CN105993274A - Saline-alkali soil improving method - Google Patents
Saline-alkali soil improving method Download PDFInfo
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- CN105993274A CN105993274A CN201610389799.7A CN201610389799A CN105993274A CN 105993274 A CN105993274 A CN 105993274A CN 201610389799 A CN201610389799 A CN 201610389799A CN 105993274 A CN105993274 A CN 105993274A
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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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
Abstract
The invention discloses a saline-alkali soil improving method. The method includes the steps of leveling the terrain of selected saline-alkali soil, laying salt disc elimination harge closed underground pipes, installing a bitter water desalting system to desalt crude water and collected salty water of the saline-alkali soil to provide fresh water for irrigation salt content restraining and irrigation, primarily conducting primary salt elimination on the saline-alkali soil through irrigation salt content restraining, adjusting the soil structure through a saline-alkali soil modifier, providing trace elements required by plants, planting salt-tolerant plants for further reducing salt content, conducting underground salt elimination through the combination of drip irrigation-micro jet devices and the salt-tolerant plants, and executing information maintenance management on the area of the saline-alkali soil. The method integrates biology, physics, chemistry and water conservancy methods, and is small in water resource consumption, rapid in effect, not prone to salt returning and more beneficial to plant growth.
Description
Technical field
The present invention relates to alkaline land improving technical field, be specifically related to a kind of saline-alkali soil improvement method.
Background technology
Salt-soda soil is distribution on global a kind of soil types widely, is a kind of important land resource.Whole world salt
Alkali ground area is about 15,000,000,000 mu, China's salt-soda soil area about 5.4 hundred million mu, accounts for a thirtieth of the whole world；
Ploughing about 0.9 hundred million mu in China salt-soda soil, China ploughs and only has 1,500,000,000 mu, accounts for the near of China's cultivated area
1/15th.Have become as the maximum barrier of restriction China's improvement of the ecological environment and agricultural sustainable development at present
Hinder.Meanwhile, along with the large-area reclamation of wasteland in soil, the soil that irrational irrigation and water quality deterioration are brought
The most former speed development not having of earth salination.Therefore, Saline-alkali Field Control is global problem, is also
Whole world study hotspot.
Salt-soda soil plantation at present is general uses soil moved in improve the original plantation or original soil improvement plantation, at present, arranging of original soil improvement
Execute generally biological, physics, chemistry, water conservancy four meas ures.Physically improved usual employing is by deep ploughing, putting down
Whole soil, it is filled with soil moved in improve the original, sandstone, lid grass etc. and improves soil constituent and structure, strengthen soil moisture monitoring.
The method narrow application range, and the easily accumulation of salt in the surface soil.Water conservancy improvement is the irrigation and drainage system by Erecting and improving, accomplishes
Fill, row separately, strengthen management of the use of water, strictly control groundwater level, by flushing of pouring water, draw flood and warp
Deng, continuous drip washing and the salinity got rid of in soil.The method quantities is big, and it is serious to consume water resource.Change
Learn improvement by alkaline earth, alkali soil, the soda-saline soil applying modifying agent such as Gypsum Fibrosum, Alumen preparata, reducing or eliminate
Soil alkali divides, and improves soil physico-chemical property.Biological modification use plantation and turn over green manure herbage, straw-returning,
Use bacterial manure, plantation salt-tolerant plant, afforestation etc., increase soil fertility, improve Soil structure, and press down
The accumulation of salt in the surface soil processed.Although chemistry and biological modification method can to a certain degree improve Soil structure, but the most single depending on
Relatively costly by this method, and elapsed time is longer, therefore, salt-soda soil construction need badly a kind of low cost,
The modification method that salt tolerance effects is stable.
Summary of the invention
The technical problem to be solved is: the deficiency existed for prior art, it is provided that a kind of saline and alkaline
Land soil method, uses biology, physics, and chemical, original soil is improved by the integrated approach of water conservancy,
Consumption water resource is less, and improvement time is shorter, and can suppress the accumulation of salt in the surface soil.
For solving above-mentioned technical problem, the technical scheme is that
A kind of saline-alkali soil improvement method, comprises the following steps:
(1) landform arranges: the salt-soda soil that will improve arranges, level land carry out height dig low fill and lead up whole,
Heavy grade is less than 15 °；
(2) salt discharge hidden pipe is laid: lay salt discharge hidden pipe, the described salt discharge hidden pipe depth of burying with machine for trenching and burying pipe
For 0.7-1.8m, the gradient is 0.3 ‰-0.5 ‰, and described salt discharge hidden pipe is arranged with in parallel a plurality of, institute
Stating two adjacent salt discharge hidden pipe spacing is 20-30m, is also equipped with and connects with each salt discharge hidden pipe
Collector pipe, described salt discharge hidden pipe and described collector pipe buried underground after in time backfill, and ridging
In case water breakthrough sink, initiating terminal and road surface to be backfilling and compacted；
(3) desalination water equipment is installed: installing bitter cleaning system, described brackish water desalination system connects respectively
Logical former pond and fresh-water pool, described fresh-water pool connection feed pipe；
(4) pressure of pouring water salt: subregion carries out pressure salt of pouring water, pressure salt of pouring water in arbor planting area employing plant pit,
Pour water pressure salt time fill whole plant pit, shrub is planted, turf, by planting area use plantation
Before, during and after the mode repeatedly sprayed carry out pressure salt of pouring water；
(5) modifying agent is used: use alkaline land modifying agent to improve alkaline land soil, described salt-soda soil
Modifying agent includes powder and water preparation, dilutes 300-500 times of pressure salt of pouring water, regulation with described water preparation
Original soil basicity, with described powder and the original soil mixed planting plant of 1:2-5 by weight；
(6) salt-tolerant plant plantation: select the seedling growth that Saline alkali tolerance is strong, to ensure during Nursery stock transplanting
The integrity of seedling root soil ball；
(7) drip irrigation-micro-spraying equipment is laid: micro-profit pipe that described drip irrigation-micro-spraying equipment includes being embedded in underground and
Micro-nozzle on the ground, described micro-profit pipe and micro-nozzle are provided with multiple and be arranged in parallel, described
Being provided with multiple rotary nozzle on micro-nozzle, described micro-profit pipe and micro-nozzle are by described feed pipe
Connect described fresh-water pool；
(8) information-based maintenance management: salinity index and seedling growth to soil monitor in real time, arrange in time
Salt is also sprayed insecticide and fertilizer, and prunes nursery stock in time.
The wetting body that micro-profit pipe that drip irrigation-micro-spraying equipment uses is formed in soil is the cylinder centered by pipe
Body, salt is driven into cylindrical outer rim, forms a high salt deposit in outer rim, is shaped like the steel of steel pipe
Wall, therefore, claims " steel pipe effect " by the salt effect of driving of micro-profit pipe.It is wetting body inside the tube wall of " steel pipe ",
Also being the execution region irrigated, the main root system of plant is distributed in wetting body.Due to the soil in this region
Earth is desalinated, and plant is no longer influenced by Salt Strees Condition, makes on salt-soda soil planting site by can be as on normal soil
The same normal growth, meanwhile, salt discharge hidden pipe by the saline in " steel pipe " high salt deposit outward through collector pipe collection
It is transported in former pond standby.
As the preferred scheme of one, in step (2), described salt discharge hidden pipe uses polyethylene mono-shell hole-punched ripple
Stricture of vagina pipe, described salt discharge hidden pipe periphery parcel 8cm sand filtering material, it is uniform that described sand filtering material chooses large or fine granule branch
Natural sand.
As the preferred scheme of one, in step (3), described bitter cleaning system includes being sequentially communicated
Former pond, booster water pump, horizontal media filter, antisludging agent chemicals dosing plant, cartridge filter, water under high pressure
Pump, reverse osmosis unit and water purifying tank.
As a kind of improved plan, described bitter cleaning system also includes cleaning sledge block, described cleaning sledge
Block includes cleaning case, cleaned filter and cleans pump, within every 4-8 month, uses described cleaning sledge block to clean described
Bitter cleaning system is once.
As the preferred scheme of one, in step (5), described alkaline land modifying agent includes powder and water preparation,
Described powder includes following component by weight: organobentonite 10-15 part, property of modified rectorite 2-5 part,
Fertilizer 10-20 part, humus 10-20 part, compound fertilizer's 15-30 part, aminoacid 3-8 part, polypropylene
Amide 0.5-1 part, biological flora 0.3-1 part；
Described water preparation includes following component by weight: citric acid 12-20 part, maleic anhydride 20-35 part,
Pyroligneous acid 10-20 part, aminoacid 3-5 part, free humic 3-5 part, polyacrylamide 0.2-0.5 part.
As the preferred scheme of one, the preparation method of property of modified rectorite is: by rectorite ball mill ball milling
Become fine powder, and calcine, then carry out organically-modified as intercalator, finally with cetyl trimethylammonium bromide
Organic rectorite modification obtained and polypropylene fusion are blended on Double helix screw machine and are prepared as modified tired torr
Stone.
As the preferred scheme of one, described biological flora includes bacillus subtilis, light and antibacterial, fixed nitrogen
At least two of bacterium, Bacillus licheniformis, colloid bacillus cereus, trichoderma and silicate bacteria.
As the preferred scheme of one, in step (5), during plantation arbor, before plantation, use described water preparation
Dilute 300-500 times of pressure salt of pouring water, during plantation, described powder is mixed all with original soil 1:2-5 by weight
Even filling tree well, after plantation, with the water preparation pouring of described dilution 400-600 times.
As the preferred scheme of one, in step (5), when plantation shrub and lawn, before plantation, soil table
Face uniform spreading spills described powder 0.5-1.5 thickness and turns over, with the water of described dilution 300-600 times after plantation
Agent is sprayed or pouring.
As the preferred scheme of one, in step (6), the plant that Saline alkali tolerance is strong includes: Vitex rotundifolia,
Suaeda salsa, Robinia pseudoacacia L., white beeswax, Chinese scholar tree, elm, Broussonetia papyrifera, pumila, Luan Shu, Hibiscus syriacus L. and Herba Apocyni veneti.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
The invention provides a kind of biological, physics, chemistry, water conservancy integrated approach, first by selected salt-soda soil
Landform carries out smooth, lays for subsequent pipeline and pressure salt of pouring water provides basis；Then salt discharge hidden pipe is laid, after
Continuous pour water pressure salt time, by collector pipe, saline is transported in former pond by brine collection by salt discharge hidden pipe；
Brackish water desalination system is installed, carries out desalinating by former for salt-soda soil water and collection saline and press salt and pouring to carry for pouring water
For fresh water, will salt-soda soil bitter Appropriate application, again can be the most all right with fresh-water-saving cost of transportation
Salt tolerant degree according to plant regulates the desalination degree of bitter in time, it is to avoid the wasting of resources.
Early stage uses pressure salt of pouring water tentatively alkaline land soil to be carried out preliminary salt discharge, then uses alkaline land improving
Soil structure is adjusted by fertilizer, and provides the trace element needed for plant；Then plant salt-tolerant plant, enter
One step reduces salinity.Alkaline land modifying agent is divided into powder and water preparation, according to different different the using of Plant choosing
Mode, on the one hand reduces soil alkalinity, improves Soil structure；On the other hand needed for plant is provided organic and
Trace element.
Meanwhile, drip irrigation-micro-spraying equipment combines salt-tolerant plant and jointly descends salt discharge, and drip irrigation-micro-spraying equipment utilizes micro-
Profit irrigation technique, different plant selectable in combination under micro-profit and spraying on the ground, according to crop water requirement,
With slowly go out stream mode for plant roots district in real time, automatically, in good time, continuous water supply in appropriate amount, be a kind of province
Water, descend irrigation technique continuously efficiently.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate this
Invention rather than restriction the scope of the present invention.In addition, it is to be understood that read the present invention lecture content it
After, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within equally
The application appended claims limited range.
The formula of embodiment 1 alkaline land modifying agent
Described alkaline land modifying agent includes powder and water preparation,
Described powder includes following component by weight: organobentonite 10 parts, property of modified rectorite 3 parts, has
Fertile 15 parts of machine, 12 parts of humus, compound fertilizer 18 parts, 7 parts of aminoacid, polyacrylamide 0.8 part, raw
Thing flora 0.5 part；
Rectorite ball mill ball milling is become fine powder, and calcines, then make with cetyl trimethylammonium bromide
Intercalator carries out organically-modified, and the organic rectorite finally modification obtained and polypropylene fusion are blended in double spiral shell
It is prepared as property of modified rectorite on rotation screw machine.
Described fertilizer is animal wastes and straw；Described compound fertilizer is that potash fertilizer, phosphate fertilizer and nitrogenous fertilizer are by weight
Amount part 2:6:8 mixes, and described biological flora includes bacillus subtilis, trichoderma, nitrogen-fixing bacteria and silicon
Hydrochlorate bacterium.
Described water preparation includes following component by weight: citric acid 14 parts, maleic anhydride 28 parts, pyroligneous acid
15 parts, 5 parts of aminoacid, free humic 4 parts, polyacrylamide 0.3 part.
Embodiment 2
Select one piece of Weifang beach saline land, plant Broussonetia papyrifera.
Landform arranges: the salt-soda soil that will improve arranges, level land carry out height dig low fill and lead up whole, maximum slope
Degree is less than 12 °；
Salt discharge hidden pipe is laid: laying salt discharge hidden pipe with machine for trenching and burying pipe, the described salt discharge hidden pipe depth of burying is 1.5m,
The gradient is 0.3 ‰, the effectively water suction area in every mitron road should be no less than 31c/M, all inlet openings of pipe shaft
Should be at bottom trough, on same circumference, inlet opening number is 3, and described salt discharge hidden pipe is arranged with in parallel many
Bar, described two adjacent salt discharge hidden pipe spacing are 30m, are also equipped with and catchmenting that each salt discharge hidden pipe connects
Pipe, described salt discharge hidden pipe and described collector pipe backfill after having buried underground in time, and ridging is in case water breakthrough sink,
Initiating terminal and road surface to be backfilling and compacted；
Desalination water equipment is installed: installing bitter cleaning system, described bitter cleaning system includes connecting successively
Logical former pond, booster water pump, horizontal media filter, antisludging agent chemicals dosing plant, cartridge filter, height
Water pump, reverse osmosis unit and water purifying tank.Described bitter cleaning system also include clean sledge block, described clearly
Wash sledge block include cleaning case, cleaned filter and clean pump, within every 6 months, use described cleaning sledge block to clean institute
State bitter cleaning system once.Described cleaning sledge block can be placed on region, salt-soda soil, carries in time when needing
For.
Broussonetia papyrifera is planted: excavate plant pit according to arbor soil ball, and plant pit diameter is more than Broussonetia papyrifera soil ball 30cm, and plant pit is deep
Degree is 1.2m；Use plant pit to pour water pressure salt, first fill whole plant pit with fresh water, then will by salt discharge hidden pipe
Saline is discharged, and is carried out continuously three days, then coordinates the water preparation of alkaline land modifying agent to pour water pressure salt, by described water
Dilution agent 500 times use, continuous salt discharge two days；By the powder 2:1 by weight of original soil and alkaline land modifying agent
Ratio stirs to obtain composite soil, is planted in plant pit by Broussonetia papyrifera with described composite soil；Described water preparation is diluted 600
Pouring plant pit determines root again；
Drip irrigation-micro-spraying equipment is laid: described drip irrigation-micro-spraying equipment includes the micro-profit pipe being embedded in underground, described
Micro-profit pipe is provided with multiple and be arranged in parallel, described micro-profit pipe by fresh-water pool described in described fresh water pipeline communication,
Described salt discharge hidden pipe is parallel with micro-profit pipe and is crisscross arranged, and described salt discharge hidden pipe is arranged on adjacent two micro-profit pipes
Circumference intersection.
Information-based maintenance management: salinity index and the Broussonetia papyrifera growth monitoring in real time to soil, when containing of soil
When salt volume index is more than 0.1%, then in time the water preparation of alkaline land modifying agent is diluted and spray soil, every 10 days
Spray insecticide once, and in time nursery stock is pruned.
Processing through above, the six months from May to November, soil is loose relatively before, and breathability improves,
Salinity drops to 0.025 from 0.23, is suitable to common plant growth, and organic matter brings up to from 2.56g/kg
4.12g/kg, available phosphorus content brings up to 62/kg from 8.4mg/kg, is more beneficial for the growth of plant.
From above effect it can be seen that use this soil improvement method, water resources consumption is few, instant effect, no
The easily accumulation of salt in the surface soil, and the raising of nutrient is more beneficial for the growth of plant.
Embodiment 3
Selecting one piece of Weifang beach saline land, turf plant, lawn species is high Rhizoma Imperatae.
Landform arranges: the salt-soda soil that will improve arranges, level land carry out height dig low fill and lead up whole, maximum slope
Degree is less than 8 °.
Salt discharge hidden pipe is laid: laying salt discharge hidden pipe with machine for trenching and burying pipe, the described salt discharge hidden pipe depth of burying is 0.6m,
The gradient is 0.3 ‰, and described salt discharge hidden pipe is arranged with in parallel a plurality of, and described two adjacent salt discharge hidden pipe spacing are
30m, is also equipped with the collector pipe connected with each salt discharge hidden pipe.
Desalination water equipment is installed: installing bitter cleaning system, described bitter cleaning system includes connecting successively
Logical former pond, booster water pump, horizontal media filter, antisludging agent chemicals dosing plant, cartridge filter, height
Water pump, reverse osmosis unit and water purifying tank.Described collector pipe connects former pond, and the connection of described water purifying tank is supplied water
Pipe.
Planting lawn: soil surface spreads the powder thickness 0.5cm of alkaline land modifying agent, and then deep plough 25cm,
After the water preparation of alkaline land modifying agent diluted 500 times spray soil surfaces, repeated to spray once every 5 days, altogether
Spray 2 times；Soil to be planted is transplanted turf；After turf plantation, irrigate soil, during Cheng Ping,
Turf is sprayed every 5 days water preparations with the alkaline land modifying agent of dilution 2000 times.
Drip irrigation-micro-spraying equipment is laid: described drip irrigation-micro-spraying equipment includes burying underground micro-nozzle on the ground, described micro-
Jet pipe is provided with multiple and be arranged in parallel, described micro-nozzle is provided with multiple rotary nozzle, between rotary nozzle
Away from for 4.5m*4.5m, effective radius of spray is less than 3m, and described micro-nozzle is described by the connection of described feed pipe
Fresh-water pool.
Information-based maintenance management: salinity index and lawn growth to soil monitored, in real time when containing of soil
When salt volume index is more than 0.1%, then in time the water preparation of alkaline land modifying agent is diluted and spray soil, every 10 days
Spray insecticide once, and in time nursery stock is pruned.
Processing through above, the six months from May to November, soil is loose relatively before, and breathability improves,
Salinity drops to 0.03 from 0.24, is suitable to common plant growth, and organic matter brings up to from 2.87g/kg
4.56g/kg, available phosphorus content brings up to 56/kg from 8.4mg/kg, is more beneficial for the growth of plant, simultaneously
Lawn reach more than 90%, and upgrowth situation is good.
From above effect it can be seen that use this soil improvement method, water resources consumption is few, instant effect, no
The easily accumulation of salt in the surface soil, and the raising of nutrient is more beneficial for the growth of plant.
Claims (10)
1. a saline-alkali soil improvement method, it is characterised in that comprise the following steps:
(1) landform arranges: the salt-soda soil that will improve arranges, level land carry out height dig low fill and lead up whole,
Heavy grade is less than 15 °；
(2) salt discharge hidden pipe is laid: lay salt discharge hidden pipe, the described salt discharge hidden pipe depth of burying with machine for trenching and burying pipe
For 0.7-1.8m, the gradient is 0.3 ‰-0.5 ‰, and described salt discharge hidden pipe is arranged with in parallel a plurality of, institute
Stating two adjacent salt discharge hidden pipe spacing is 20-30m, is also equipped with and connects with each salt discharge hidden pipe
Collector pipe, described salt discharge hidden pipe and described collector pipe buried underground after in time backfill, and ridging
In case water breakthrough sink, described salt discharge hidden pipe and the initiating terminal of described collector pipe and road surface pressure to be backfilled
Real；
(3) desalination water equipment is installed: installing bitter cleaning system, described bitter cleaning system connects respectively
Logical former pond and fresh-water pool, described fresh-water pool connection feed pipe, the connection of described collector pipe is described former
Pond；
(4) pressure of pouring water salt: subregion carries out pressure salt of pouring water, pressure salt of pouring water in arbor planting area employing plant pit,
Pour water pressure salt time fill whole plant pit, shrub is planted, turf, by planting area use plantation
Before, during and after the mode repeatedly sprayed carry out pressure salt of pouring water；
(5) modifying agent is used: use alkaline land modifying agent to improve alkaline land soil, described salt-soda soil
Modifying agent includes powder and water preparation, dilutes 300-500 times of pressure salt of pouring water, regulation with described water preparation
Original soil basicity, with described powder and the original soil mixed planting plant of 1:2-5 by weight；
(6) salt-tolerant plant plantation: select the seedling growth that Saline alkali tolerance is strong, to ensure during Nursery stock transplanting
The integrity of seedling root soil ball；
(7) drip irrigation-micro-spraying equipment is laid: described drip irrigation-micro-spraying equipment includes micro-profit pipe and the ground of underground
Micro-nozzle, described micro-profit pipe is provided with multiple with micro-nozzle and be arranged in parallel, described micro-nozzle
On be provided with multiple rotary nozzle, described micro-profit pipe connects institute with micro-nozzle by described feed pipe
State fresh-water pool；
(8) information-based maintenance management: salinity index and seedling growth to soil monitor in real time, arrange in time
Salt is also sprayed insecticide and fertilizer, and prunes nursery stock in time.
2. a kind of saline-alkali soil improvement method as claimed in claim 1, it is characterised in that in step (2),
Described salt discharge hidden pipe uses polyethylene mono-shell hole-punched bellows, the parcel 8cm sand filtration of described salt discharge hidden pipe periphery
Material, described sand filtering material chooses the uniform natural sand of large or fine granule branch.
3. a kind of saline-alkali soil improvement method as claimed in claim 1, it is characterised in that in step (3),
Former pond that described bitter cleaning system includes being sequentially communicated, booster water pump, horizontal media filter,
Antisludging agent chemicals dosing plant, cartridge filter, high-pressure hydraulic pump, reverse osmosis unit and water purifying tank.
4. a kind of saline-alkali soil improvement method as claimed in claim 3, it is characterised in that described bitter is clean
Change system also includes cleaning sledge block, and described cleaning sledge block includes cleaning case, cleaned filter and cleans pump,
Within every 4-8 month, described cleaning sledge block is used to clean described bitter cleaning system once.
5. a kind of saline-alkali soil improvement method as claimed in claim 1, it is characterised in that in step (5),
Described powder includes following component by weight: organobentonite 10-15 part, property of modified rectorite 2-5 part,
Fertilizer 10-20 part, humus 10-20 part, compound fertilizer's 15-30 part, aminoacid 3-8 part, poly-third
Acrylamide 0.5-1 part, biological flora 0.3-1 part；
Described water preparation includes following component by weight: citric acid 12-20 part, maleic anhydride 20-35 part, wood
Acetic acid 10-20 part, aminoacid 3-5 part, free humic 3-5 part, polyacrylamide 0.2-0.5 part.
6. a kind of saline-alkali soil improvement method as claimed in claim 5, it is characterised in that the tired torr of described modification
The preparation method of stone is: rectorite ball mill ball milling is become fine powder, and calcines, then use cetyl
Trimethylammonium bromide carries out organically-modified as intercalator, the organic rectorite finally modification obtained and poly-third
Alkene melt blending is prepared as property of modified rectorite on Double helix screw machine.
7. a kind of saline-alkali soil improvement method as claimed in claim 5, it is characterised in that described biological flora
Including bacillus subtilis, light and antibacterial, nitrogen-fixing bacteria, Bacillus licheniformis, colloid bacillus cereus, wood
Mycete and at least two of silicate bacteria.
8. a kind of saline-alkali soil improvement method as claimed in claim 1, it is characterised in that in step (5),
During plantation arbor, before plantation, described water preparation is used to dilute 300-500 times of pressure salt of pouring water, during plantation, will
Described powder mix homogeneously with original soil 1:2-5 by weight filling tree well, after plantation, use described dilution
The water preparation pouring of 400-600 times.
9. a kind of saline-alkali soil improvement method as claimed in claim 1, it is characterised in that in step (5),
When plantation shrub and lawn, before plantation, soil surface uniform spreading spills described powder 0.5-1.5 thickness and turns over
Plough, spray or pouring with the water preparation of described dilution 300-600 times after plantation.
10. a kind of saline-alkali soil improvement method as claimed in claim 1, it is characterised in that in step (6),
The plant that Saline alkali tolerance is strong includes: Vitex rotundifolia, Suaeda salsa, Robinia pseudoacacia L., white beeswax, Chinese scholar tree, elm,
Broussonetia papyrifera, pumila, Luan Shu, Hibiscus syriacus L., high Rhizoma Imperatae and Herba Apocyni veneti.
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Cited By (27)
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| CN106489342A (en) * | 2016-10-19 | 2017-03-15 | 山东旺盛园林股份有限公司 | A kind of local improving method of salt-soda soil planting soil |
| CN106613489A (en) * | 2017-01-05 | 2017-05-10 | 潍坊友容实业有限公司 | Water storage nutrient bowl for saline alkali land and preparation method thereof |
| CN106961869A (en) * | 2017-04-17 | 2017-07-21 | 乔长晟 | A kind of method in improvement salt-soda soil |
| CN106973576A (en) * | 2017-05-22 | 2017-07-25 | 内蒙古百合生态科技有限公司 | Improve the construction method with greening a kind of desert saline |
| CN107011911A (en) * | 2017-03-30 | 2017-08-04 | 深圳市铁汉生态环境股份有限公司 | Beach saline land modifying agent, its preparation method and beach saline land modification method |
| CN107087453A (en) * | 2017-06-15 | 2017-08-25 | 梁勇 | The method for improveing salt-soda soil |
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| 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 |
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| CN107371676A (en) * | 2017-06-26 | 2017-11-24 | 连晓华 | A kind of method of salt-soda soil planting forage grass |
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| CN107243504A (en) * | 2017-07-20 | 2017-10-13 | 北京绿安创华环保科技股份有限公司 | A kind of closed loop rubbish repair saline-land of dissolving desertifies ground and the method repaired with position of soot |
| CN107243504B (en) * | 2017-07-20 | 2020-07-24 | 北京绿安创华环保科技有限公司 | Closed-loop garbage digestion and saline-alkali land desertification land and garbage yard in-situ remediation method |
| CN107455035A (en) * | 2017-08-03 | 2017-12-12 | 内蒙古和盛生态育林有限公司 | A kind of salt-soda soil, the ecology garden landscape remodeling method of swale |
| CN107318447A (en) * | 2017-08-15 | 2017-11-07 | 中国科学院地理科学与资源研究所 | The tall shrub implantation methods of arid area shallow groundwater table heavy salinized ground drip irrigation |
| 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 |
| CN108130098A (en) * | 2018-01-12 | 2018-06-08 | 常州大学 | The controlling device and method of a kind of coastal saline soil |
| CN108668555A (en) * | 2018-04-19 | 2018-10-19 | 山东中天水土资源生态开发建设有限公司 | A kind of saline and alkali land improvement method and system based on hidden pipe and salt alkaline tolerance rice |
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| CN110463393B (en) * | 2019-08-28 | 2022-03-18 | 吉林省闻名生态农业有限公司 | Saline-alkali soil improvement system and improvement method thereof |
| CN110734769A (en) * | 2019-12-04 | 2020-01-31 | 吉林省农业科学院 | saline-alkali soil improver |
| CN111819944A (en) * | 2020-07-21 | 2020-10-27 | 鲁东大学 | Desalination method for repairing saline soil by combining plant bionics and salinity crystallization inhibitor |
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