CN106817947A - A kind of method that alkali drops in strand weight cement salinized soil quick desalination - Google Patents
A kind of method that alkali drops in strand weight cement salinized soil quick desalination Download PDFInfo
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- CN106817947A CN106817947A CN201710124084.3A CN201710124084A CN106817947A CN 106817947 A CN106817947 A CN 106817947A CN 201710124084 A CN201710124084 A CN 201710124084A CN 106817947 A CN106817947 A CN 106817947A
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- soil
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- salinized
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- salt
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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
Abstract
The present invention relates to the method that alkali drops in a kind of strand weight cement salinized soil quick desalination, the method comprises the following steps：1) underground salt discharge：In the underground of beach salty soil by design custom requirements arrangement hidden pipe desalting system；2) addition improvement reagent：The first step mixes Solid aluminum sulfate, second step in the soil body：By poly- maleic acid elder generation dilute with water, solution is configured, added from the water inlet of irrigation water, carried out with reference to big water wash, slowly poured into the soil body；3) big water wash；4) organic matter and/or organic fertilizer are applied.The inventive method is easy to operate, alkali drops simultaneously in desalination processes, planting technique soil requirement, and efficiency high are reached, incorporation engineering construction is carried out, do not delay the construction period, improvement cost is relatively low, and it is planting technique soil that can improve then, and realization is improved then, take effect then, engineering cost is not higher than the mode of beach saline land soil moved in improve the original displacement.
Description
Technical field
The invention belongs to agrology field, it is related to a kind of technology of rehabilitating soil, more particularly to a kind of improvement coastal saline-alkali
Area weight cement salinized soil is a kind of method of planting technique soil.
Background technology
Urban green space is the important symbol for reflecting the civilized and good human settlement of modern city.Improve the covering of urban green space
Rate, improves the structure of urban green space, the operation of science and safeguards urban green space, it is played bigger ecology and Landscape benefit,
It is the important goal of modern urban construction and management.Coastal saline-alkali area greenery patches is poor due to soil quality, and ventilating permeable is poor, leads
Cause plant growing way weak and death, have a strong impact on the sustainable development of Green Space Construction and the maintenance of green landscape.
Coastal region salinized soil feature, ventilating permeable is poor, soil physics dysplasia, and soil quality steady decay etc. is asked
Topic evolve as Main Barrier Factors, had a strong impact on the exploitation of land resource and the process of saline land greening and into
This.Plant health growth not only needs the nutrient supply of sufficient balance, in addition it is also necessary to have each soil physical chemistry condition such as water, air and heat good
The good environment coordinated, the sustainable development of agricultural relies on the sustainable use of soil after all, and the sustainable use of soil
Depend on the continuous improvement of soil texture and the maintenance of fertility.
Existing beach saline land greening technique, soil amelioration techniques mix sand in salt-soda soil, apply organic fertilizer etc.,
Addition allogenic material is relied primarily on, incorporation is big, is 15-20%, it is desirable to mix uniformly, effect is relatively good, but in desalination processes
Alkalize, i.e. pH is raised, and using soil conditioner, mostly high molecular polymer, high cost can only be in upper soll layer or shallow-layer
0-20cm works.But if after root system of plant gos deep into lower soil 30cm, conventional improving technology measure is not easy to implement
Deep layer operation, lump of earth is hard, big, and, because of hardened viscous weight, ventilating water seepage is poor, tree root growth retardation for soil, influences vegetation water
Divide and nutrient absorption is utilized, plant will engender decline.Solonchak or barged-in fill are directly utilized similarly for coastal area in future,
Upgrade materials are mixed, pH is raised in desalination processes, is alkalized, improvement difficulty is big, costly.It is enough to visible existing improvement skill
The deficiency of art.
Rich clay improvement is planting technique soil, it is necessary first to improves its permeability, increases penetrating power, could quick desalination
Drop alkali so that this area is poor because of soil quality, greening sustainable development is restricted.The present invention comprehensively changes for the viscous weight of salinized soil
It is good, from two kinds of conventional substances, clayey soil is improved permeability rapidly, also promote heavily salted soil in the process of desalination
In, while reducing pH, the generation of secondary alkalization is prevented and treated, the condition of plant setting is reached, efficiency high, less investment promotes weight cement
Salinized soil is quickly repaired and effective sustainable utilization, and the direct low cost improvement of salinized soil of attaching most importance to provides a kind of engineering for planting technique soil
Technique.
The content of the invention
First improve soil physics structure the invention provides a kind of, afterwards using big water wash salinity, recycle agriculture and green
The ground organic waste of itself returns soil, increases fertility, increases fertility of land, and is the technological approaches that low cost continues rehabilitating soil,
It is a kind of saving round-robin method of amelioration of soils.
The technical solution adopted by the present invention is：
A kind of method that alkali drops in coastal region weight cement salinized soil quick desalination, the method comprises the following steps：
1) underground salt discharge：In the underground of beach salty soil by design custom requirements arrangement hidden pipe desalting system；
2) addition improvement reagent：The first step mixes Solid aluminum sulfate, second step in the soil body：Poly- maleic acid is first used
Water dilutes, and has configured solution, is added from the water inlet of irrigation water, is carried out with reference to big water wash, slowly pours into the soil body；
3) big water wash：Poured using flood, dividing 2-3 times is carried out, first time consumption is 0.6-0.7 tons/m2, (with the soil body
Surface retain the 10cm waters surface, namely head for 10cm be stop water consumption foundation)；Sump delivery port, leaching are closed before pouring
The bubble soil body, after 12 hours, opens outlet valve, and the salt solution after drip washing drains salt solution by desalting system；Second
Drip washing, water consumption is 0.4-0.6 tons/m2, outlet valve is opened after 12 hours, salt solution is discharged, soil root system is detected, when water-soluble
Property salt total amount≤3.00g/kg, pH<When 8.5, stop watering Irrigation, when this index is not reached, carry out drip washing of pouring water for the third time,
Consumption is 0.2-0.5 tons/m2, outlet valve is opened after 12 hours, salt solution is discharged, detect soil root system.
4) organic matter and/or organic fertilizer are applied：
After salt discharge, the soil body is dried, and when soil moisture content is in 15-20%, applies the one kind in organic matter or organic fertilizer or two
Kind；During plant trees, each tree sowing amount is 3-5 kilograms；Plant lawn, according to the 10- of soil body volume in table soil 0-30cm
15% consumption is applied, after being mixed uniformly with mechanical cultivation, transplant lawn or sowing.
Hidden pipe desalting system engineering construction should meet《Hidden pipe improves salt-soda soil technical regulation》TD/T 1043.2-
2013 pertinent regulations.
Preferably, described step 2) be：The first step mixes Solid aluminum sulfate in the soil body, by plantation layer (arbor
Counted according to depth 100cm, shrub is counted according to depth 60cm, lawn is counted according to depth 40cm, crops are counted according to depth 30cm) soil
The 0.8-1.0% additions of earth weight are mixed, and are mixed using machinery or manually mixed, and are mixed uniform；(addition can not be less than
0.8%, can not be higher than 1.0%；The very few effect of addition does not reach production requirement；Addition is excessive, DeGrain, preventing and treating
Generation aluminium toxicity)；Second step：In terms of the weight for improveing planting soil, measure and use poly- maleic acid by the 0.6% of its weight,
Poly- maleic acid elder generation dilute with water, poly- maleic acid is 1 with the volume ratio of water:3, solution is configured, from entering for irrigation water
The mouth of a river adds, and is carried out with reference to big water wash, slowly pours into the soil body.
Preferably, described step 3) in use water requirement reach field irrigation water quality standard, wherein water quality requirement is necessary
Meet salinity<2.5g/kg,5.5<pH<8.0.
Described organic matter be the pharmaceutical factory dregs of a decoction, furfural dregs, the vinasse of brewery, treaster or agriculture and forestry organic waste material in one kind or
Two or more combinations；Described agriculture and forestry organic waste material is formed for the dry branches and fallen leaves of agricultural stalk and/or greenery patches generation becomes thoroughly decomposed.
Described organic fertilizer is one or more the group in cow dung, pig manure, chicken manure, wormcast, compound organic fertilizer
Close.
Preferably, the heavy cement salinized soil is water soluble salt total amount >=3g/kg (or pH >=8.5), unit weight >=1.4g/
cm3, porosity<50%, soil permeability coefficient<10-4S/cm, organic matter<2%, it is impossible to conventional plant of transplanting, the salt of heavy texture
Stain soil.
By the implementation of above ameliorative measure, soil function index reaches the standard of saline land greening planting soil, i.e., water-soluble
Property salt total amount≤3g/kg, pH<8.5, unit weight≤1.35g/cm3, porosity>50%, soil permeability coefficient>10-4S/cm, soil
Organic matter >=2%.
The present invention is had the advantage that：
The inventive method is easy to operate, drops alkali in desalination processes simultaneously, reaches planting technique soil and requires, and efficiency high,
Incorporation engineering construction is carried out, and does not delay the construction period, and improvement cost is relatively low, and it is planting technique soil that can improve then, realizes working as
Year improvement, takes effect then, and engineering cost is not higher than the mode of beach saline land soil moved in improve the original displacement.
Specific embodiment
With reference to specific embodiment, the invention will be further described, but does not limit protection scope of the present invention.
Embodiment 1
In " Binhai New District solely flows distributary, new Yongding River original soil improvement project " undertaken the construction of, apply this de- within 2015
The method that alkali drops in salt, this project is that original soil improves project, and the soil body derives from the solonchak of bed-silt hydraulic reclamation, original soil saliferous
Height, the viscous weight of soil property, structural difference, is shown in Table 1, and specific implementation step is as follows：
Table 1:Part soil physico-chemical index of March 23 before construction in 2015
The inventive method, comprises the following steps：
1) engineerings salt discharge：According to the design embedded salt discharging pipe of the anti-channeling of laying, 4 meters of tube pitch, 1.0 meters of pipe buried depth.
2) addition improvement reagent：The first step mixes Solid aluminum sulfate in the soil body, by plantation layer (based on depth 100cm)
0.8% addition of soil weight is mixed, and is mixed using machinery, is mixed uniform；Second step：In terms of the weight for improveing planting soil, press
Poly- maleic acid is used in measuring for the 0.6% of its weight, poly- maleic acid elder generation dilute with water, the body of poly- maleic acid and water
Product is than being 1:3, solution has been configured, added from the water inlet of irrigation water, carried out with reference to big water wash, slowly pour into the soil body.
3) big water wash：Poured using flood, dividing 2 times is carried out, first time consumption is 0.7 ton/m2, (stayed with soil body surface
Deposit the 10cm waters surface, namely head for 10cm be stop water consumption foundation)；The water requirement of use reaches field irrigation water quality standard,
Wherein water quality requirement must is fulfilled for salinity<2.5g/kg,5.5<pH<8.0, sump delivery port, immersion soil are closed before pouring
Body, after 12 hours, opens outlet valve, and the salt solution after drip washing drains salt solution by desalting system；Second drip washing,
Water consumption is 0.5 ton/m2, outlet valve is opened after 12 hours, salt solution is discharged, detect soil root system, water soluble salt total amount<
3.00g/kg, pH<8.5, stop watering Irrigation.
4) organic fertilizer is applied：
After salt discharge, the soil body is dried, and when soil moisture content is in 15-20%, applies wormcast；Plant arbor be Chinese wax, Chinese scholar tree,
Elm, willow, the tree diameter of a cross-section of a tree trunk 1.3 meters above the ground is 8cm, and each tree sowing amount is 5 kilograms；Mixed with the soil after improvement, after being backfilled around tree root system
Compacting, waters according to plant requirement.
Table 2：On December 9th, 2016
Embodiment 2
1st, improvement drip washing experiment：We load solonchak from plastic tub, and per basin, soil weighs 900 grams, from beach salty soil, contains
Salt amount 2.14%, pH8.37, setting CK (control is solonchak), sulfuric acid aluminum concentration 0.8%, 1.0%, poly- maleic acid 0.6%,
Standing grain health improvement totally 5 treatment of agent concentration 1.0%, 1.2%, each treatment is repeated 5 times.Amount of reagent and soil by different disposal is uniform
Basin is filled after blending, the dress soil 900g per basin.After the completion of soil sample filling, aluminum sulfate is to be mixed after solid is added according to above consumption
Even, other are liquid, are weighed according to consumption, are diluted with water in adding per basin after 600mL, reagent is fully reacted with soil.
After water has drenched after 12 hours, soil root system is determined, reach requirement, see the table below.
2nd, lawn sowing experiment：1g ryegrass seeds are broadcast per basin, its growing way is observed.After rye grass emerges, given every 3 days
Water 50mL is poured into per basin.After planting from emergence rate, biomass, addition aluminum sulfate and poly- maleic acid combination formula, output of seedling,
Growth potential plant height, the upperground part biomass, higher than standing grain health soil conditioner treatment group is added, is much better than control, and control does not almost have
Emerge.This more shows that aluminum sulfate and poly- maleic acid combination formula are that one kind can make the viscous high alkali-salinity soil soil quick desalination drop alkali in strand
The modifying agent of low cost.
3 and the comparative analysis of conventional modifying agent：Aluminum sulfate and the combination of poly- maleic acid are added, domestic routine soil changes
Good dose of standing grain health, with the solonchak for being not added with any improved component, each physical and chemical index is analyzed as follows table.
Claims (5)
1. a kind of method that alkali drops in coastal region weight cement salinized soil quick desalination, it is characterised in that：The method includes following step
Suddenly：
1) underground salt discharge：In the underground of beach salty soil by design custom requirements arrangement hidden pipe desalting system；
2) addition improvement reagent：The first step mixes Solid aluminum sulfate, second step in the soil body：Poly- maleic acid is first dilute with water
Release, configured solution, added from the water inlet of irrigation water, carried out with reference to big water wash, slowly pour into the soil body；
3) big water wash：Poured using flood, dividing 2-3 times is carried out, first time consumption is 0.6-0.7 tons/m2, collection is closed before pouring
Well delivery port, soaks the soil body, after 12 hours, outlet valve is opened, the salt solution after drip washing by desalting system salt
Water is drained；Second drip washing, water consumption is 0.4-0.6 tons/m2, outlet valve is opened after 12 hours, discharge salt solution, detection soil
Earth index, as water soluble salt total amount≤3.00g/kg, pH<When 8.5, stop watering Irrigation, when this index is not reached, carry out the
Three drip washing of pouring water, consumption is 0.2-0.5 tons/m2, outlet valve is opened after 12 hours, salt solution is discharged, detect soil root system；
4) organic matter and/or organic fertilizer are applied：
After salt discharge, the soil body is dried, and when soil moisture content is in 15-20%, applies one or two in organic matter or organic fertilizer；Plant
When planting trees wooden, each tree sowing amount is 3-5 kilograms；Plant lawn, the 10-15% according to soil body volume in table soil 0-30cm is used
Amount is applied, after being mixed uniformly with mechanical cultivation, transplant lawn or sowing.
2. the method that alkali drops in a kind of coastal region weight cement salinized soil quick desalination according to claim 1, its feature exists
In：Described step 2) be：The first step mixes Solid aluminum sulfate in the soil body, adds by the 0.8-1.0% of plantation layer soil weight
Plus mix, mixed using machinery or manually mixed, mix uniform；Second step：In terms of the weight for improveing planting soil, by its weight
Poly- maleic acid is used in 0.6% measure, poly- maleic acid elder generation dilute with water, and poly- maleic acid is 1 with the volume ratio of water:
3, solution has been configured, added from the water inlet of irrigation water, carried out with reference to big water wash, slowly pour into the soil body.
3. the method that alkali drops in a kind of coastal region weight cement salinized soil quick desalination according to claim 1 or claim 2, its feature exists
In：Described step 3) in use water requirement reach field irrigation water quality standard, wherein water quality requirement must is fulfilled for salinity<
2.5g/kg,5.5<pH<8.0。
4. the method that alkali drops in a kind of coastal region weight cement salinized soil quick desalination according to claim 1 or claim 2, its feature exists
In：Described organic matter be the pharmaceutical factory dregs of a decoction, furfural dregs, the vinasse of brewery, treaster or agriculture and forestry organic waste material in one or two
Combination above；Described agriculture and forestry organic waste material is formed for the dry branches and fallen leaves of agricultural stalk and/or greenery patches generation becomes thoroughly decomposed；Described has
Machine fertilizer is one or more the combination in cow dung, pig manure, chicken manure, wormcast, compound organic fertilizer.
5. the method that alkali drops in a kind of coastal region weight cement salinized soil quick desalination according to claim any one of 1-4, its
It is characterised by：The heavy cement salinized soil is water soluble salt total amount >=3g/kg (or pH >=8.5), unit weight >=1.4g/cm3, hole
Degree<50%, soil permeability coefficient<10-4S/cm, organic matter<2%, it is impossible to conventional plant of transplanting, the salinized soil of heavy texture.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333480A (en) * | 2017-08-03 | 2017-11-10 | 北京康亿农牧生物科技发展有限责任公司 | Promote the method for the quick Leaching and desalinization of sticky salt affected soil |
| CN108264429A (en) * | 2018-02-08 | 2018-07-10 | 中国热带农业科学院环境与植物保护研究所 | A kind of coastal tidal salt lick soil conditioner and its preparation and application |
| CN114467807A (en) * | 2022-02-21 | 2022-05-13 | 中国水产科学研究院渔业机械仪器研究所 | Method for removing salt and reducing alkali in chloride type saline-alkali pond |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251735A (en) * | 1999-11-12 | 2000-05-03 | 天津经济技术开发区总公司园林绿化公司 | Desalinizing technique using buried pipeline for seaside salinized ground with higher underground water level |
| CN101288377A (en) * | 2008-02-04 | 2008-10-22 | 内蒙古农业大学 | Tree planting method in alkaline land |
| CN102517027A (en) * | 2011-12-02 | 2012-06-27 | 暨南大学 | Modifying agent for soda-alkalized paddy field soil |
| CN102612881A (en) * | 2012-01-16 | 2012-08-01 | 许威武 | Soil reformation method |
| CN103109615A (en) * | 2013-03-05 | 2013-05-22 | 北京天食和谷农业科技有限公司 | Improvement method for saline-alkali soil |
-
2017
- 2017-03-03 CN CN201710124084.3A patent/CN106817947B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251735A (en) * | 1999-11-12 | 2000-05-03 | 天津经济技术开发区总公司园林绿化公司 | Desalinizing technique using buried pipeline for seaside salinized ground with higher underground water level |
| CN101288377A (en) * | 2008-02-04 | 2008-10-22 | 内蒙古农业大学 | Tree planting method in alkaline land |
| CN102517027A (en) * | 2011-12-02 | 2012-06-27 | 暨南大学 | Modifying agent for soda-alkalized paddy field soil |
| CN102612881A (en) * | 2012-01-16 | 2012-08-01 | 许威武 | Soil reformation method |
| CN103109615A (en) * | 2013-03-05 | 2013-05-22 | 北京天食和谷农业科技有限公司 | Improvement method for saline-alkali soil |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333480A (en) * | 2017-08-03 | 2017-11-10 | 北京康亿农牧生物科技发展有限责任公司 | Promote the method for the quick Leaching and desalinization of sticky salt affected soil |
| CN108264429A (en) * | 2018-02-08 | 2018-07-10 | 中国热带农业科学院环境与植物保护研究所 | A kind of coastal tidal salt lick soil conditioner and its preparation and application |
| CN114467807A (en) * | 2022-02-21 | 2022-05-13 | 中国水产科学研究院渔业机械仪器研究所 | Method for removing salt and reducing alkali in chloride type saline-alkali pond |
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Address after: No. 26 Muning Road, Economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee after: Tianjin TEDA Green Technology Group Co.,Ltd. Address before: No. 26 Muning Road, Economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: TIANJIN TEDA GREENING GROUP Co.,Ltd. |
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