CN108911148A - A kind of basin agricultural non-point source pollution control method - Google Patents
A kind of basin agricultural non-point source pollution control method Download PDFInfo
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- CN108911148A CN108911148A CN201810601641.0A CN201810601641A CN108911148A CN 108911148 A CN108911148 A CN 108911148A CN 201810601641 A CN201810601641 A CN 201810601641A CN 108911148 A CN108911148 A CN 108911148A
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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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- 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
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The present invention program discloses a kind of basin agricultural non-point source pollution control method, includes the following steps：A, ecological canal is established：Ecological canal is built in area to be administered according to water system situation to be administered, the ecological canal includes water-blocking bank and/or irrigating gate；B, also wet and biological pond of afforesting constructs：For after step A still can not the arable land of diversion afforested in conjunction with Mixed species using cave-shaped site preparation, for after step A can by the arable land of diversion using overall site preparation with ridge heightening and thickening in a manner of in conjunction with whole also wet with kind of mode, biological pond is built into also wet area；C, Riverine area restoration of the ecosystem：It treats and administers in area road along the river and using Mixed species build plant buffer strip, and increase road paddy field side block water depth along the river；Wherein, the operation order between step C and A or B can be exchanged arbitrarily.Compared with prior art, the present invention program has saved a large amount of expenses, can reduce pollutant concentration to greatest extent, has stronger application and development prospect.
Description
Technical field
The present invention relates to field of environment engineering, and in particular to a kind of basin agricultural non-point source pollution control method.
Background technique
With China's expanding economy, environmental issue is increasingly serious, and previous people administer for point-source pollution, so
And as people go deep into for what environmental problem recognized, pollution of area source problem gradually attracts people's attention.Agricultural area source is dirty
Dye refers to that in Agricultural Activities, pollutant in farmland passes through agricultural surface runoff, earth during precipitation or irrigation
Middle stream, agricultural drain and underground leakage, the pollution of area source that is formed into water body.In recent years, chemical fertilizer agriculture is excessively used in the country
Medicine, rural area distributing residential quarter sanitary sewage are unprocessed or are only discharged into river by simple process, these all can be to locality
Cause strong influence in rivers and lakes.
Although being joined jointly by Ministry of Agriculture's rural economy research center chief editor, the Renmin University of China and Scientia Agricultura Sinica word
With write and formally published in 2017《Chinese chemical fertilizer utilization efficiency (fertilizer consumption) appraisal report (2000-2015)》It has been shown that,
The overall chemical fertilizer application total amount speedup in the whole nation in 2015 is down to 0.4%, realizes the annual objectives within 1%, relevant speciality personage
It indicates, is reported by this part, it can be determined that realize that the target of applying quantity of chemical fertilizer zero growth rate can the phase.However, even if chemical fertilizer is applied
Dosage can be controlled to a certain extent, however existing controlling area-source pollution and control are still thorough change river basin
Ecological environment promotes the task of top priority during Sustainable Socioeconomic Development.
Based on this, needs to find out a kind of practicable basin agricultural area source control method, effectively intercept, receive and drop
Agricultural non-point source pollution is solved, the living environment of nearby residents is improved.
Summary of the invention
The technical problem to be solved by the present invention is to：It is dirty to provide a kind of basin agricultural area source that low in cost and effect is good
Contaminate control method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of basin agricultural non-point source pollution control
Method includes the following steps：
A, ecological canal is established：Ecological canal, the ecology ditch are built in area to be administered according to water system situation to be administered
Canal includes water-blocking bank and/or irrigating gate；
B, also wet and biological pond of afforesting constructs：For after step A still can not diversion arable land using cave-shaped site preparation and mixed
Friendship mode combines afforestation, for can be combined in such a way that the arable land of diversion is using overall site preparation and ridge heightening and thickening after step A with
It is whole also wet with kind of mode, biological pond is built into also wet area；
C, Riverine area restoration of the ecosystem：Treat administer area in along the river road using Mixed species build plant buffer strip, and
Increase road paddy field side block water depth along the river；
Wherein, the operation order between step C and A or B can be exchanged arbitrarily.
Preferably, kind is implanted with slope-protecting plant on the water-blocking bank and/or irrigating gate.
Further, the water-blocking bank and/or irrigating gate bottom are covered with zeolite, coal ash, active carbon, charcoal, diatom
Soil or kaolin.
Preferably, the water-blocking bank and/or irrigating gate bottommost are laid with N2 adsorption material layer, N2 adsorption material layer upper berth
Equipped with phosphorus sorbing material layer.
It further, further include that heightening and thickening processing is carried out to paddy field field stalk and pool dike in the step A.
Further, the step B further includes adding gap on the ridge to also wet area and building control sluice, draining
Culvert pipe controls each biological pond water level by control water PVC aqueduct.
Further, in the step B, for afforested area plantation plant be selected from common sallow, yulan, cuckoo, crape myrtle,
Weeping willow, metasequoia, taxodium ascendens, Luan Shu, red Loropetalum wood etc. are selected from wild rice, calamus, Hunan lotus seeds, eel grass, 1 year for the plant of also wet area's plantation
Fluffy, Lythrum salicaria, alternanthera philoxeroides, typha orientalis, Phalaris grass, Lythrum salicaria, wild rice stem, water chestnut, taro, thaliadeabata, canna glauca and
Iris etc..
Further, the plant in the plant buffer strip includes tree and shrubs.
Further, the control method further includes step D, improves the vegetation coverage for administering the original pond wetland in area,
Bio-diversity is improved, treats and administers area pond waters progress wetland recovery, the step D and A or B or C sequence can be mutual
It changes.
Further, the step D further includes the method control to original pond wetland utilization adjustment biological species population structure
Water quality processed.
Further, it is described using adjustment biotic population structure method control water quality concrete operations be：By adjusting
The shoal of fish and zoobenthos population structure in water, the speed of growth for controlling water plant prevent excess growth, construct submerged plant
Group.
Further, the control method further includes step E：Interception receipts are carried out in situ to dry branches and fallen leaves, dead organism
Collection, specifically includes：It is artificial periodically to remove forest land dry branches and fallen leaves, wetland plant is periodically salvaged or gathered in；In Afforestation on Abandoned Cropland area kind
Plant humidogene herbaceous plant；Protection filter device is installed in Humid Area, the operation order of the step E and step C or D or E can
It is any to exchange.
The beneficial effects of the present invention are：By establishing ecological canal, with the powerful Wetland Environment of constructing function,
Extra nutrient is carried out by runoff guide path to recycle multiple utilization, avoids the nutrition such as the nitrogen phosphorus being lost by rainfall runoff
Element pollutes；Water-blocking bank and/or irrigating gate are set, and Scientific Regulation water increases the meandering of water system irrigation canals and ditches, extends water
The power residence time improves the absorption efficiency to nitrogen and phosphorus element；Treat administer that area establishes after ecological canal still can not diversion
Afforestation project is implemented in arable land, effectively controls area's agricultural non-point source pollution to be administered；Site preparation is cultivated using cave, reduces soil disturbance area,
Soil is deposited in cave periphery when digging cave, when planting seedlings backfill in time or it is smooth on the spot excavation amount is reduced around construction area, to prevent
Only soil erosion；Overall site preparation need to turn over paddy field when also wet, and soil disturbance area is larger, reinforce protecting using ridge,
Control Tanaka's water；Can be implemented with the arable land of diversion also wet to establishing after ecological canal, improve area's interception to be administered, receive and
The ability of degradation agricultural non-point source pollution；By being prolonged to ridge heightening and thickening with increasing the reservoir capacity in also wet area of area to be administered
Long dwell time of sewage improves the also wet area's purification sewage ability in area to be administered；Aquatic animal purification system is configured to also wet area,
The purification function of wetlands ecosystems is further promoted, so that effectively improving area's wetlands ecosystems to be administered purifies agriculture face
Source pollution capacity.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the water-blocking bank of the embodiment of the present invention；
Fig. 2 is the water-blocking bank of the embodiment of the present invention and the floor map of irrigating gate.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
A kind of basin agricultural non-point source pollution control method, includes the following steps：
A, ecological canal is established：Ecological canal, the ecology ditch are built in area to be administered according to water system situation to be administered
Canal includes water-blocking bank and/or irrigating gate；
B, also wet and biological pond of afforesting constructs：For after step A still can not diversion arable land using cave-shaped site preparation and mixed
Friendship mode combines afforestation, for can be combined in such a way that the arable land of diversion is using overall site preparation and ridge heightening and thickening after step A with
It is whole also wet with kind of mode, biological pond is built into also wet area；
C, Riverine area restoration of the ecosystem：Treat administer area in along the river road using Mixed species build plant buffer strip, and
Increase road paddy field side block water depth along the river；
Wherein, the operation order between step C and A or B can be exchanged arbitrarily.
As can be seen from the above description, the beneficial effects of the present invention are：It is powerful with constructing function by establishing ecological canal
Wetland Environment, extra nutrient is carried out by runoff guide path to recycle multiple utilization, avoids flowing because of rainfall runoff
The nutrients such as the nitrogen phosphorus of mistake pollute；Water-blocking bank and/or irrigating gate are set, and Scientific Regulation water increases water system irrigation canals and ditches
It is meandering, extend hydraulic detention time, improves the absorption efficiency to nitrogen and phosphorus element；It treats improvement area and establishes ecological canal
Afterwards still can not diversion arable land implement afforestation project, effectively control area's agricultural non-point source pollution to be administered；Site preparation is cultivated using cave, is subtracted
Few soil disturbance area, is deposited in cave periphery for soil when digging cave, backfill or smooth around construction area on the spot in time when planting seedlings
Excavation amount is reduced, to prevent erosion；Overall site preparation need to turn over paddy field when also wet, and soil disturbance area is larger, benefit
Reinforce protecting with ridge, controls Tanaka's water；Can be also wet with the implementation of the arable land of diversion after ecological canal to establishing, it improves wait control
Reason area intercepts, receives and the ability for agricultural non-point source pollution of degrading；It is also wet to increase area to be administered by ridge heightening and thickening
The reservoir capacity in area extends dwell time of sewage, improves the also wet area's purification sewage ability in area to be administered；Water is configured to also wet area
Lively object purification system, further promotes the purification function of wetlands ecosystems, to effectively improve area's Wetland ecological to be administered
System purification agricultural non-point source pollution ability.
Preferably, kind is implanted with slope-protecting plant on the water-blocking bank and/or irrigating gate.
Further, the water-blocking bank and/or irrigating gate bottom are covered with zeolite, coal ash, active carbon, charcoal, diatom
Soil or kaolin.
Preferably, the water-blocking bank and/or irrigating gate bottommost are laid with N2 adsorption material layer, N2 adsorption material layer upper berth
Equipped with phosphorus sorbing material layer.
As can be seen from the above description, the beneficial effects of the present invention are：It is laid with and can adsorb in water-blocking bank or irrigating gate bottom
The material of nitrogen phosphorus adsorbs the elements such as the intracorporal nitrogen phosphorus of water.
It further, further include that heightening and thickening processing is carried out to paddy field field stalk and pool dike in the step A.
As can be seen from the above description, the beneficial effects of the present invention are：Paddy field field stalk and pool dike are carried out at heightening and thickening
Reason increases reservoir capacity, extends dwell time of sewage.
Further, the step B further includes adding gap on the ridge to also wet area and building control sluice, draining
Culvert pipe controls each biological pond water level by control water PVC aqueduct.
Further, in the step B, for afforested area plantation plant be selected from common sallow, yulan, cuckoo, crape myrtle,
Weeping willow, metasequoia, taxodium ascendens, Luan Shu, red Loropetalum wood etc. are selected from wild rice, calamus, Hunan lotus seeds, eel grass, 1 year for the plant of also wet area's plantation
Fluffy, Lythrum salicaria, alternanthera philoxeroides, typha orientalis, Phalaris grass, Lythrum salicaria, wild rice stem, water chestnut, taro, thaliadeabata, canna glauca and
Iris etc..
As can be seen from the above description, the beneficial effects of the present invention are：Also wet measure of afforesting enters a part of precipitation on the spot
It seeps, in flood season adjustable runoff, reduces sediment siltation, while reducing crest discharge, be conducive to improve area to be administered and resist
Flood damage guarantees high and stable crop yield, protects the security of the lives and property of the people, plants Hunan lotus seeds, Dong Fangxiang to also wet area
The plants such as Pu, thaliadeabata, canna glauca, iris not only have landscape function, water purification effect, while Hunan lotus seeds, typha orientalis etc.
Economy crop can bring economic well-being of workers and staff for resident and can avoid the secondary pollution caused because plant is withered；Thaliadeabata, water
The perennial plants such as raw canna, iris then can avoid repeatedly planting, and reduce project amount, save economic cost.
Further, the plant in the plant buffer strip includes tree and shrubs.
Further, in the step C, the plant in plant buffer strip is selected from the plants such as metasequoia, red wood ball.
As can be seen from the above description, the beneficial effects of the present invention are：After establishing plant buffer strip, vegetative coverage in basin
Rate greatly improves, and can accelerate evaporation, and with the increase of vegetation coverage, rainfall can also be increase accordingly.In addition, plant
Farmland under buffer strip can generally reduce the 20~30% of wind speed, and wind speed reduction can reduce strong wind and grow not to field-crop
Good influence.The raising of area's vegetation coverage to be administered can be absorbed pernicious gas and dust in air, reach purification air
Effect.In addition, forest can also eliminate noise.
Further, the control method further includes step D, improves the vegetation coverage for administering the original pond wetland in area,
Bio-diversity is improved, treats and administers area pond waters progress wetland recovery, the step D and A or B or C sequence can be mutual
It changes.
Further, the control method further includes step D, the ecological functions for improving original pond wetland, treats improvement
Area pond waters carries out wetland recovery, and step B, the operation order between C and D can arbitrary arrangement.
Further, the step D further includes the method control to original pond wetland utilization adjustment biotic population structure
Water quality.
Further, it is described using adjustment biotic population structure method control water quality concrete operations be：By adjusting
The shoal of fish and zoobenthos population structure in water, the speed of growth for controlling water plant prevent excess growth, construct submerged plant
Group.
As can be seen from the above description, the beneficial effects of the present invention are：Water is controlled using the method for adjustment biotic population structure
Matter enhances the productivity and self―sustaining ability of original ecosystem；Repairing for eutrophication water is carried out using aquatic animal
It is multiple, on the one hand it is the absorption by its own to water pollutant, and then constantly accumulation in vivo, on the other hand then passes through
The enrichment of food chain is removed.Algae can be eliminated by putting filter-feeding aquatic animal in a suitable place to breed and promotes organic debris in water body
Decomposition, this can not only improve the transparency of water body, and can inhibit water eutrophication indirectly, so as to improve water quality；Benefit
With submerged plant growth, bottom function is covered, reduces the release of water body endogenous pollution, absorbing reduces nutrient salt in water content, dwells the bottom of for
Animal provides habitat, also provides fallback area for fish, while also can avoid causing fish body injured when chasing.
Further, the control method further includes step E：Interception receipts are carried out in situ to dry branches and fallen leaves, dead organism
Collection, specifically includes：It is artificial periodically to remove forest land dry branches and fallen leaves, wetland plant is periodically salvaged or gathered in；In Afforestation on Abandoned Cropland area kind
Plant humidogene herbaceous plant；Protection filter device is installed in Humid Area, the operation order of the step E and step C or D or E can
It is any to exchange.
As can be seen from the above description, the beneficial effects of the present invention are：To prevent rehabilitation plant or dry branches and fallen leaves, dead biology
Body etc. returns soil after rotting, or causes secondary pollution with water body loss, takes the artificial forest land dry branches and fallen leaves, right periodically removed
Wetland plant periodically salvage or gather in and be arranged protection filter device；It is planted for plantation humidogene draft in afforestation models, can be used
Object intercepts Litter-fall.
The embodiment of the present invention is：A kind of basin agricultural non-point source pollution control method, the basin be in certain basin certain
Village is research area, and research area's landforms are mainly valley plain, and landform is flat.Studying area's entirety topography is the high southern low, thing in north
It is low between the senior middle school of two sides.
It is reported according to third party's water quality detection, studying water quality in area is surface water class.As shown in table 1 below, area is studied
Ammonia nitrogen, total phosphorus, total nitrogen exceed III class standard of surface water in surface water, and other detecting factors are without departing from III class standard of surface water.
Table 1：Water quality detection reporting unit：Mg/L, pH value dimensionless
Note：0.04 finger measures condition in " 0.04L " in table, and L, which refers to, to be not detected.
According to field investigation, the main reason for ammonia nitrogen, total phosphorus, exceeded total nitrogen is that agricultural production is excessive within the scope of water catchment area
Application is rich in caused by the chemical fertilizer of N, P.
Comprehensively consider research area's present status of land utilization and Water Environment Pollution, and combines the reasonable cloth of social and economic condition
If every control measures, specifically include following operation：
Water-blocking bank, irrigating gate are built in research area, and heightening and thickening processing is carried out to paddy field ridge and pool dike, increases and stores
Water capacity extends dwell time of sewage；It can implement also wet, plantation Hunan with the arable land of diversion after establishing ecological canal to research area
Lotus, typha orientalis, thaliadeabata, canna glauca, iris etc.；To research area establish after ecological canal still can not diversion arable land
Implement afforestation, plants common sallow and metasequoia etc.；Wetland recovery is carried out to research area pond waters, plants weeping willow, cattail, reed
With watermifoil etc.；In research area pond waters and also wet area's configuration aquatic animal purification system is built into biological pond, further mentions
Rise the purification function of wetlands ecosystems；Along river plantation weeping willow, fernleaf hedge bamboo and Chinese ash etc.；In research area along road both sides,
Plant metasequoia and red wood ball；Increase road paddy field side block water depth along the river.
The present invention program has wetland face by establishing the engineering constructions such as ecological canal and wetland recovery, each processing unit
Product 34.1309hm2, agricultural area source sewage load-bearing capacity is handled up to 2491.5500 ten thousand m3It is respectively drained greater than studying in area in/year
2037.0800 ten thousand m of agricultural area source sewage quantity of unit3/ year.Processing unit can be such that the agricultural area source sewage for studying area obtains
River is discharged into after to sufficiently cleaned up processing again, purification agricultural area source sewage load-bearing capacity is met the requirements.
Scheme can purify 2037.08 ten thousand m every year through the invention3Agricultural non-point source pollution water is pressed using engineering method of substitution
1.1 yuan/t of small sewage treatment plant pollution treatment expense is calculated, and annual pollution treatment benefit is up to 22,410,000 yuan.The method of the present invention is also
Water conservation can be achieved, press 600m by per hectare forest wetland water conservation3It calculates, 33.17hm2Annual increase of conceding the land to forestry stores
2.33 ten thousand m of water3.Scheme may make soil erosion amount to reduce from moderate to mired through the invention, i.e. per hectare is reduced every year
200 tons, research area can reduce 0.78 ten thousand tons of the soil erosion every year.In addition, forest is in release oxygen, fixed carbon dioxide effect
Significantly, and bacteriocidin can be secreted out of, the germs such as pulmonary tuberculosis, typhodiphtheria, dysentery can be killed；Noise can also be reduced, ring is beautified
Border.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (10)
1. a kind of basin agricultural non-point source pollution control method, it is characterised in that：Include the following steps：
A, ecological canal is established：Ecological canal, the ecological canal packet are built in area to be administered according to water system situation to be administered
Include water-blocking bank and/or irrigating gate；
B, also wet and biological pond of afforesting constructs：For after step A still can not the arable land of diversion using cave-shaped site preparation and mixed hand over mould
Formula combines afforestation, for can be combined in such a way that the arable land of diversion is using overall site preparation and ridge heightening and thickening after step A with it is whole with
Kind mode is also wet, is built into biological pond to also wet area；
C, Riverine area restoration of the ecosystem：It treats and administers in area road along the river and using Mixed species build plant buffer strip, and increase
Along the river road paddy field side block water depth；
Wherein, the operation order between step C and A or B can be exchanged arbitrarily.
2. agricultural non-point source pollution control method in basin according to claim 1, it is characterised in that：The water-blocking bank and/or
Irrigating gate bottom is covered with zeolite, coal ash, active carbon, charcoal, diatomite or kaolin.
3. agricultural non-point source pollution control method in basin according to claim 2, it is characterised in that：The water-blocking bank and/or
Irrigating gate bottommost is laid with N2 adsorption material layer, is equipped with phosphorus sorbing material layer in N2 adsorption material layer.
4. agricultural non-point source pollution control method in basin according to claim 1, it is characterised in that：It is also wrapped in the step A
It includes and heightening and thickening processing is carried out to paddy field field stalk and pool dike.
5. agricultural non-point source pollution control method in basin according to claim 1, it is characterised in that：The step B further includes
Sluice, drainage culvert are controlled or by each biological pond of control water PVC aqueduct control to adding gap on the ridge in also wet area and building
Water level.
6. agricultural non-point source pollution control method in basin according to claim 1, it is characterised in that：In the step B, for
The plant of afforested area plantation is selected from common sallow, yulan, cuckoo, crape myrtle, weeping willow, metasequoia, taxodium ascendens, Luan Shu and red Loropetalum wood, for also
The plant of wet area's plantation is selected from wild rice, calamus, Hunan lotus seeds, eel grass, annual fleabane herb, Lythrum salicaria, alternanthera philoxeroides, typha orientalis, Phalaris grass, thousand
Bend dish, wild rice stem, water chestnut, taro, thaliadeabata, canna glauca and iris.
7. agricultural non-point source pollution control method in basin according to claim 1, it is characterised in that：The control method is also wrapped
It includes step D, improve the vegetation coverage for administering the original pond wetland in area, improve bio-diversity, treat and administer area pond waters
Wetland recovery is carried out, the step D and A or B or C sequence can exchange.
8. agricultural non-point source pollution control method in basin according to claim 7, it is characterised in that：The step D further includes
Water quality is controlled to the method for original pond wetland utilization adjustment biological species population structure.
9. agricultural non-point source pollution control method in basin according to claim 8, it is characterised in that：It is described to utilize adjustment biology
Population structure method control water quality concrete operations be：By adjusting in water the shoal of fish and zoobenthos population structure, control
The speed of growth of water plant prevents excess growth, constructs Submerged plant communities.
10. according to the described in any item basin agricultural non-point source pollution control methods of claim 7-9, it is characterised in that：The control
Method processed further includes step E：Interception collection is carried out to dry branches and fallen leaves, dead organism in situ, is specifically included：It is artificial periodically to remove woods
Ground dry branches and fallen leaves is periodically salvaged or is gathered in wetland plant；Humidogene herbaceous plant is planted in Afforestation on Abandoned Cropland area；It is installed in Humid Area
Filter device is protected, the operation order of the step E and step C or D or E can be exchanged arbitrarily.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721212A (en) * | 2019-01-29 | 2019-05-07 | 北京国电富通科技发展有限责任公司 | River sewage processing system |
| CN111960545A (en) * | 2020-07-28 | 2020-11-20 | 南昌工程学院 | Comprehensive treatment system based on ecological ditch pond agricultural non-point source pollution |
| CN112441702A (en) * | 2020-11-13 | 2021-03-05 | 华东师范大学 | Wet compound ecological clean system of agriculture and forestry |
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| CN112441702A (en) * | 2020-11-13 | 2021-03-05 | 华东师范大学 | Wet compound ecological clean system of agriculture and forestry |
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