CN107853121A - A kind of sloping upland agricultural non-point source pollution integrated control system and method - Google Patents
A kind of sloping upland agricultural non-point source pollution integrated control system and method Download PDFInfo
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- CN107853121A CN107853121A CN201711290461.7A CN201711290461A CN107853121A CN 107853121 A CN107853121 A CN 107853121A CN 201711290461 A CN201711290461 A CN 201711290461A CN 107853121 A CN107853121 A CN 107853121A
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- sloping upland
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention provides a kind of sloping upland agricultural non-point source pollution integrated control system and method, and the system includes Soil Erosion Prevention and Cure system, ecological canal system, step water storage system and terminal purifying system.Soil Erosion Prevention and Cure system can prevent and treat generation, migration and the output of agricultural area source material in source；Ecological canal system can effective silt sediment, purify water, reduce pollutant concentration；Step water storage system can accumulate runoff from upslope, silt sediment, purify water, and iirigation water source is provided for lower section sloping upland；Terminal purifying system is made up of sedimentation basin, anaerobic digester and artificial swamp, for entering river, storage water quality progress ecological intercepting and purification.The present invention makes full use of the orographic condition of sloping upland, the critical process and different phase occurred for pollution of area source during agricultural tillage, effective prevention and control measure and method are taken, that improves sloping upland liquid manure resource recycles efficiency, reduces domatic soil erosion and non-point source pollutant output.
Description
Technical field
The present invention relates to ecological protection, Ides On Prevention And Control of Regional Pollution and water and soil conservation field, specifically a kind of sloping upland agricultural face
Source integrated pollution control system and method.
Background technology
Sloping upland refers to the soil utilized on massif is domatic by tillage method, because the gradient is big, hypsography, has
Productivity is low, and water conservation, fertilizer-preserving ability are poor, the problems such as soil erosion and serious non-point source pollutant output.Reservoir area of Three Gorges is that China slope is ploughed
One of area that ground distribution is concentrated the most, about 0.358 hundred million mu of sloping upland area, more than the 80% of cultivated area in occupied area are remote high
Average level in the whole nation 20%.These sloping uplands are the bases that the reservoir area of Three Gorges people depend on for existence, and reservoir area of Three Gorges silt
With the main source of pollution of area source.
Sloping upland pollution of area source process generally with soil erosion process phase association.Because the domatic gradient of sloping upland is high, drop
After rain reaches earth's surface, by gravity and the combined influence of domatic support force, easily formed along domatic downward quick rainwash, punching
Brush soil and nutriment so that the nutriment required for plant growth forms pollution of area source with runoff and sediment flow behavior.
By taking reservoir area of Three Gorges as an example, the number of dropouts in sloping upland Soil Nitrogen and phosphorus rainy season is respectively 1.038kg/hm2、0.509kg/hm2, it is long-range
It is lost in same region region of no relief horizontal.
Experiment shows that the nitrogen in sloping upland rainwash mainly has nitrate nitrogen and ammonium nitrogen etc., using nitrate nitrogen output as
It is main；Phosphorus element has titanium pigment and particle cluster flow, based on particle cluster flow.Domestic sloping upland Ides On Prevention And Control of Regional Pollution technology master at present
There is the methods of transforming slope into terrace, plant hedge, improved using slow-release fertilizer, tillage control measure；Also researcher controls domatic farming mould by hindering
The generation that the change of formula prevents erosion, ploughed by " Sources controlling-process control-end-o f-pipe -control " to prevent and treat Hills And Low Mountains
Ground-level source pollutes.The application of these technologies, China's soil erosion and the preventing and treating of pollution of area source played an important role.
Although we conduct in-depth research in terms of Ides On Prevention And Control of Regional Pollution single technology, also achieve and larger enter
Step, but China also lacks effective method and control in terms of the integrated control of sloping upland agricultural non-point source pollution and Systematic control
System processed, particularly pollution of area source and soil erosion process binding analysis progress Ides On Prevention And Control of Regional Pollution related ends and few
See.
Based on reservoir area of Three Gorges and Upper Yangtze River sloping upland pollution of area source process and genesis mechanism, the water of sloping upland is considered
Soil resource advantage and disadvantage, forming one includes soil erosion and Ides On Prevention And Control of Regional Pollution, fertility raising, liquid manure resource high-efficiency profit
With the Comprehensive Control system and method being combined, have important practical significance.For people particularly thorny, rainfall is big, ground
The precipitous reservoir area of Three Gorges sloping upland agricultural non-point source pollution preventing and treating integrated control system and method more realistic meaning of shape.
The content of the invention
The invention reside in a kind of sloping upland agricultural non-point source pollution integrated control system and method is provided, by slope runoff resource
Change is recycled, and the nitrogen in slope runoff, phosphorus are realized farthest retention, realize Ides On Prevention And Control of Regional Pollution and cleaning metaplasia
Production, have great importance for preventing and treating sloping upland pollution of area source.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that：
A kind of sloping upland agricultural non-point source pollution integrated control system, including Soil Erosion Prevention and Cure system, ecological canal system,
Step water storage system and terminal purifying system, the Soil Erosion Prevention and Cure system include rill erosion and control terraced bank and plantation
The plant hedge of terraced bank is controlled in rill erosion, the ecological canal system includes drain dyke, setting pot, the step water storage system
System includes the cistern for being distributed in different height, and the terminal purifying system includes sedimentation pond, anaerobic digester, Manual moist
Ground and biological floating bed；The rill erosion control terraced bank be using rill erosion occur critical plane method as interval, the edge on domatic
Contour is built terraced bank and formed；Described drain dyke is divided into two-stage, wherein one-level drain dyke surface laying grass-planting brick, edge
Domatic low-lying place is laid perpendicular to domatic contour, and two level drain dyke is laid along domatic contour, the one-level drain dyke
The setting pot laid with two level drain dyke by centre is connected, and ecological grass is formed after planting hygrophyte in one-level gutter
Ditch；The cistern upper end is provided with the spillway being connected with gutter, and the cistern entrance is connected with ecological grass ditch, gone out
It is connected at mouthful with lower section arable land Irrigation Ditch.
Further, it is 10~20cm that the rill erosion, which controls terraced bank width, is highly 15~20cm.
Further, for the plant hedge based on eurytopicity herbaceos perennial, species include day lily, gold and silver
Flower and false indigo.
Further, the one-level drain dyke and the two level drain dyke are inverted trapezoidal, and described one-level cuts draining
Ditch upper end width is 30~50cm, and lower end width is 10~20cm, and depth is more than 50cm；Described two level drain dyke upper end
Width is 10~20cm, depth 10-20cm.
Further, the setting pot is conical deceleration setting pot, upper end port radius 15-25cm, lower end port radius 5-
10cm, depth 30-50cm, it is installed on drain dyke path.
Further, described hygrophyte is Chinese celery, wild water chestnut, water spinach, one kind in Bermuda grass or its combination.
Further, the cistern sets 1 according to average 20~50 mu of ground scope of confluxing, and the cistern is cylinder
Shape, pond port radius are 0.8~1.0m, and depth is 1.5~3.0m.
Further, the terminal purifying system is made up of pretreatment unit and main body processing unit two parts, described pre-
Processing unit is mainly sedimentation pond, anaerobic digester；The main unit includes artificial swamp and biological floating bed.
A kind of arable land farming pollution of area source method for integrated control, comprises the following steps：
The critical plane method occurred using rill erosion is built terraced bank along contour on domatic, that is, forms rill and invade as interval
Erosion controls terraced bank, controls planting plants hedge on terraced bank to form Soil Erosion Prevention and Cure system in the rill erosion；
Bright ditch form is used on sloping upland, lays slope runoff outgoing route, drain dyke, setting pot and ecology are set
Careless ditch, described drain dyke are divided into two-stage, wherein one-level drain dyke surface laying grass-planting brick, along domatic low-lying place perpendicular to
Domatic contour is laid, and two level drain dyke is laid along domatic contour, and the one-level drain dyke leads to two level drain dyke
The setting pot connection of laying among crossing, ecological grass ditch is formed after hygrophyte is planted in one-level gutter；
Domatic upper setting step water storage system, the step water storage system by domatic where sloping upland from high to low, from
Multiple cisterns of top to bottm distribution are formed by connecting, and the cistern upper end is provided with the spillway being connected with gutter, described
Cistern entrance is connected with ecological grass ditch, and exit is connected with lower section arable land Irrigation Ditch；
Set terminal purifying system to enter river, storage water quality carry out ecological intercepting with purification, the terminal purifying system by
Pretreatment unit and main body processing unit two parts composition, the pretreatment unit is mainly sedimentation pond, anaerobic digester,
The main unit includes artificial swamp and biological floating bed
Further, for the plant hedge based on eurytopicity herbaceos perennial, species include day lily, gold and silver
Flower and false indigo.
It is of the invention that there is following distinguishing feature and advantage compared with existing sloping upland agricultural non-point source pollution Prevention Technique：
The present invention prevents and treats the generation of systemic control soil erosion and the output of pollution of area source by slope soil erosion, passes through
Silt and nutriment in ecological canal system filtering rainwash, the weight of domatic water resource is realized by step water storage system
Distribution, promote liquid manure resource to recycle, output is refiltered and clean by what terminal purifying system realized slope runoff.This
Invent simple to operate, construction cost is low, manage and protect conveniently, can reuse, run and manage and protect that cost is low, have a wide range of application, ecological
Cleaning, has higher economic results in society and ecological benefits.Domatic " terraced bank rill erosion control-setting pot-water storage of system
Pond-sedimentation pond " control is than the degree of filtration that silt is improved using single technology, " plant hedge-ecological grass ditch-Manual moist
Ground-biological floating island " can significantly improve the interception rate and absorptivity of nitrogen in slope runoff, phosphorus；Step cistern compares conventional method
It is better able to increase reassignment and the utilization of domatic liquid manure resource, while as the emergent irrigation water of sloping upland seasonal drought
Source.
Brief description of the drawings
Fig. 1 is the structural representation of sloping upland agricultural non-point source pollution integrated control system of the present invention；
Fig. 2 is the flow chart of sloping upland agricultural non-point source pollution method for integrated control of the present invention；
Fig. 3 is the structural representation of Soil Erosion Prevention and Cure system and ecological canal system in the present invention；
Fig. 4 is the schematic layout pattern that drainage system is cut in the present invention；
Fig. 5 is the structural representation of the cistern of step water storage system in the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described.
The invention provides a kind of sloping upland agricultural non-point source pollution integrated control system and method, by sloping upland water, soil, fertilizer
Resource high-efficiency recycles to be combined with agricultural non-point source pollution preventing and treating, is that the important technology of with alleviating people from Mountain Area contradictory problems is protected
Barrier.
Fig. 1 and Fig. 2 is referred to, the integrated control system includes Soil Erosion Prevention and Cure system, ecological canal system, step
Water storage system and terminal purifying system.Wherein, Soil Erosion Prevention and Cure system includes the terraced bank of rill erosion control and planted in thin
The plant hedge of ditch erosion control ladder bank, generation, migration and the output of agricultural area source pollutants matter can be prevented and treated in source；The ecology
Sewerage include drain dyke, setting pot, can effective silt sediment, purify water, reduce pollutant concentration；The ladder
Level water storage system includes the cistern for being distributed in different height, and each cistern can accumulate runoff from upslope, silt sediment, purification
Water quality, iirigation water source is provided for lower section sloping upland；The terminal purifying system includes sedimentation pond, anaerobic digester, artificial
Wetland and biological floating bed.
As shown in figure 3, the critical plane method (L) occurred with rill erosion builds terraced bank on domatic for interval along contour,
Form the rill erosion and control terraced bank.The critical plane method is shown in Table 1, and described terraced bank width is 10~20cm, is highly
15~20cm.The rill erosion controls terraced bank to reduce source by preventing the formation of rill and the generation of slope soil erosion
The output of pollution of area source material.
Critical plane method statistical form occurs for the typical sloping upland rill erosion of table 1
Planting plants hedge on terraced bank is controlled in the rill erosion, described plant hedge is with eurytopicity herbaceos perennial
Based on, species include day lily, honeysuckle and false indigo etc., form microfiltration band, the silt being detained in rainwash,
Absorb rainwash in nutriment, rainwash leave it is domatic before formed stop and filtering.
The plantation of the plant hedge is preferably specially：Spring is planted on domatic, to domatic carry out shallow-layer before sowing
Soil loosens the soil, then using broadcasting sowing or cuttage mode is planted, it is necessary to broadcast sowing kind, broadcast sowing density in planting for 300~500/
m2, it is necessary to cuttage plantation, cuttage planting density is 50-100 strains/m2.After completing plantation, the present invention needs to carry out plant hedge
Management, described plant hedge management include seedling management, harvesting management.In the present invention, described seedling management is preferably miscellaneous
Grass is removed；Described harvesting management predominantly flower, the harvesting of fruit, and the trimming of plant hedge, the trimming master of described plant hedge
If when plant hedge is highly more than 0.5m, it is necessary to be trimmed to plant hedge, trim mode is to wipe out the branches and leaves higher than 30cm.
Bright ditch form is used on sloping upland, lays slope runoff outgoing route, drain dyke, setting pot and ecology are set
Careless ditch, described drain dyke, setting pot and ecological grass ditch are linked together by water conservancy diversion water channel, form continuous processing system,
Runoff process is controlled.
As shown in figure 4, described drain dyke is divided into two-stage, wherein one-level drain dyke is inverted trapezoidal, and surface laying is planted
Careless brick, there is draining, biofiltration function, laid along domatic low-lying place perpendicular to domatic contour；Two level drain dyke is
It is trapezoidal, have concurrently and collect rainwash, intercept and capture interflow and drain function, laid along domatic contour.Described one-level cuts draining
Ditch upper end width is 30~50cm, and lower end width is 10~20cm, and depth is more than 50cm；Described two level drain dyke upper end
Width is 10~20cm, depth 10-20cm.It is heavy that described one-level drain dyke and two level drain dyke is laid by centre
Sand pond connects.
The setting pot is small-sized setting pot, is a kind of conical deceleration setting pot, on the conical deceleration setting pot
Port radius 15-25cm, lower end port radius 5-10cm, depth 30-50cm, it is the detachable setting pot of plastic material, is installed on and cuts
On the path of gutter.The small-sized setting pot needs periodically to carry out silt cleaning, and clearance time is before next heavy rain or after rain
In 3-5 days, it can be continued with after clearing up silt.
The ecological grass ditch is filtered, absorbs and inhaled to plant the pollution of area source formed after hygrophyte in one-level gutter
Attached integrated system, the silt being mainly used in further retardance runoff, receive the agricultural area source pollutants matter such as nitrogen, phosphorus.It is described
Ecological grass ditch is made up of ditch body structure and hygrophyte two parts, and described ditch body structure is one-level gutter；Described is wet
Plant is that adsorptivity is strong, the herbaceous plant that has certain resistance, have certain economic value concurrently, and specific plant is：Chinese celery, open country
Water chestnut, water spinach, Bermuda grass etc..Described ecological grass ditch, is laid between setting pot and cistern, can enter one to runoff and sediment
Step intercept, and the face source such as nitrogen, phosphorus material is absorbed.
In the present invention, step water storage system is set on domatic, for storing slope runoff, for domatic liquid manure resource again
Distribution.On the step water storage system is domatic where sloping upland from high to low, the multiple cisterns connection being distributed from top to bottom
Form, the cistern sets 1 according to average 20~50 mu of ground scope of confluxing, and the cistern is cylinder, pond port radius
For 0.8~1.0m, depth is 1.5~3.0m, and cistern inwall and bottom carry out Anti-seeping technology, and the flood that overflows is left in cistern upper end
Mouthful, spillway is connected with gutter.As shown in figure 5, the cistern entrance is connected with ecological grass ditch, exit is ploughed with lower section
Ground Irrigation Ditch is connected, and is connected between different cisterns by ecological canal system.
In the present invention, set terminal purifying system net to entering river, storage water quality progress ecological intercepting and purification, the terminal
Change system is made up of pretreatment unit and main body processing unit two parts, and the pretreatment unit is mainly sedimentation pond, detested
Oxygen digester；The main unit includes artificial swamp and biological floating bed.
Preferably, described sedimentation pond can be according to wide 2m, and long 3~5m, deep 1m are built, and described sedimentation pond is
A kind of sandstone filtering ponds, described sandstone filter bag is interior to use more graded filtering medias, and upper strata uses big particle diameter stone matter filtrate, and lower floor adopts
With the broken husky filtrate of small particle, levels thickness proportion is 2:1, water can enter sedimentation pond by top, by bilayer
After filtering, excluded to enter anaerobic digester by lower section.
Preferably, the wide 2m of described anaerobic digester, long 3~5m, deep 0.5m, pool wall do Anti-seeping technology.
Preferably, described artificial swamp is wide 3m, and long 20-50m artificial swamp is formed, the plantation of described artificial swamp
Humidogene herbaceous plant, plant species have the plant constitutions such as Bermuda grass, reed, cattail, green onion orchid, the tuber of dwarf lilyturf, according to equal proportion hybrid
Plant (seed grain quantity ratio)；
Preferably, it is described it is biological floating bed be made up of chinampa and water plant two parts, the chinampa is using there is framework
Wet type chinampa, the plant choose the water plants such as canna, cattail, it is described it is biological floating bed be arranged at artificial swamp and river or
The intersection of the lake storehouse water surface, it is described it is biological floating bed need to regularly carry out maintenance and management, water plant can be carried out at harvesting
Reason, to reduce the pollution of area source total amounts such as the nitrogen into river body, phosphorus.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Belong to those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.
Claims (10)
- A kind of 1. sloping upland agricultural non-point source pollution integrated control system, it is characterised in that：Including Soil Erosion Prevention and Cure system, ecology Sewerage, step water storage system and terminal purifying system, the Soil Erosion Prevention and Cure system include rill erosion control terraced bank, And the plant hedge that terraced bank is controlled in rill erosion is planted, the ecological canal system includes drain dyke, setting pot, the ladder Level water storage system includes the cistern for being distributed in different height, and the terminal purifying system includes sedimentation pond, anaerobic digestion Pond, artificial swamp and biological floating bed；The rill erosion control terraced bank be using rill erosion occur critical plane method as interval, Terraced bank is built along contour and formed on domatic；Described drain dyke is divided into two-stage, and wherein one-level drain dyke surface is laid Grass-planting brick, laid along domatic low-lying place perpendicular to domatic contour, two level drain dyke is laid along domatic contour, the one-level The setting pot that drain dyke and two level drain dyke are laid by centre is connected, and shape after hygrophyte is planted in one-level gutter Into ecological grass ditch；The cistern upper end is provided with the spillway being connected with gutter, the cistern entrance and ecological grass Ditch is connected, and exit is connected with lower section arable land Irrigation Ditch.
- 2. sloping upland agricultural non-point source pollution integrated control system as claimed in claim 1, it is characterised in that：The rill erosion It is 10~20cm to control terraced bank width, is highly 15~20cm.
- 3. sloping upland agricultural non-point source pollution integrated control system as claimed in claim 1, it is characterised in that：The plant hedge with Based on eurytopicity herbaceos perennial, species include day lily, honeysuckle and false indigo.
- 4. sloping upland agricultural non-point source pollution integrated control system as claimed in claim 1, it is characterised in that：The one-level cuts row Ditch and the two level drain dyke are inverted trapezoidal, and described one-level drain dyke upper end width is 30~50cm, lower end width For 10~20cm, depth is more than 50cm；Described two level drain dyke upper end width is 10~20cm, depth 10-20cm.
- 5. sloping upland agricultural non-point source pollution integrated control system as claimed in claim 1, it is characterised in that：The setting pot is Conical deceleration setting pot, upper end port radius 15-25cm, lower end port radius 5-10cm, depth 30-50cm, it is installed on and cuts draining On ditch path.
- 6. sloping upland agricultural non-point source pollution integrated control system as claimed in claim 1, it is characterised in that：Described humidogene is planted Thing is Chinese celery, wild water chestnut, water spinach, one kind in Bermuda grass or its combination.
- 7. sloping upland agricultural non-point source pollution integrated control system as claimed in claim 1, it is characterised in that：The cistern is pressed 1 is set according to average 20~50 mu of ground scope of confluxing, the cistern is cylinder, and pond port radius are 0.8~1.0m, and depth is 1.5~3.0m.
- 8. sloping upland agricultural non-point source pollution integrated control system as claimed in claim 1, it is characterised in that：The terminal purifying System is made up of pretreatment unit and main body processing unit two parts, and the pretreatment unit is mainly sedimentation pond, anaerobism Digester；The main unit includes artificial swamp and biological floating bed.
- 9. a kind of arable land farming pollution of area source method for integrated control, it is characterised in that comprise the following steps：The critical plane method occurred using rill erosion is built terraced bank along contour on domatic, that is, forms rill erosion control as interval Terraced bank is made, controls planting plants hedge on terraced bank to form Soil Erosion Prevention and Cure system in the rill erosion；Bright ditch form is used on sloping upland, lays slope runoff outgoing route, drain dyke, setting pot and ecological grass are set Ditch, described drain dyke is divided into two-stage, wherein one-level drain dyke surface laying grass-planting brick, along domatic low-lying place perpendicular to slope Face contour is laid, and two level drain dyke is laid along domatic contour, and the one-level drain dyke passes through with two level drain dyke The setting pot connection that centre is laid, ecological grass ditch is formed after hygrophyte is planted in one-level gutter；Domatic upper setting step water storage system, the step water storage system by domatic where sloping upland from high to low, on to Multiple cisterns of lower distribution are formed by connecting, and the cistern upper end is provided with the spillway being connected with gutter, the water storage Pond entrance is connected with ecological grass ditch, and exit is connected with lower section arable land Irrigation Ditch；Terminal purifying system is set to include pretreatment to entering river, storage water quality progress ecological intercepting and purification, terminal purifying system Unit and main body processing unit, the pretreatment unit are mainly sedimentation pond, anaerobic digester, and the main unit includes Artificial swamp and biological floating bed.
- 10. sloping upland agricultural non-point source pollution method for integrated control as claimed in claim 9, it is characterised in that：The plant hedge Based on eurytopicity herbaceos perennial, species include day lily, honeysuckle and false indigo.
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| CN201711290461.7A CN107853121B (en) | 2017-12-08 | 2017-12-08 | Comprehensive control system and method for agricultural non-point source pollution of hillside fields |
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| CN201711290461.7A CN107853121B (en) | 2017-12-08 | 2017-12-08 | Comprehensive control system and method for agricultural non-point source pollution of hillside fields |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109511455A (en) * | 2018-12-28 | 2019-03-26 | 西南大学 | A kind of biological ridge construction method of the solid soil shield bank of Slope Cropland with Purple Soil |
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| CN114365651A (en) * | 2021-12-30 | 2022-04-19 | 江西省水利科学院 | Runoff collection, storage, utilization and sewage purification system for red soil hillside orchard |
| CN115925124A (en) * | 2022-12-30 | 2023-04-07 | 玉溪师范学院 | Agricultural non-point source pollution prevention and control device for slope farmland and prevention and control method thereof |
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| CN110306523A (en) * | 2019-06-21 | 2019-10-08 | 西南大学 | A kind of Li Geng Lu Gou pond the erosion caused by sloping surfaces control method |
| CN110981097A (en) * | 2019-12-17 | 2020-04-10 | 武汉理工大学 | Multistage ecosystem that prevents and control agricultural non-point source phosphorus and run off |
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| CN112875870A (en) * | 2021-03-30 | 2021-06-01 | 朴草(重庆)生态环境科技有限公司 | Design method of small micro-wetland of ladder pond |
| CN114365651A (en) * | 2021-12-30 | 2022-04-19 | 江西省水利科学院 | Runoff collection, storage, utilization and sewage purification system for red soil hillside orchard |
| CN115925124A (en) * | 2022-12-30 | 2023-04-07 | 玉溪师范学院 | Agricultural non-point source pollution prevention and control device for slope farmland and prevention and control method thereof |
| CN115925124B (en) * | 2022-12-30 | 2023-06-06 | 玉溪师范学院 | Device and method for preventing and controlling agricultural non-point source pollution of hillside fields |
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