CN113491181B - Saline-alkali treatment system for garden sites in coastal regions and construction method - Google Patents
Saline-alkali treatment system for garden sites in coastal regions and construction method Download PDFInfo
- Publication number
- CN113491181B CN113491181B CN202110843497.3A CN202110843497A CN113491181B CN 113491181 B CN113491181 B CN 113491181B CN 202110843497 A CN202110843497 A CN 202110843497A CN 113491181 B CN113491181 B CN 113491181B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- water collecting
- water
- soil
- saline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention relates to the technical field of saline-alkali soil improvement construction, in particular to a saline-alkali soil treatment system and a construction method for garden sites in coastal areas, wherein an overground water supply system and an underground water collecting system are arranged to irrigate saline-alkali soil, rainwater can be matched to permeate into the saline-alkali soil to take away salt, the salt finally flows into a water collecting pipeline and is pumped into a reservoir, the salt is diluted and then is pumped into the water supply system to circularly irrigate the saline-alkali soil, so that the soil can be desalinated for a long time, and the prevention and treatment of the saline-alkali soil are realized; the green plants are arranged on the ground, the bottom lining film is arranged below the green plants, salt and alkali flow to a water collecting pipeline along with water under the leaching effect of irrigation in the watering process, the capillary action of soil is blocked by the bottom lining film, the salt and alkali under the film can not rise along with underground water, one part of the alkali in the soil on the upper layer of the film is decomposed by the modifier, and the other part of the alkali in the soil on the upper layer of the film is cut off the water rising of the capillary tube due to the film, so that the soil moisture can be effectively prevented from being lost, and the salt return of the soil on the lower layer is inhibited.
Description
Technical Field
The invention relates to the technical field of saline-alkali soil improvement construction, in particular to a saline-alkali treatment system and a construction method for a garden site in a coastal region.
Background
The saline-alkali soil refers to the soil with excessive soluble salts accumulated on the surface layer, various saline-alkali soils are formed under certain conditions, and the essence of the formation is that various soluble salts are redistributed in the horizontal direction and the vertical direction on the ground, so that the salts are gradually accumulated on the surface layer of the soil in a salt collecting area, large-area soil resources are difficult to utilize due to saline-alkali harm, and the comprehensive agricultural production capacity is reduced.
For coastal areas which are soaked in seawater for a long time and have soil with severe salinization, the soil must be improved before agricultural production, so that the soil structure can firstly meet the requirements of plant growth, and the saline-alkali soil can be effectively desalinated for a long time after a period of control work. However, the traditional concealed pipe salt elimination technology has large construction work amount and slow soil salt elimination process, and is not beneficial to improving the overall appearance landscape of the soil.
In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, so as to create a saline-alkali treatment system and a construction method for garden sites in coastal areas, and the saline-alkali treatment system and the construction method are more practical.
Disclosure of Invention
The invention aims to provide a saline-alkali treatment system and a construction method for a garden site in a coastal region aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a saline-alkali treatment system for garden sites in coastal regions comprises a water collecting system buried underground, a water supply system and vegetation communities which are arranged on the ground;
the water collecting system comprises a plurality of water collecting pipelines arranged in parallel and a water discharging pipeline connected with the plurality of water collecting pipelines;
the vegetation community comprises a plurality of groups of green plants arranged side by side, and each group of green plants is arranged along the length direction of the water collecting pipeline;
the water supply system comprises a plurality of water supply pipelines, a water storage tank and a main pipeline, wherein the water supply pipelines are arranged in parallel;
the drainage pipeline with the main pipeline respectively through first water pump and second water pump with the cistern intercommunication, the water collecting pipe with the water supply pipeline all sets up to the straight tube, the water supply pipeline with every group green planting corresponds the setting.
Furthermore, two groups of the green plants which are adjacently arranged are symmetrically arranged at the two sides of the water collecting pipeline, and a bottom lining film is buried in soil below each group of the green plants.
Further, the distance between two adjacent groups of green plants is the same as the distance between two adjacent water collecting pipelines.
Furthermore, the bottom lining film is arranged along the length direction of the water collecting pipeline, and the depth of the bottom lining film embedded in the ground is smaller than the embedded depth of the water collecting pipeline.
Furthermore, the water collecting pipes are all corrugated pipes, water permeable holes are formed in concave positions of the corrugated pipes, and non-woven fabrics are coated on the concave positions of the water collecting pipes, which are provided with the water permeable holes.
Furthermore, an organic filter material is arranged on the outer ring of the water collecting pipeline.
Further, the burying depth H of the water collecting pipeline is calculated according to the following formula:
H=h+Δh+r；
h is the burying depth of the water collecting pipes, H is the burying depth of the underground water which allows the plants to slightly accumulate salt, delta H is the difference between the underground water level in the middle of the two adjacent water collecting pipes and the water level in the water collecting pipes, and r is the depth of the water level in the water collecting pipes.
Further, the Kochia scoparia is arranged between two adjacent groups of the green plants.
A construction method of a saline-alkali treatment system for garden sites in coastal areas comprises the following steps:
s1: digging a plant trench in a first direction at one side edge of the ground;
s2: laying a bottom lining film in the plant groove along a first direction;
s3: backfilling the plant grooves, planting a plurality of green plants on the plant grooves along a first direction, and correspondingly arranging a water supply pipeline;
s4: spaced a distance from the plant trench in a second direction and continuing to excavate the pipeline trench in the first direction
S5: laying a water collecting pipeline in the pipeline groove along the first direction, and connecting one end of the water collecting pipeline with a drainage pipeline;
s6: laying a layer of organic filter material on the outer ring of the water collecting pipeline, and backfilling a pipeline groove;
s7: digging the plant trench along the first direction along the plant trench and the pipeline trench at the same distance in the second direction;
s8: and repeating the steps S2-S7 to finish the construction of the whole saline-alkali soil.
Furthermore, when the plant trench is dug along the first direction at one edge of the ground, the main pipeline trench is dug along the second direction at the adjacent edge of the plant trench, the drainage pipeline is buried, and the main pipeline is arranged at the same time;
and arranging a reservoir outside the saline-alkali soil land, and respectively communicating the main pipeline and the drainage pipeline with the reservoir.
The invention has the beneficial effects that: in the invention, the saline-alkali soil is irrigated by arranging the ground water supply system and the underground water collecting system, rainwater can be matched to permeate into the saline-alkali soil to take away salt, and finally the salt flows into the water collecting pipeline and is pumped into the reservoir, and the diluted salt is pumped into the water supply system to circularly irrigate the saline-alkali soil, so that the soil can be desalinated for a long time, and the prevention and control of the saline-alkali soil are realized;
the green plants are arranged on the ground, the bottom lining film is arranged below the green plants, salt and alkali flow to a water collecting pipeline along with water under the leaching effect of irrigation in the watering process, the capillary action of soil is blocked by the bottom lining film, the salt and alkali under the film can not rise along with underground water, one part of the alkali in the soil on the upper layer of the film is decomposed by the modifier, and the other part of the alkali in the soil on the upper layer of the film is cut off the water rising of the capillary tube due to the film, so that the soil moisture can be effectively prevented from being lost, and the salt return of the soil on the lower layer is inhibited.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a salination treatment system in an embodiment of the present invention;
FIG. 2 is a schematic plan view of a salination treatment system in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a salinization construction process in the embodiment of the present invention.
Reference numerals: 11. a water collection pipe; 12. a water drainage pipeline; 13. an organic filter material; 14. a pipe trench; 21. planting green; 22. a bottom lining film; 23. the preparation method comprises the following steps of (1) preparing broom cypress; 24. a plant groove; 31. a water supply pipeline; 32. a main conduit; 33. and (7) a water reservoir.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The saline-alkali treatment system for the garden sites in the coastal areas as shown in fig. 1 to fig. 2 comprises a water collecting system buried underground, a water supply system and vegetation communities arranged on the ground;
the water collecting system comprises a plurality of water collecting pipelines 11 arranged in parallel and a water discharging pipeline 12 connected with the plurality of water collecting pipelines 11; the vegetation community comprises a plurality of groups of green plants 21 arranged side by side, and each group of green plants 21 is arranged along the length direction of the water collecting pipeline 11; the water supply system comprises a plurality of water supply pipelines 31 arranged in parallel, a water storage tank 33 and a main pipeline 32 connected with the plurality of water supply pipelines 31;
further, the water discharge pipeline 12 and the main pipeline 32 are respectively communicated with the water storage tank 33 through a first water pump and a second water pump, the water collection pipeline 11 and the water supply pipeline 31 are both set to be straight pipes, and the water supply pipeline 31 and each group of green plants 21 are correspondingly arranged.
In the invention, water is respectively pumped into the reservoir 33 and pumped out by the first water pump and the second water pump, the salinity in the pumped high salinity water is taken away by the reservoir 33, the desalted weak salinity water is pumped out of the reservoir 33, passes through the main pipeline 32 and is irrigated and watered to the green plants 21 by the plurality of water supply pipelines 31, a soil conditioner is applied to the green plants 21 before the green plants 21 are watered, and specifically, halophilic and alkaline microbe bacterial manure is applied.
In the implementation process, each water collecting pipeline 11 is arranged between two adjacent groups of green plants 21, specifically, the two adjacent groups of green plants 21 are symmetrically arranged at two sides of the water collecting pipeline 11, and a bottom lining film 22 is buried in soil below each group of green plants 21; the distance between two adjacent groups of green plants 21 is the same as the distance between two adjacent water collecting pipelines 11, the bottom lining film 22 is arranged along the length direction of the water collecting pipelines 11, and the buried depth of the bottom lining film 22 to the ground is smaller than that of the water collecting pipelines 11.
As a preferred embodiment of the water collecting pipes 11, the water collecting pipes 11 are all configured as corrugated pipes, and water permeable holes are formed in recesses of the corrugated pipes, and non-woven fabrics are coated on the recesses of the water collecting pipes 11, in which the water permeable holes are formed, and organic filter materials 13 are disposed on outer rings of the water collecting pipes 11. The corrugated pipe has the advantages of thin wall, light weight, high flexibility, high surface aperture ratio, high compressive strength, acid and alkali corrosion resistance, easy construction and low cost, and is widely adopted. The holes of the corrugated pipe are punched in the concave positions of the corrugations, so that moisture can enter the corrugated pipe conveniently, the corresponding holes of the corrugated pipe are coated with one layer of non-woven fabric, silt and the like are blocked to a certain extent, and the redundant moisture can be discharged conveniently without blocking the pipe.
Further, the burying depth H of the water collecting pipe 11 is calculated according to the following formula:
H=h+Δh+r；
wherein, H is the burying depth of the water collecting pipes 11, H is the burying depth of the groundwater allowing slight salt accumulation of the plants, Δ H is the difference between the groundwater level in the middle of two adjacent water collecting pipes 11 and the water level in the water collecting pipes 11, and r is the depth of the water level in the water collecting pipes 11.
Furthermore, the Kochia scoparia 23 is arranged between two adjacent groups of green plants 21, the requirement of the Kochia scoparia 23 on soil is not strict, and the Kochia scoparia 23 has strong adaptability, is light-loving, barren-resistant, cold-resistant and high-temperature-resistant, and has strong saline-alkali resistance; the root system of the Kochia scoparia 23 is relatively powerful, can fix soil and protect slopes, prevents water and soil loss, can not only be through changeable molding and beautiful rich-color construction landscape, can also prevent gardens water and soil loss.
In the invention, as shown in fig. 3, a construction method of the saline-alkali treatment system for the garden sites in the coastal areas is also disclosed, which comprises the following steps:
s1: digging a plant trench 24 in a first direction at one edge of the ground;
s2: laying a bottom liner film 22 in a plant trench 24 in a first direction;
s3: backfilling the plant grooves 24, planting a plurality of green plants 21 on the plant grooves along a first direction, and correspondingly arranging a water supply pipeline 31;
s4: spaced from plant trench 24 in a second direction and continuing to excavate pipeline trench 14 in the first direction
S5: laying a water collecting pipeline 11 in a first direction in the pipeline groove 14, and connecting one end of the water collecting pipeline 11 with a drainage pipeline 12;
s6: laying a layer of organic filter material 13 on the outer ring of the water collecting pipeline 11, and backfilling a pipeline groove 14;
s7: digging the plant trench 24 in the first direction along the plant trench 24 and the pipe trench 14 the same distance in the second direction;
s8: and repeating the steps S2-S7 to complete the construction of the whole saline-alkali soil.
Further, the main pipe 32 is provided while digging the plant trench 24 in the first direction at one edge of the ground and the main pipe trench and burying the drain pipe 12 in the second direction at the adjacent edge thereof; a reservoir 33 is provided outside the saline-alkali soil, and the main pipe 32 and the drain pipe 12 are respectively communicated with the reservoir 33.
In the invention, the bottom lining film 22 arranged below the green plants 21 has better treatment and improvement effects than the bottom non-lining film, salt and alkali flow to the bottom of the soil layer along with water due to the leaching effect of irrigation in the watering process, the capillary action of the soil is blocked by the lining film, so that the salt and alkali below the film cannot rise along with underground water, one part of the alkali in the soil on the upper layer of the film is decomposed by the modifier, and the other part of the alkali rises due to the cutting of the capillary by the film, thus effectively preventing the water loss of the soil and inhibiting the salt return of the soil on the lower layer.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A saline-alkali treatment system for garden sites in coastal regions is characterized by comprising a water collecting system buried underground, a water supply system and a vegetation community, wherein the water supply system and the vegetation community are arranged on the ground;
the water collecting system comprises a plurality of water collecting pipelines arranged in parallel and a water discharging pipeline connected with the plurality of water collecting pipelines;
the vegetation community comprises a plurality of groups of green plants arranged side by side, and each group of green plants is arranged along the length direction of the water collecting pipeline;
the water supply system comprises a plurality of water supply pipelines, a water storage tank and a main pipeline, wherein the water supply pipelines are arranged in parallel;
the water collecting pipeline and the water supply pipeline are both arranged as straight pipes, and the water supply pipeline is arranged corresponding to each group of green plants;
two groups of the green plants which are adjacently arranged are symmetrically arranged at the two sides of the water collecting pipeline, and a bottom lining film is embedded in soil below each group of the green plants;
the distance between two adjacent groups of green plants is the same as the distance between two adjacent water collecting pipelines;
the bottom lining film is arranged along the length direction of the water collecting pipeline, and the depth of the bottom lining film embedded in the ground is smaller than the embedding depth of the water collecting pipeline;
the burying depth H of the water collecting pipeline is calculated according to the following formula:
H=h+Δh+r；
h is the burying depth of the water collecting pipes, H is the burying depth of the underground water which allows the plants to slightly accumulate salt, delta H is the difference between the underground water level in the middle of two adjacent water collecting pipes and the water level in the water collecting pipes, and r is the depth of the water level in the water collecting pipes;
and the Kochia scoparia is arranged between two adjacent groups of green plants.
2. The system according to claim 1, wherein the water collecting pipes are corrugated pipes, and water permeable holes are formed in the concave portions of the corrugated pipes, and the water collecting pipes are coated with non-woven fabrics at the concave portions where the water permeable holes are formed.
3. The system for treating salinization of a garden site in a coastal region as claimed in claim 2, wherein an organic filter material is arranged on the outer ring of the water collecting pipeline.
4. A construction method of a saline-alkali treatment system for a garden site in a coastal region is characterized in that the saline-alkali treatment system for the garden site is applied to any one of the claims 1 to 3, and comprises the following steps:
s1: digging a plant trench in a first direction at one side edge of the ground;
s2: laying a bottom lining film in the plant groove along a first direction;
s3: backfilling the plant groove, planting a plurality of green plants on the plant groove along a first direction, and correspondingly arranging a water supply pipeline;
s4: spacing a certain distance from the plant trench in the second direction, and continuously digging the pipeline trench along the first direction;
s5: laying a water collecting pipeline in the pipeline groove along the first direction, and connecting one end of the water collecting pipeline with a drainage pipeline;
s6: laying a layer of organic filter material on the outer ring of the water collecting pipeline, and backfilling a pipeline groove;
s7: digging the plant trench along the first direction along the plant trench and the pipeline trench at the same distance in the second direction;
s8: and repeating the steps S2-S7 to complete the construction of the whole saline-alkali soil.
5. The method of claim 4, wherein the main trench is dug in a first direction at one edge of the ground, and the main trench is dug in a second direction at an adjacent edge of the ground, and the main trench is buried, and the main trench is installed;
and arranging a reservoir outside the saline-alkali soil land, and respectively communicating the main pipeline and the drainage pipeline with the reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843497.3A CN113491181B (en) | 2021-07-26 | 2021-07-26 | Saline-alkali treatment system for garden sites in coastal regions and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843497.3A CN113491181B (en) | 2021-07-26 | 2021-07-26 | Saline-alkali treatment system for garden sites in coastal regions and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113491181A CN113491181A (en) | 2021-10-12 |
| CN113491181B true CN113491181B (en) | 2022-08-23 |
Family
ID=77996504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110843497.3A Active CN113491181B (en) | 2021-07-26 | 2021-07-26 | Saline-alkali treatment system for garden sites in coastal regions and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113491181B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102197726B (en) * | 2011-06-03 | 2013-02-13 | 兰州大学 | Method for improving seriously saline-alkali land of oasis area and planting high-quality lawn |
| CN204132102U (en) * | 2014-09-25 | 2015-02-04 | 山东胜伟园林科技有限公司 | A kind of saline land water saving irrigating, catchmenting utilizes self-circulation irrigation device |
| CN204741913U (en) * | 2015-06-30 | 2015-11-11 | 潍坊友容实业有限公司 | Saline soil reclamation planting technique and irrigation system |
| CN105230167B (en) * | 2015-10-12 | 2017-03-01 | 潍坊友容实业有限公司 | A kind of heavy salinized land soil in strand and vegetation construction system |
| CN106233848A (en) * | 2016-07-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of root control salt method planted between salt-soda soil Rhizoma Dioscoreae esculentae and Fructus Kochiae |
| CN109970152B (en) * | 2019-04-30 | 2023-09-19 | 山东农业大学 | Saline-alkali soil distributed salty-extraction-to-light-drainage-irrigation coupling improvement system and use method |
| CN212436695U (en) * | 2020-05-14 | 2021-02-02 | 天津市方正园林建设监理中心 | Saline and alkaline land afforestation structure |
-
2021
- 2021-07-26 CN CN202110843497.3A patent/CN113491181B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113491181A (en) | 2021-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100473271C (en) | System engineering method for modifying alkaline land by use of pipe drainage method | |
| CN205030256U (en) | Canopy is planted in saline and alkaline land | |
| CN101283656A (en) | Shallow water level double salt-affected soil raw soil planting and greening method | |
| CN104521363A (en) | Reclamation method for rural residence lands on coastal saline land region | |
| CN108990460A (en) | Beach saline land modification method, beach saline land structure-improved and application | |
| CN102138491B (en) | Soil and ecological control method for coastal beaches | |
| CN103141176A (en) | Method for improving saline soil in excavated grooves of border trees in coastal region | |
| CN102696300A (en) | Method for water seepage, salt discharge and afforestation of low-humidity saline and alkaline beach and application of method | |
| CN110521322A (en) | A kind of alkaline land improving System and method for | |
| CN103718686A (en) | Partial flow collecting, permeation enhancing and evaporation restraining saline land improvement system and method | |
| CN202524735U (en) | Composite concealed conduit for salt elimination and alkalinity reduction in saline-alkali land | |
| CN202455773U (en) | Concealed conduit device for discharging salt and reducing alkali on saline-alkali land | |
| CN106688800B (en) | Water-retaining and fertilizer-retaining land reclamation method for tailing pond | |
| CN112825639A (en) | Coastal saline and alkaline land greening system based on landscaping waste utilization | |
| CN212588783U (en) | Coastal saline-alkali soil engineering improvement system | |
| CN210840602U (en) | Coastal area heavy saline-alkali soil improvement system | |
| CN113491181B (en) | Saline-alkali treatment system for garden sites in coastal regions and construction method | |
| CN203646005U (en) | Local collection permeation-enhancing evaporation-suppression saline-alkali land improvement system | |
| CN210840600U (en) | Saline and alkaline land afforestation soil and water improvement structure | |
| CN212463964U (en) | System for high-efficient improvement coastal saline-alkali soil of water resource circulation | |
| CN213306664U (en) | Garden vegetation restoration system | |
| CN102242543B (en) | Water conservancy system for preventing and treating soil secondary salinization in greenhouses in coastal region | |
| CN212381636U (en) | Saline soil drainage and salt discharge structure without influencing ground greening planting and landscape | |
| CN212278758U (en) | Saline and alkaline land water resource collection and saline and alkaline soil improvement system | |
| CN201070611Y (en) | Device for irrigation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |