant
The plant of alkali can grow,.
The domestic salt-soda soil in China is mainly distributed on: Northwest inland RS in Alkali Region, Upper-middle Reaches of The Yellow River plate arid RS in Alkali Region, the Yellow River and Huai He River
The ground such as sea plain arid and semi-arid depression RS in Alkali Region, northeast semiarid low-lying RS in Alkali Region semi-moist and coastal RS in Alkali Region semi-moist
Area.Greatly, the groundwater condition of various regions differs greatly, temperature strip for saline and alkaline desertification area environment and the geological conditions difference of different geographical
There is also biggish difference, the fertility in different regions salt-soda soil to be also not quite similar for part.Therefore the emphasis that each area administers also not phase
Together.
For traditional modification method in the above salt-soda soil, mainly include the following types:
It is physically improved, mainly to salt-soda soil ground grading, the side such as deep ploughing suns the earth which has been ploughed up, loosens the soil in time, raises landform, microcell is improved the soil
Formula prevents the accumulation of salt in the surface soil, enhancing keeping soil water ability, improves soil texture and nutrient situation.The disadvantage is that project amount is big, and it is costly, it takes effect
Slowly, the long period is needed to can be only achieved the purpose that salt reduction changes alkali.
Washing salinity by irrigation irrigates salt-soda soil using a large amount of fresh water, is dissolved in water the salinity in salt-soda soil, so
Post-trenching draining, salinity is taken away, to reduce the salt content of soil.Under the status of varieties in saline-alkali areas water shortage, purely pass through filling
The mode cost for washing salt is high, and fresh water can permeate the ground, and what is washed away is only the salinity of upper soll layer, is still not suitable for
Varieties in saline-alkali areas is transformed into can farming soil.
Chemical fertilizer improvement applies a large amount of organic and inorganic chemical fertilizer into salt alkali pool, adjusts the pH value in salt-soda soil.This mode
It is easy to cause the secondary hardened of soil, and the accumulation of salt in the surface soil is serious.
Biological modification mainly improves saline-alkali soil using Soiline-alkali plants and microbial manure, plants the green manure of salt tolerant and herds
Grass has positive effect to reclamation of saline soil.The disadvantage is that the requirement to salt-tolerant plant is relatively high, need the mechanism to biological salt tolerant have compared with
It is deep to understand, select the technical difficulty of kind high, and slow effect.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention proposes a kind of salt-soda soil and desertification administering method, can be effective
Ground carries out comprehensive treatment to salt-soda soil and desertification, and is able to maintain the regulation effect of long period, avoids being formed in vegetation
During the accumulation of salt in the surface soil failure that causes vegetation to plant, and processing cost is low, and the time of consuming is shorter.
To achieve the above object, a kind of salt-soda soil of the invention and desertification administering method are the following steps are included: S1: treating
Processing salt-soda soil carries out region division in the form of nine grids, topsoil Treatment stations is arranged in nine grids middle section, in topsoil
Setting topsoil elutes reforming apparatus and elution water treatment facilities in Treatment stations；
S2: around the topsoil Treatment stations apart from one another by four pieces of salt-soda soils to be processed on the high-intensitive waterproof plastics of covering
Film is collected rainwater and is used for topsoil Treatment stations；
S3: it removes in step S2 for collecting the topsoil in saline and alkaline plot to be processed between the saline and alkaline plot of rainwater, will dig
Topsoil out is transported to topsoil Treatment stations, is impregnated several times in topsoil elution reforming apparatus to topsoil
Elution, processing is up to standard to salt alkali content, and salt alkali number handles topsoil up to standard and is modified, and then waits backfill；
S4: the saline and alkaline plot upper berth handicapping interlayer after desurfacing soil in step s3；
S5: the modification topsoil in step S3 is backfilled to crude salt alkali plot, reaches plantation thickness requirement, and in soil
The high-intensitive waterproof plastic foil of Surface mulch, carries out covering organic maintenance, is collected simultaneously rainwater and uses for topsoil Treatment stations；
S6: the processing such as step S3~S5 is carried out to the saline and alkaline plot to be processed for collecting rainwater in step S2；
S7: the saline and alkaline plot being disposed in step S5 and step S6 is poured with the organic matter waste water after innoxious and is supported
Shield makes up to improvement and requires, and carries out vegetation plantation.
Further, in step s3, topsoil is carried out impregnating the immersion washing water of elution including step S2 and step
The rainwater collected in rapid S5 and the elution recycle-water for reaching elution water supply standard after the processing of scrubbed water treatment facilities.
Further, salt alkali content is no more than plantation in the soil after reaching the elution recycle-water elution of elution water supply standard
Earth salt alkali content bound requirements.
Further, in step S3 and step S6, according to the difference of planting soil depth requirements, saline and alkaline plot surface is removed
The topsoil of 400mm~600mm thickness.
Further, in step s3, topsoil modification is after elution processing in saline and alkaline topsoil up to standard
The crushed straw aggregate and organic plant glue for passing through compost, and uniform mixing is added, the crushed straw aggregate by compost and organic plant is added
The weight of object glue is the 5%~10% of soil weight.
Further, biological organic fertilizer, charcoal or plant is added in saline and alkaline topsoil up to standard after elution processing
Object glue, it is within the 5% of soil weight that the weight of biological organic fertilizer, charcoal or natural plant gum, which is added,.
Further, in step s 4, barrier layer includes several layers highstrenghtpiston's mulch, is uniformly sprayed between every layer of mulch
Apply the organic plant glue of 3mm~5mm thickness, in step s 5, above barrier layer the modification topsoil thickness of backfill 400mm with
On.
Further, in step s 4, barrier layer is including 1 layer of highstrenghtpiston's mulch and in highstrenghtpiston's mulch two sides
The 3mm thickness organic plant glue of even application fills innoxious flyash or the burning of 100mm~150mm thickness below barrier layer
Flying dust, in step s 5, the modification topsoil thickness backfilled above barrier layer is in 300mm or more.
Further, in step s 4, barrier layer includes the organic plant glue and 100mm~150mm below of 5mm thickness
Thick innoxious flyash or flying ash, in step s 5, the modification topsoil thickness backfilled above barrier layer is in 300mm
More than.
Further, sandstone are added in innoxious flyash or flying ash.
Further, in step s 4, barrier layer includes the sea sand of 150mm~300mm thickness, and alkali is uniformly added into sea sand
Property exciting agent make sea sand formed solidification basic unit.
Further, several layers highstrenghtpiston mulch is covered in solidification basic unit.
Further, several organic plant glue are sprayed in solidification basic unit.
Further, several innoxious flyash or flying ash are added in sea sand.
Further, in step sl, topsoil elution reforming apparatus includes the processing hole excavated on topsoil Treatment stations,
The bottom in processing hole is covered with high-intensitive waterproof plastic film, is equipped with sandstone bed course on high-intensitive waterproof plastic film,
It is equipped with several perforated drain pipes parallel to each other in sandstone bed course, is covered with geotechnological filter cloth, washing water above sandstone bed course
Processing unit setting is outer in processing hole, elutes and is connected with drainage collection general pipeline on water treatment facilities, one end of perforated drain pipe is equal
It is connected on drainage collection general pipeline, processing pit edge heap is equipped with the mound for being higher than former terrace h eight, stacks on the inside of mound wait locate
The topsoil of reason, topsoil form height and are higher than former terrace h eight, the processing mound lower than mound overhead height, handling
Washing water is impregnated in injection on mound, impregnates the top that washing water did not had processing mound, and elution water processing establishment will be arranged by perforation
Reuse after the water that water pipe penetrates into drainage collection general pipeline is extracted out and handled.
Further, processing hole cutting depth is 600mm, and mound top distance processing hole hole bottom distance is 1500mm.
A kind of salt-soda soil of the invention and desertification administering method can effectively integrate salt-soda soil and desertification
It administers, and is able to maintain the regulation effect of long period, avoid accumulation of salt in the surface soil during vegetation is formed that vegetation is caused to plant
Failure, and processing cost is low, and the time of consuming is shorter.
Detailed description of the invention
With reference to the accompanying drawing the present invention is made further to describe and illustrate.
Fig. 1 be embodiment of the invention preferred a kind of salt-soda soil and desertification administering method involved in topsoil processing
The top view of field；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is saline and alkaline plot to be processed in a kind of salt-soda soil and desertification administering method of embodiment of the invention preferred
Divide figure.
Appended drawing reference: 1, topsoil Treatment stations；2, processing hole；21, high-intensitive waterproof plastic film；22, sandstone bed course；
23, perforated drain pipe；24, geotechnological filter cloth；3, water treatment facilities is eluted；31, drainage collection general pipeline；4, mound；5, mound is handled.
Specific embodiment
Below in conjunction with attached drawing, pass through the description to the preferred embodiment of the present invention, more clearly and completely elaboration
The technical solution of invention.
A kind of salt-soda soil of first choice embodiment of the invention and desertification administering method, comprising the following steps:
S1: carrying out region division to salt-soda soil to be processed in the form of nine grids, and topsoil is arranged in nine grids middle section
Topsoil is arranged in topsoil Treatment stations and elutes reforming apparatus and elution water treatment facilities for Treatment stations；
S2: around the topsoil Treatment stations apart from one another by four pieces of salt-soda soils to be processed on the high-intensitive waterproof plastics of covering
Film is collected rainwater and is used for topsoil Treatment stations；
S3: it removes in step S2 for collecting the topsoil in saline and alkaline plot to be processed between the saline and alkaline plot of rainwater, will dig
Topsoil out is transported to topsoil Treatment stations, is impregnated several times in topsoil elution reforming apparatus to topsoil
Elution, processing is up to standard to salt alkali content, and salt alkali number handles topsoil up to standard and is modified, and then waits backfill；
S4: the saline and alkaline plot upper berth handicapping interlayer after desurfacing soil in step s3；
S5: the modification topsoil in step S3 is backfilled to crude salt alkali plot, reaches plantation thickness requirement, and in soil
The high-intensitive waterproof plastic foil of Surface mulch, carries out covering organic maintenance, is collected simultaneously rainwater and uses for topsoil Treatment stations；
S6: the processing such as step S3~S5 is carried out to the saline and alkaline plot to be processed for collecting rainwater in step S2；
S7: the saline and alkaline plot being disposed in step S5 and step S6 is poured with the organic matter waste water after innoxious and is supported
Shield makes up to improvement and requires, and carries out vegetation plantation.
A kind of salt-soda soil of the invention and desertification administering method are described in detail below.
In step sl, the salt-soda soil or desertification for treating improvement first carry out region division and take nine palaces with reference to Fig. 3
Salt-soda soil to be processed is divided into 9 pieces by the form of lattice, and topsoil Treatment stations 1, topsoil Treatment stations 1 are arranged in the middle section of nine grids
On be provided with topsoil elution reforming apparatus and elution water treatment facilities 3, topsoil elute reforming apparatus be used for enter wherein
Topsoil carry out elution modification, elution water treatment facilities 3 is used for immersions used in topsoil elution device elution
Reuse again after water is handled.
Since the treatment process for carrying out salinization of soil to soil takes a long time, and unit time topsoil Treatment stations 1
Processing capacity is limited, in order to improve the efficiency of processing, to 8 pieces of saline and alkaline plot to be processed of nine grids outer region, with separately
Form is grouped, and every four pieces one group, successively carries out the processing of topsoil to it in two batches.
In step s 2, high-intensitive waterproof plastic foil is covered on one group of saline and alkaline plot to be processed, collects the rain of landing
Water is used for elution, to save water cost.
In step s3, the topsoil in another group of saline and alkaline plot to be processed is purged, the thickness of removing is according to the present
The needs of planting soil depth afterwards control between 400mm~600mm.The topsoil cleared out of is transported to topsoil Treatment stations,
It is handled by topsoil elution device.
As depicted in figs. 1 and 2, topsoil elution device includes the processing hole 2 excavated on topsoil Treatment stations 1, step S3
The topsoil meter heap to be processed of middle transhipment, which enters in processing hole 2, carries out elution modification.2 cutting depths of processing hole are original place level ground
Highly downward 600mm, and heap has set mound 4 around processing hole 2, and the distance at 4 top of mound distance processing hole, 2 hole bottom exists
Within 1500mm.The topsoil height that heap is set in processing hole 2 is higher than former terrace h eight, lower than the height on 4 top of mound, shape
At processing mound 5.The hole bottom in processing hole 2 is equipped with the high-intensitive waterproof plastic film 21 of several layers first, acts on first is that keeping away
Exempt from the Water deep leaching loss in processing hole 2, two can be prevented from saline and alkaline underground water in the undisturbed soil of 2 lower section of processing hole cheats to processing
It is permeated in 2, plays preferable buffer action.Several perforation rows mutually are arranged in parallel on high-intensitive waterproof plastic film 21
Water pipe 23, and uniformly spreading covers the sandstone bed course 22 of perforated drain pipe 23 on high-intensitive waterproof plastic film 21.It is husky
Stone bed course 22 can use gradation sandstone, to promote osmotic effect.The top of sandstone bed course 22 is laid with several layers geotechnique filter cloth
24, geotechnological filter cloth 24 can prevent the topsoil in processing hole 2 from leaking into sandstone bed course 22.The setting of water treatment facilities 3 is eluted to exist
Outside processing hole 2, elutes and be connected with drainage collection general pipeline 31 on water treatment facilities 3, drainage collection general pipeline 31 is threaded through sandstone bed course
In 22, and it is connected with one end of all perforated drain pipes 23.When carrying out impregnating elution to topsoil, first to processing hole 2
Middle injection is a large amount of to impregnate washing water, impregnates the top that washing water did not had processing mound 5, realizes the mesh impregnated to topsoil
's.Impregnating washing water can be using the rainwater collected in step S2, can also be using qualified underground water and surface water, Yi Jijing
Cross the elution recycle-water for reaching washing water water supply standard after washing water processing unit 3 is handled.Pass through elution water treatment facilities 3 simultaneously
The water extraction of perforated drain pipe 23 will be penetrated into, and supplement impregnates washing water into processing hole 2 frequently.By repeatedly impregnating leaching repeatedly
After washing, topsoil is handled up to standard to salt alkali content, it can be modified.
Qualified underground water, surface water and reach after washing water mainly uses the water to elute using the recycle-water of standard
Soil in salt alkali content be no more than planting soil require saline and alkaline limitation.
The modified major measure taken is that the crushed straw aggregate after compost treatment and organic plant are added into topsoil
Object glue, and uniform mixing.The crushed straw aggregate of addition and the weight of organic plant glue are the 5%~10% of soil weight.Wherein
The crushed straw aggregate that crushed straw aggregate is handled preferably through aerobic compost.Modified purpose is the organic matter in increase topsoil,
Increase the shatter value of topsoil simultaneously.Further, it is also possible to which the other biological within soil weight 5% is added in topsoil
Organic fertilizer, charcoal or natural plant gum.Topsoil after modification can satisfy the growth demand of vegetation, can be used as conjunction
The planting soil of lattice is backfilled on crude salt alkali plot.
The laying of barrier layer can be carried out with the topsoil elution modification in step S3 within the same time in step S4,
The time is handled to save.It is to prevent the capillary of underground water in the purpose of the saline and alkaline plot upper berth handicapping interlayer of desurfacing soil
Effect generates saline and alkaline return.
According to the difference of salt-soda soil geological hydrology condition, the setting of barrier layer includes form below:
1, several layers highstrenghtpiston mulch, even application between every layer are laid on the salt-soda soil of desurfacing soil
The organic plant glue of 3mm~5mm thickness backfills the topsoil of 400mm or more thickness on barrier layer.Spray the mesh of organic natural plant gum
Be prevent highstrenghtpiston's mulch occur local damage when underground water caused salt is had an impact to the topsoil of top
Alkali is return.This barrier layer is seldom suitable for groundwater run off, and groundwater level is lower, and the lesser situation of underground water ph value.
2, the innoxious flyash or flying ash of 100mm~150mm thickness are laid on the salt-soda soil of desurfacing soil,
Highstrenghtpiston's mulch that one layer of two sides is coated with 3mm thickness organic plant glue is set on innoxious flyash or flying ash,
The topsoil of 300mm or more is backfilled on barrier layer.Innoxious flyash or flying ash after being routed on salt-soda soil, wherein
The silicon contained passes through the alkali-activated carbonatite in saline and alkaline, is capable of forming certain intensity, can obstruct underground water transmission.Highstrenghtpiston
Film and organic plant glue can obstruct underground water, avoid underground water shadow before innoxious flyash or flying ash form intensity
Ring the topsoil above barrier layer.In addition, sandstone can be added in innoxious flyash or flying ash to improve intensity.This
Kind barrier layer is larger suitable for groundwater run off, and groundwater level is higher, and the higher situation of underground water ph value.
3, the innoxious flyash or flying ash of 100mm~150mm thickness are laid on the salt-soda soil of desurfacing soil,
And alkali-activator is added, the organic plant glue of 5mm thickness is set on innoxious flyash or flying ash, is backfilled on barrier layer
The topsoil of 300mm or more.By the way that alkali-activator is added, contain in underground water saline and alkaline is cooperated to innoxious flyash or to burn
Flying dust progress alkali-activated carbonatite is burnt to be allowed to form certain intensity.In addition, sandstone can be added in innoxious flyash or flying ash
To improve intensity.This barrier layer is larger suitable for underground water water, and groundwater level is higher, and underground water ph value is lower
Situation.
4, for beach saline land, the sea sand of 150mm~300mm thickness is laid on the salt-soda soil of desurfacing soil,
Alkali-activator is added in sea sand, makes silicon in sea sand hardened formation some strength in the presence of alkali.It can be with above sea sand
Laying high-strength degree plastic film, the organic natural plant gum of spraying, a certain amount of flyash can also be added in sea sand, helps sea sand plate
Knot forms intensity.
In step s 5, high-intensitive waterproof film is covered on the saline and alkaline plot being disposed, and carries out the collection of rainwater, and
The processing of step S3~S5 is carried out to another group of saline and alkaline plot, finally all processing can extremely plant vegetation by two groups of saline and alkaline plot
State, be finally reached the purpose that salt-soda soil and desertification are administered.
The present invention effectively can carry out comprehensive treatment to salt-soda soil and desertification, and be able to maintain controlling for long period
Effect is managed, avoids the failure that the accumulation of salt in the surface soil causes vegetation to plant during vegetation is formed, and processing cost is low, the time of consuming
It is shorter.
Only preferred embodiments of the present invention will be described for above-mentioned specific embodiment, and not to guarantor of the invention
Shield range is defined.Under the premise of not departing from design concept of the present invention and scope, those skilled in the art
Provided verbal description, attached drawing various modifications to made by technical solution of the present invention, substitution and improvement according to the present invention,
It should belong to protection category of the invention.Protection scope of the present invention is determined by claim.
Claims (16)
1. a kind of salt-soda soil and desertification administering method, which comprises the following steps:
S1: carrying out region division to salt-soda soil to be processed in the form of nine grids, handles in nine grids middle section setting topsoil
, topsoil is set in topsoil Treatment stations and elutes reforming apparatus and elution water treatment facilities；
S2: around the topsoil Treatment stations apart from one another by four pieces of salt-soda soils to be processed on the high-intensitive waterproof plastic foil of covering,
Rainwater is collected to use for topsoil Treatment stations；
S3: it removes for collecting the topsoil in saline and alkaline plot to be processed between the saline and alkaline plot of rainwater in step S2, by what is dug out
Topsoil is transported to topsoil Treatment stations, impregnate several times to topsoil in topsoil elution reforming apparatus and drench
It washes, processing is up to standard to salt alkali content, and salt alkali number handles topsoil up to standard and is modified, and then waits backfill；
S4: the saline and alkaline plot upper berth handicapping interlayer after desurfacing soil in step s3；
S5: the modification topsoil in step S3 is backfilled to crude salt alkali plot, reaches plantation thickness requirement, and in upper soll layer
The high-intensitive waterproof plastic foil of covering, carries out covering organic maintenance, is collected simultaneously rainwater and uses for topsoil Treatment stations；
S6: the processing as described in step S3~S5 is carried out the saline and alkaline plot to be processed for collecting rainwater in step S2；
S7: maintenance is poured to organic matter waste water of the saline and alkaline plot being disposed in step S5 and step S6 after innoxious, is made
The improvement that reaches require, and carry out vegetation plantation.
2. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step s3, to table
Layer soil carries out impregnating the immersion washing water of elution including the rainwater collected in step S2 and step S5, the earth's surface of less salt basicity
Reach the elution recycle-water of elution water supply standard after water, the underground water of less salt basicity or the processing of scrubbed water treatment facilities.
3. a kind of salt-soda soil as claimed in claim 2 and desertification administering method, which is characterized in that reach elution water supply standard
Elution recycle-water elution after soil in salt alkali content be no more than planting soil saline and alkaline content limit requirement.
4. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step S3 and step S6
In, according to the difference of planting soil depth requirements, remove the topsoil of saline and alkaline plot surface 400mm~600mm thickness.
5. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step s3, surface layer
Soil modification is that the crushed straw aggregate and organic plant that pass through compost is added in saline and alkaline topsoil up to standard after elution processing
Glue, and uniform mixing, the weight that the crushed straw aggregate and organic plant glue Jing Guo compost is added is the 5%~10% of soil weight.
6. a kind of salt-soda soil as claimed in claim 5 and desertification administering method, which is characterized in that saline and alkaline after elution processing
It spends and biological organic fertilizer, charcoal or natural plant gum is added in topsoil up to standard, biological organic fertilizer, charcoal or natural plant gum is added
Weight be soil weight 5% within.
7. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step s 4, described
Barrier layer includes several layers highstrenghtpiston's mulch, the organic plant glue of even application 3mm~5mm thickness between every layer of mulch,
In step S5, the modification topsoil thickness backfilled above barrier layer is in 400mm or more.
8. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step s 4, barrier
Layer includes 1 layer of highstrenghtpiston's mulch and the 3mm thickness organic plant glue in highstrenghtpiston's mulch two sides even application, is being obstructed
The innoxious flyash or flying ash of layer lower section landfill 100mm~150mm thickness backfill above barrier layer in step s 5
Modified topsoil thickness is in 300mm or more.
9. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step s 4, described
Barrier layer includes the organic plant glue of 5mm thickness and the innoxious flyash or flying ash of 100mm~150mm thickness below,
In step s 5, the modification topsoil thickness backfilled above barrier layer is in 300mm or more.
10. a kind of salt-soda soil and desertification administering method as claimed in claim 8 or 9, which is characterized in that in innoxious fine coal
Sandstone are added in ash or flying ash.
11. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step s 4, described
Barrier layer includes the sea sand of 150mm~300mm thickness, and alkali-activator is uniformly added into sea sand makes sea sand form solidification basic unit.
12. a kind of salt-soda soil as claimed in claim 11 and desertification administering method, which is characterized in that in the solidification basic unit
Upper covering several layers highstrenghtpiston's mulch.
13. a kind of salt-soda soil as claimed in claim 11 and desertification administering method, which is characterized in that in the solidification basic unit
Upper several organic plant glue of spraying.
14. a kind of salt-soda soil as claimed in claim 11 and desertification administering method, which is characterized in that add in the sea sand
Add several innoxious flyash or flying ash.
15. a kind of salt-soda soil as described in claim 1 and desertification administering method, which is characterized in that in step sl, described
Topsoil elution reforming apparatus includes the processing hole excavated on topsoil Treatment stations, and the bottom in the processing hole is covered with high intensity
Waterproof plastic film is equipped with sandstone bed course on the waterproof plastic film of high intensity, is equipped in the sandstone bed course
Several perforated drain pipes parallel to each other are covered with geotechnological filter cloth, the elution water treatment facilities above the sandstone bed course
Setting is outer in processing hole, is connected with drainage collection general pipeline on the elution water treatment facilities, one end of the perforated drain pipe is equal
It is connected on drainage collection general pipeline, the processing pit edge heap is equipped with the mound for being higher than former terrace h eight, on the inside of the mound
Topsoil to be processed is stacked, topsoil forms height and is higher than former terrace h eight, the processing soil lower than mound overhead height
Heap, washing water is impregnated in injection on the processing mound, impregnates the top that washing water did not had processing mound, the elution water process
Reuse after the water penetrated into drainage collection general pipeline by perforated drain pipe is extracted out and handled by facility.
16. a kind of salt-soda soil as claimed in claim 15 and desertification administering method, which is characterized in that excavate in the processing hole
Depth is 600mm, within the mound top distance processing hole hole bottom distance 1500mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811294553.7A CN109429605A (en) | 2018-11-01 | 2018-11-01 | A kind of salt-soda soil and desertification administering method |
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| CN201811294553.7A CN109429605A (en) | 2018-11-01 | 2018-11-01 | A kind of salt-soda soil and desertification administering method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110612792A (en) * | 2019-09-10 | 2019-12-27 | 中国科学院新疆生态与地理研究所 | Method for improving agricultural water and fertilizer utilization efficiency of desert facilities by utilizing porous membrane |
| CN114303504A (en) * | 2021-12-30 | 2022-04-12 | 上海孙桥溢佳农业技术股份有限公司 | Water collecting and draining device and saline-alkali soil improvement method |
| CN114632814A (en) * | 2022-03-04 | 2022-06-17 | 大唐同舟科技有限公司 | Drainage basin ecological restoration structure and method adopting fly ash |
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