CN103597926A - Method for preventing and treating agricultural non-point source pollution for rice field ridge culture in Three Gorges Reservoir Region small watershed - Google Patents
Method for preventing and treating agricultural non-point source pollution for rice field ridge culture in Three Gorges Reservoir Region small watershed Download PDFInfo
- Publication number
- CN103597926A CN103597926A CN201310640390.4A CN201310640390A CN103597926A CN 103597926 A CN103597926 A CN 103597926A CN 201310640390 A CN201310640390 A CN 201310640390A CN 103597926 A CN103597926 A CN 103597926A
- Authority
- CN
- China
- Prior art keywords
- ridge
- paddy field
- small watershed
- flow channels
- area
- 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.)
- Pending
Links
Images
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a method for preventing and treating agricultural non-point source pollution for rice field ridge culture in the Three Gorges Reservoir Region small watershed. Paddy fields in the outlet of the Three Gorges Reservoir Region small watershed are selected, and ridging is carried out in the paddy fields to structure a ridge culture rice field ecological system. When the ridging is carried out, ridges are made to be parallel to one another and perpendicular to the water flow direction, S-shaped overflowing channels are formed in the ridge ends and among the ridges in each paddy field, water flow is made to be only able to pass through the S-shaped overflowing channels, so that the passing paths and the standing time of the water flow can be prolonged, and crop cultivation of the paddy fields is carried out on the ridges. According to the method, the existing utilization mode of fields and the planting pattern are changed, field occupation is not increased additionally, preventing and treating effects are good, the problem of food productivity is solved, and the method is specially suitable for preventing and treating the agricultural non-point source pollution for the rice field ridge culture in the Three Gorges Reservoir Region small watershed.
Description
Technical field
The present invention relates to prevent and treat the improvement of widespread pollution from the overuse of fertilizers and pesticides in rural area technology, particularly a set of reservoir area of Three Gorges small watershed that is adapted at utilizes rice field ridge culture to prevent and treat the technical method of widespread pollution from the overuse of fertilizers and pesticides in rural area, belongs to agricultural environment pollution and administers technical field.
Background technology
Widespread pollution from the overuse of fertilizers and pesticides in rural area, claims again agricultural nonpoint source pollution, the feature such as there is randomness, potentiality, intermittence, hysteresis quality and have a large capacity and a wide range, control difficulty large, involve a wide range of knowledge, drop into many, take effect slow.In recent years, point-source pollution is progressively under control and administers, and widespread pollution from the overuse of fertilizers and pesticides in rural area is subject to people's common concern as the topmost pollution source of body eutrophication, and pollution of area source research has also become the field of enlivening of research on environmental issues in the world.
At present, process pollution of area source both at home and abroad and mainly adopt three kinds of methods: artificial swamp method, oxidation pond process and soil filtration method.Artificial swamp is the technology that a kind of improvement of having applied both at home and abroad is for many years polluted.In the prior art, the relatively large multistage series and parallel mode of the many employings of artificial swamp, general undercurrent or the upper downward stream mode of adopting of wetland combination for series system, sewage flows through sedimentation basin, plug-flow bed, down flow artificial wet field, upstream artificial swamp and water quality successively modifies the pool, thereby is purified.But there is the shortcomings such as floor space is large, efficiency is low in this method, and profit can not effectively utilize soil to carry out grain-production in this way.Lagoon also claims biological pond, by the existence difference of pool water oxygen, is divided into the aerobic pool, anaerobic pond, the facultative oxidation pool and aeration oxidation pond.By the lagoon system that anaerobic pond-the oxygen pool-aerobic pool of holding concurrently forms, when disposing of sewage, have and reduce investment outlay, save energy consumption and manage the advantages such as simple, in the double oxygen pool and the aerobic pool, cultivate or planting aquatic plants more can improve removing pollutant ability, can also obtain other economic benefits simultaneously.But the autoxidation pool also exists floor space large, and function is comparatively single, be subject to pool to enter water and Rainfall Influence is larger, the shortcoming such as long-time use can produce stench, and the processing time is long.Polluted water land treatment system is under manual control condition, by soil-botanical system, sewage is carried out to series of physical, chemistry and biochemical purification process.Compare with other treatment technologies, polluted water land treatment system has reduces investment outlay, and saves the advantages such as the energy, operating cost are low, and the subject matter of existence is that hydraulic load is low, disposal ability is low and floor space is large.
Above method ubiquity system floor space is large, short shortcoming of area source pollutants time of staying in system.The actual conditions of having a large population and a few land for reservoir area of Three Gorges, above method can not effectively be utilized existing soil, is difficult to bring into play the grain-production ability in soil.
Summary of the invention
For prior art above shortcomings, the object of the present invention is to provide a kind ofly do not change existing Land-Use and cropping pattern, additionally do not increase land seizure, control efficiency is good, the method for the control widespread pollution from the overuse of fertilizers and pesticides in rural area that is particularly suitable for reservoir area of Three Gorges small watershed.
To achieve these goals, the technical solution used in the present invention is as follows:
The method of reservoir area of Three Gorges Small watershed in paddy field ridge culture control widespread pollution from the overuse of fertilizers and pesticides in rural area, selects the Nei Zuo ridge, Bing paddy field, paddy field of reservoir area of Three Gorges small watershed outlet to build the Ridge rice field ecosystem, does that Shi，Shi ridge, ridge is parallel to each other and perpendicular to water (flow) direction, in every paddy field, this end paddy field ridge of one termination on ridge, the ridge of the other end and corresponding end forms ridge end flow channels, and the ridge end flow channels on adjacent two ridges is contrary, the height on ridge is higher than water surface elevation in paddy field simultaneously, so that current can only pass through between ridge, can not cover from ridge, thereby make flow channels between ridge end flow channels in every paddy field and ridge jointly form snake type flow channels, small watershed water outlet enters snake type flow channels by the water inlet of snake type flow channels, finally by delivery port, flow out snake type flow channels, to extend current by path and the time of staying, the crop-planting in paddy field carries out on ridge.
Making ridge specification is ridge face width 25～30cm, furrow width 35～40cm, the high 25cm in ridge.
For reaching the effect of preventing and treating preferably widespread pollution from the overuse of fertilizers and pesticides in rural area, the area in ridge culture paddy field is greater than 20% of the interior nonirrigated farmland of small watershed area.
Because the Ridge rice field ecosystem can effectively absorb nitrogen, phosphorus (N, the P) nutrient that small watershed water and soil loss is brought, therefore the decrement fertilising when crop-planting of ridge culture paddy field, fertilizing amount is not higher than 50% of conventional fertilizer application amount.
Conventionally the crop of paddy planting is paddy rice, while specifically planting, and every ridge plantation two rows, two misarrangement nests are planted in ridge, the both sides back of the body, and water smoothing, makes full field seedling planting in same level, and nest is apart from 10 ~ 15 cm.
Compared to existing technology, the present invention has following beneficial effect:
1, the Ridge rice field ecosystem is the wetlands ecosystems of environmental friendliness, environmental health, sustainable use.Nitrogen, phosphorus (N that the present invention utilizes the Ridge rice field ecosystem can effectively absorb small watershed water and soil loss to bring, P) nutrient, effectively to tackle and to dissolve from nitrogen, the phosphorus area source pollutants in village, nonirrigated farmland, both nitrogen and phosphorus had been reduced to the discharge in natural water, reduce again the amount of application of rice field fertilizer, reduce the cost of planting rice.
2, utilize ridge culture technology can make the silt and the nutrient that outflow with water stop the longer time in paddy ecosystem, greatly improve the absorption cleaning ability of the Ridge rice field ecosystem to area source pollutants.
3, the Ridge rice field ecosystem can effectively utilize existing land resources, additionally do not increase land seizure, do not change existing Land-Use and cropping pattern, can bring into play the grain-production ability in soil, therefore both can solve the problem that artificial swamp floor space is large, solve again the problem of grain-production power.
Accompanying drawing explanation
The circulating ridge schematic diagram of doing of Fig. 1-the present invention.
Fig. 2-ridge culture generalized section of the present invention.
Embodiment
The present invention selects the Nei Zuo ridge, Bing paddy field, paddy field of reservoir area of Three Gorges small watershed outlet to build the Ridge rice field ecosystem, does that Shi，Shi ridge, ridge is parallel to each other and perpendicular to water (flow) direction.In every paddy field, this end paddy field ridge of one termination on ridge, the ridge of the other end and corresponding end forms ridge end flow channels, and the ridge end flow channels on adjacent two ridges is contrary, the height on ridge is higher than water surface elevation in paddy field simultaneously, so that current can only pass through between ridge, can not cover from ridge, thereby make flow channels between ridge end flow channels in every paddy field and ridge jointly form snake type flow channels, small watershed outlet water outlet enters snake type flow channels by the water inlet of snake type flow channels, finally by delivery port, flow out snake type flow channels, to increase current by path and to extend the time of staying.The crop-planting in paddy field is on ridge.
Conventionally, making ridge specification is ridge face width 25～30cm, furrow width 35～40cm, the high 25cm in ridge.
For reaching the effect of preventing and treating preferably widespread pollution from the overuse of fertilizers and pesticides in rural area, the area in ridge culture paddy field is greater than 20% of the interior nonirrigated farmland of small watershed area.
Because the Ridge rice field ecosystem can effectively absorb nitrogen, phosphorus (N, the P) nutrient that small watershed water and soil loss is brought, therefore the decrement fertilising when crop-planting of ridge culture paddy field, fertilizing amount is not higher than 50% of conventional fertilizer application amount.
Conventionally the crop of paddy planting is paddy rice, while specifically planting, and every ridge plantation two rows, two misarrangement nests are planted in ridge, the both sides back of the body, and water smoothing, makes full field seedling planting in same level, and nest is apart from 10 ~ 15 cm.
Below in conjunction with specific embodiment, the present invention is described in further detail.
One, select the paddy field of small watershed outlet to build the Ridge rice field ecosystem, for reaching the effect of preventing and treating preferably widespread pollution from the overuse of fertilizers and pesticides in rural area, the area of Ridge rice field should be greater than 20% of the interior nonirrigated farmland of small watershed area.
Two, before transplanting seedlings 15 ~ 30 days, to put shallow water bracing wire and do ridge, ridge is to Transverse to the flow direction, and in the snake type flow channels that can only form between Duan He ridge, ridge with current, mobile mode is done ridge (see figure 1).If because earth suede is rotten, once can not moulding, should first make blank, after shaping, then do 1 ~ 2 time.Doing ridge specification is a ridge one ditch (see figure 2), is total to wide 60 ~ 70 cm, ridge face width 25 ~ 30 cm, and furrow width 35 ~ 40cm, high 25 cm in ridge are higher than the water surface.Under the condition of machinery-free instrument ridging, the most handy hand operated, bracing wire ridging, along the line forward, both hands vertically insert in soil people, take in one's arms on the another side soil that mass of soil is put into bracing wire gently.The earth original position taking in one's arms is placed on stalk position, ridge, can't firmly compress or mud is rubbed to suede troweling.Ridge face accomplishes to put down greatly little injustice.Full field face keeps in the same horizontal line.Also available hoe, rake operate ridging.After the matching of furrow interface, approach a sine curve, known by calculating, after ridge culture, soil surface area increases by 20% left and right than flat work in a manner described, has increased the contact area of water and soil, improves the ability of the interception of unit are rice field and the nitrogen of dissolving, phosphorus.
Three, rice ridge culture, every ridge duplicate rows.The wrong nest of rice seedlings is planted in ridge, the both sides back of the body, and water smoothing, and full field rice shoot is planted in same level, and general nest is apart from 10 ~ 15 cm.Per hectare 18.5 ~ 25.2 ten thousand nests, the field top limit of thin density is got, and the fertile density in field is limit and is got on the lower.
Four, Ridge rice field adopts decrement fertilization mode, and fertilizing amount is 50% of conventional fertilizer application amount.
The above embodiment of the present invention is to be only explanation example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make on the basis of the above description other multi-form variation and changes.Here cannot give all embodiments exhaustive.Every still row in protection scope of the present invention of apparent variation that technical scheme of the present invention amplifies out or change that belong to.
Claims (5)
1. Small watershed in paddy field ridge culture in reservoir area of Three Gorges prevents and treats the method for widespread pollution from the overuse of fertilizers and pesticides in rural area, it is characterized in that: select the Nei Zuo ridge, Bing paddy field, paddy field of reservoir area of Three Gorges small watershed outlet to build the Ridge rice field ecosystem, do that Shi，Shi ridge, ridge is parallel to each other and perpendicular to water (flow) direction, in every paddy field, this end paddy field ridge of one termination on ridge, the ridge of the other end and corresponding end forms ridge end flow channels, and the ridge end flow channels on adjacent two ridges is contrary, the height on ridge is higher than water surface elevation in paddy field simultaneously, so that current can only pass through between ridge, can not cover from ridge, thereby make flow channels between ridge end flow channels in every paddy field and ridge jointly form snake type flow channels, small watershed water outlet enters snake type flow channels by the water inlet of snake type flow channels, finally by delivery port, flow out snake type flow channels, to extend current by path and the time of staying, the crop-planting in paddy field carries out on ridge.
2. the method for reservoir area of Three Gorges according to claim 1 Small watershed in paddy field ridge culture control widespread pollution from the overuse of fertilizers and pesticides in rural area, is characterized in that: making ridge specification is ridge face width 25～30cm, furrow width 35～40cm, the high 25cm in ridge.
3. the method for reservoir area of Three Gorges according to claim 1 and 2 Small watershed in paddy field ridge culture control widespread pollution from the overuse of fertilizers and pesticides in rural area, is characterized in that: the area in ridge culture paddy field is greater than 20% of the interior nonirrigated farmland of small watershed area.
4. the method for reservoir area of Three Gorges according to claim 3 Small watershed in paddy field ridge culture control widespread pollution from the overuse of fertilizers and pesticides in rural area, is characterized in that: ridge culture paddy field is decrement fertilising when crop-planting, and fertilizing amount is not higher than 50% of conventional fertilizer application amount.
5. reservoir area of Three Gorges according to claim 4 Small watershed in paddy field ridge culture prevents and treats the method for widespread pollution from the overuse of fertilizers and pesticides in rural area, it is characterized in that: the crop of paddy planting is paddy rice, every ridge plantation two rows, two misarrangement nests are planted in ridge, both sides and are carried on the back, water smoothing, make full field seedling planting in same level, nest is apart from 10 ~ 15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640390.4A CN103597926A (en) | 2013-12-04 | 2013-12-04 | Method for preventing and treating agricultural non-point source pollution for rice field ridge culture in Three Gorges Reservoir Region small watershed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640390.4A CN103597926A (en) | 2013-12-04 | 2013-12-04 | Method for preventing and treating agricultural non-point source pollution for rice field ridge culture in Three Gorges Reservoir Region small watershed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103597926A true CN103597926A (en) | 2014-02-26 |
Family
ID=50116244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310640390.4A Pending CN103597926A (en) | 2013-12-04 | 2013-12-04 | Method for preventing and treating agricultural non-point source pollution for rice field ridge culture in Three Gorges Reservoir Region small watershed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103597926A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103918373A (en) * | 2014-05-05 | 2014-07-16 | 西南大学 | Multi-intercepting and treating system for agricultural non-point source pollution in three gorges reservoir area small watershed |
| CN105815131A (en) * | 2016-04-06 | 2016-08-03 | 云南省农业科学院农业环境资源研究所 | Network laddering efficient recycling method for tail water of off-shore vegetable plots in mountainous area, mid-mountainous area, river and lake |
| CN105850536A (en) * | 2016-04-06 | 2016-08-17 | 云南省农业科学院农业环境资源研究所 | Moutainous and semi-mountainous area river-lake nearshore vegetable field tail water network terraced efficient recycling facility |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002142564A (en) * | 2000-11-08 | 2002-05-21 | Yoshiaki Ikuta | Method for producing herbicide and fertilizer for paddy- rice plant cultivation |
| JP2006043643A (en) * | 2004-08-06 | 2006-02-16 | Hiroshima Univ | Method for removing bisphenol relative compound |
| CN101555071A (en) * | 2009-05-14 | 2009-10-14 | 上海市环境科学研究院 | Method for utilizing buffer strip to control agricultural non-point source pollution of tidal river network area of plain |
| CN101580296A (en) * | 2008-05-13 | 2009-11-18 | 上海复辰环保科技有限公司 | Ecological method for treating eutrophic rivers and lakes |
| CN101665283A (en) * | 2009-09-28 | 2010-03-10 | 西南大学 | Method for ridge planting of rice in wetland to control agricultural area source pollution |
| CN103270832A (en) * | 2013-06-12 | 2013-09-04 | 云南省农业科学院农业环境资源研究所 | Method for controlling nitrogen and phosphorous non-point source pollution of cropland by using biological ridge |
-
2013
- 2013-12-04 CN CN201310640390.4A patent/CN103597926A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002142564A (en) * | 2000-11-08 | 2002-05-21 | Yoshiaki Ikuta | Method for producing herbicide and fertilizer for paddy- rice plant cultivation |
| JP2006043643A (en) * | 2004-08-06 | 2006-02-16 | Hiroshima Univ | Method for removing bisphenol relative compound |
| CN101580296A (en) * | 2008-05-13 | 2009-11-18 | 上海复辰环保科技有限公司 | Ecological method for treating eutrophic rivers and lakes |
| CN101555071A (en) * | 2009-05-14 | 2009-10-14 | 上海市环境科学研究院 | Method for utilizing buffer strip to control agricultural non-point source pollution of tidal river network area of plain |
| CN101665283A (en) * | 2009-09-28 | 2010-03-10 | 西南大学 | Method for ridge planting of rice in wetland to control agricultural area source pollution |
| CN103270832A (en) * | 2013-06-12 | 2013-09-04 | 云南省农业科学院农业环境资源研究所 | Method for controlling nitrogen and phosphorous non-point source pollution of cropland by using biological ridge |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103918373A (en) * | 2014-05-05 | 2014-07-16 | 西南大学 | Multi-intercepting and treating system for agricultural non-point source pollution in three gorges reservoir area small watershed |
| CN105815131A (en) * | 2016-04-06 | 2016-08-03 | 云南省农业科学院农业环境资源研究所 | Network laddering efficient recycling method for tail water of off-shore vegetable plots in mountainous area, mid-mountainous area, river and lake |
| CN105850536A (en) * | 2016-04-06 | 2016-08-17 | 云南省农业科学院农业环境资源研究所 | Moutainous and semi-mountainous area river-lake nearshore vegetable field tail water network terraced efficient recycling facility |
| CN105815131B (en) * | 2016-04-06 | 2018-08-07 | 云南省农业科学院农业环境资源研究所 | The efficient reuse method of mountain area upper level river and lake offshore vegetable plot tail water network stepization |
| CN105850536B (en) * | 2016-04-06 | 2018-09-25 | 云南省农业科学院农业环境资源研究所 | Mountain area upper level river and lake offshore vegetable plot tail water network stepization efficiently recycles facility |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102674625B (en) | Treatment method for greenhouse turtle breeding wastewater | |
| CN103395930A (en) | Ecological slope protection type sewage land infiltration system and ecological slope protection type sewage land infiltration method | |
| CN103951067A (en) | System and method for treating rural sewage by using ecological system based on multi-submerged plant combinations | |
| CN106966507A (en) | Controllable type periodicity two ends alternating water inlet subsurface flow constructed wetland sewage treatment system and its handling process | |
| Li et al. | Design and performance of a novel rice hydroponic biofilter in a pond-scale aquaponic recirculating system | |
| CN105565498A (en) | System and method for removing nitrogen and phosphorus in enhanced manner by aid of parallel horizontal subsurface flow artificial wetlands | |
| CN109835987B (en) | Surface flow-vertical subsurface flow constructed wetland treatment process | |
| Kumwimba et al. | How to enhance the purification performance of traditional floating treatment wetlands (FTWs) at low temperatures: strengthening strategies | |
| CN106892743A (en) | A kind of biogas slurry, the processing method of liquid dung | |
| Salam et al. | Nutrient recovery from in fish farming wastewater: an aquaponics system for plant and fish integration | |
| CN101597107A (en) | The application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater | |
| CN106277339A (en) | A kind of method of the Clonal remediating heavy metal cadmium pollution water body utilizing wetland clone plant | |
| CN206033489U (en) | Ecological ditch canal clean system is inlayed in step paddy field that agricultural non -point source pollution administered | |
| CN103597926A (en) | Method for preventing and treating agricultural non-point source pollution for rice field ridge culture in Three Gorges Reservoir Region small watershed | |
| CN101591066A (en) | The application of bitter cress in handling livestock breeding wastewater | |
| CN105344707A (en) | Forest network enrichment-conversion irrigation and drainage circulating system used for removing heavy metal of strip field | |
| CN100460344C (en) | Artificial marshland composite vegetation water treatment system | |
| Peng et al. | Biofilter-constructed wetland-trophic pond system: A new strategy for effective sewage treatment and agricultural irrigation in rural area | |
| CN101665283A (en) | Method for ridge planting of rice in wetland to control agricultural area source pollution | |
| CN207726821U (en) | A kind of sewage treatment plant tail water artificial wet land treating system | |
| CN100519443C (en) | Method for in situ repairing eutrophication surface water | |
| CN102211820A (en) | Method for controlling area-source pollution | |
| CN109987716A (en) | A kind of ecological green ditch host material of preventing and controlling agricultural area source pollution and the construction method of ecological green ditch | |
| CN103693743B (en) | Method for purifying domestic wastewater by using willows through super deep flow and application thereof | |
| Huang et al. | Application of combined emergent plants in floating bed for phytoremediation of landscape pond in South China |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140226 |