CN206646467U - Hillside fields footpath seepage flow ecology harvests irrigation system - Google Patents
Hillside fields footpath seepage flow ecology harvests irrigation system Download PDFInfo
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- CN206646467U CN206646467U CN201720090323.3U CN201720090323U CN206646467U CN 206646467 U CN206646467 U CN 206646467U CN 201720090323 U CN201720090323 U CN 201720090323U CN 206646467 U CN206646467 U CN 206646467U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
It the utility model is related to hillside fields footpath seepage flow ecology and harvest irrigation system, including collection rain face, the seepage interception ditch that dams, charge for remittance ditch, trash rack, cistern and irrigation water delivery pipeline, the eminence that the collection rain face is arranged in Mountain Area hillside fields is waste on the ground, and the seepage interception ditch that dams is arranged on collection rain face along contour；The rainwater to dam in seepage interception ditch is flowed in charge for remittance ditch, arranges trash rack in charge for remittance ditch, and charge for remittance ditch is connected to cistern, and the rainwater in cistern passes through irrigation water delivery pipeline to lower farmland.The utility model, ecology harvest water resource, gravity irrigation farmland, without power, have investment small, quick, easy to use.
Description
Technical field
It the utility model is related to hillside fields footpath seepage flow ecology and harvest irrigation system, belong to irrigation and water conservancy technical field.
Background technology
There is season distribution uneven phenomenon in China's most area rainfall, furthermore Mountain Area is with a varied topography, many farmlands point
Dissipate on hillside, Tian Gaoshui is low, and agricultural irrigation water is difficult, and field irrigation fraction is relatively low, causes many Hills hillside fields
Seasonal drought, influence local farmers income and hinder the development of agricultural.
The seasonal drought problem faced for Mountain Area, with reference to Mountain Area orographic condition and Characteristics of Precipitation, many technologies
The agricultural irrigation facility problems to hillside fields are studied, such as Chinese Academy of Sciences Shijiazhuang Agricultural Modernization Institute's application
Publication No. CN1414188A patent " a kind of hillside fields seepage flow put aside method and device ", using water body medium in soil horizon
Migration transforming principle, the seepage flow generating region between soil and basement rock arrange semi-open Interstifial flow collecting storage pipe, seepage flow are drawn simultaneously
Water storage system is imported to be used.Such a method and device is not examined fully with collecting based on underground percolation particularly hillside fields seepage flow
Consider the utilization of rainwash, and rainwash is the domatic main water resource for harvesting rain flood, rainwater catchment system rate is relatively low.
The Publication No. CN101933449A of Inst. of Soil Fertilizer, Sichuan Academy of Agriculture Science's application patent " is used for mound
The collection rain irrigation saving system and method in mound hillside fields ", a kind of collection rain irrigation saving system for hilly upland, including Ji Yutang or collection rain
Edge, high-level reservoir, low level cistern, water pump and water-supply-pipe, this system are will to accumulate the Ji Yutang of rainwash or collect rain edge
In water carried with water pump to high-level reservoir, the water of high-level reservoir is delivered to by each low level cistern by water-supply-pipe respectively,
When needing to irrigate, the water storage in each low level cistern is used to irrigate.The collection rain irrigation saving system and method need to be by water pumps from low
Locate Ji Yutang or collection rain along water lift to high-level reservoir, and need to build a large amount of cisterns in massif eminence and lay a large amount of water deliverys
Pipe is completed, and this process will expend a large amount of manpowers, power and increase engineering construction amount, complex operation, actual use and get up to have
Certain difficulty.
Utility model content
In order to solve above-mentioned problem, the utility model discloses a kind of hillside fields footpath seepage flow ecology to harvest irrigation system
System, the system intercept rainwash and underground percolation into charge for remittance ditch by the seepage interception ditch that dams, then through trash rack harvest with
In the cistern of desilting and purification function, the farmland that pressure supply lower is obtained using the nature physical features discrepancy in elevation carries out gravity irrigation,
To alleviate Hills Seasonal Water-Deficit Arid Problem caused by rainfall skewness.Its concrete technical scheme is as follows：
Hillside fields footpath seepage flow ecology harvests irrigation system, including collection rain face, the seepage interception ditch that dams, charge for remittance ditch, trash rack, cistern
With irrigation water delivery pipeline,
The eminence that the collection rain face is arranged in Mountain Area hillside fields is waste on the ground, and the seepage interception ditch that dams is arranged on collection rain face along contour
On line；The rainwater to dam in seepage interception ditch is flowed in charge for remittance ditch, trash rack is arranged in charge for remittance ditch, and charge for remittance ditch is connected to storage
Pond, the rainwater in cistern pass through irrigation water delivery pipeline to lower farmland.
The irrigation water delivery pipeline is provided with valve.
Loaded filter and fixed bed are sequentially arranged in the side slope of upward slope side in the seepage interception ditch that dams, loaded filter is close to
Domatic arrangement, fixed bed are close to loaded filter and arrange and be provided with circular aperture；
Descending impervious barrier is arranged in the side slope of the seepage interception ditch close to descending side of damming, in seepage interception ditch bottom of trench arrangement of damming
Bottom of trench impervious barrier；
Infiltration layer is cut close to the side arrangement gone up a slope in the bottom of trench impervious barrier, infiltration layer both ends is cut and is connected to bottom of trench antiseepage
Layer is close to the one end and hillside fields impermeable stratum gone up a slope.
Trash rack includes collecting basket, grizzly bar, baffle plate and pillar, and the baffle plate of the trash rack is arranged vertically at charge for remittance ditch transverse direction
On section, collect basket and be arranged in the charge for remittance ditch of baffle plate direction of fall and fixed provided with pillar support, pillar bottom is fixed on remittance
Ditch bottom of trench, pillar top flush, and grizzly bar one end is fixed on edge on baffle plate, and the grizzly bar other end, which is fixed on, collects basket close to baffle plate one
At the top of the basket wall of side.
The cistern external wall of upper portion is provided with ring-type settling pit, and ring-type settling pit bottom is provided with sand discharge hole, ring-type settling pit
External annulus are provided with water inlet and gap；Be disposed with dividing plate in ring-type settling pit vertically, two vertical edges of dividing plate successively with ring
Shape settling pit ring inwall connects with cistern outer wall, and cistern top is provided with inlet opening, water inlet and inlet opening be sequentially located at every
Plate both sides；Cover plate of the ring-type settling pit top arrangement with circular aperture, cover plate both ends are sequentially fixed at the top of cistern outer wall
With ring-type settling pit ring outer wall top；Top cover is provided with the top of cistern pond body.
The charge for remittance ditch is connected to the water inlet of cistern, and the lower sides of cistern are provided with delivery port, the irrigation
One end connection delivery port of water-supply-pipe, the other end lead to lower farmland.
The circular aperture on fixed bed in the seepage interception ditch that dams is in the uniform orientation arrangement of rule；Cut infiltration layer connection ditch bottom
The end points of impervious barrier cuts 3~8 degree of infiltration layer and horizontal plane angle less than the end points of connection impermeable stratum.
Along charge for remittance ditch levee crown is less than on baffle plate in the trash rack, baffle plate cross dimensions is with edge on baffle plate with lower part
Charge for remittance ditch cross dimension size is identical；Collect at the top of basket basket wall less than edge on baffle plate, collect basket by grid system into；Grizzly bar with
70~80 degree of the angle of baffle plate.
The ring-type settling pit width is identical with spacer width, and both water inlet and inlet opening position are below on dividing plate
Edge, water inlet position are less than gap position.
The cover plate tilts down from cistern top edge, 70~80 degree of cover plate and cistern outer wall angle.
The beneficial effects of the utility model are：
（1）The seepage interception ditch that dams not only intercepts rainwash, also collects Mountain Area hillside fields seepage flow by loaded filter and fixed bed,
Water resource collection storage capacity is added, rainwater utilization is improved and reduces hillside fields current scour power.
（2）Trash rack makes suspended contaminant and the water such as deadwood in charge for remittance ditch, fallen leaves by impulsive force and Action of Gravity Field
Flow separation, and then water pollutant is collected to collecting in basket, the pollutant collected in basket can be cleared up periodically, and trash rack has
The features such as simple in construction, permanently effective, easy to use.
（3）Current enter ring-type settling pit from water inlet, are entered by the inlet opening in cistern pond body in cistern, reduce
Carry out water speed and extend flow path, be easy to sediment settlement, save and individually set up settling pit, save engineering construction amount and take up an area face
Product.
（4）Circular hole on the cover plate on ring-type settling pit top can planting aquatic plants, pass through plant absorption effect and cut down and store
The pollution factor concentration at water source, purifying water body in pond.
（5）Cistern carries out gravity irrigation to lower farmland, saves manpower power, and it is difficult to alleviate lower farmland irrigation water
Degree.
Brief description of the drawings
Fig. 1 is the plane figure schematic diagram of utility model example,
Fig. 2 is that the utility model dams seepage interception ditch structural representation,
Fig. 3 is the utility model trash rack structural representation,
Fig. 4 is the utility model reservoir structure schematic diagram,
Fig. 5 is the utility model cistern overlooking the structure diagram,
In figure：Dam seepage interception ditch, 21- loaded filters, 22- fixed beds, 23- descendings impervious barrier, 24- bottoms of trench for 1- collection rain face, 2-
Impervious barrier, 25- cut infiltration layer, 3- charges for remittance ditch, 4- trash racks, 41- baffle plates, 42- and collect basket, 43- pillars, 44- grizzly bars, 5- water storages
Pond, 51- ring-types settling pit, 52- cover plates, 53- water inlets, 54- dividing plates, 55- inlet openings, 56- gaps, 57- sand discharges hole, 58-
Delivery port, 59- top covers, 6- irrigation water delivery pipelines.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate.It should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.
Fig. 1 is the plane figure schematic diagram of utility model example, visible with reference to accompanying drawing, and this hillside fields footpath seepage flow ecology harvests filling
Irrigate system, including collection rain face, the seepage interception ditch that dams, charge for remittance ditch, trash rack, cistern and irrigation water delivery pipeline, collection rain face cloth
The eminence put in Mountain Area hillside fields is waste on the ground, and the seepage interception ditch that dams is arranged on collection rain face along contour；Dam in seepage interception ditch
Rainwater is flowed in charge for remittance ditch, arranges trash rack in charge for remittance ditch, and charge for remittance ditch is connected to cistern, the rainwater in cistern
Pass through irrigation water delivery pipeline to lower farmland.The irrigation water delivery pipeline is provided with valve.After rainwater drops to collection rain face, lead to
Cross the seepage interception ditch that dams and be flowed to charge for remittance ditch, and by trash rack filtration, purification, into cistern, the rainwater in cistern passes through filling
Irrigate aqueduct irrigated farmland.
Fig. 2 is that the utility model dams seepage interception ditch structural representation, and visible with reference to accompanying drawing, the seepage interception ditch that dams is close to upper
Loaded filter and fixed bed are sequentially arranged in the side slope of slope side, loaded filter is close to domatic arrangement, and fixed bed is close to loaded filter arrangement
And it is provided with circular aperture；The side slope of the seepage interception ditch close to descending side of damming arranges descending impervious barrier, in the seepage interception ditch ditch that dams
Base fabric puts bottom of trench impervious barrier；The bottom of trench impervious barrier cuts infiltration layer close to the side arrangement gone up a slope, and cuts infiltration layer both ends and is connected to
Bottom of trench impervious barrier is close to the one end and hillside fields impermeable stratum gone up a slope.
Fig. 3 is the utility model trash rack structural representation, visible with reference to accompanying drawing, and trash rack includes collecting basket, grizzly bar, gear
Plate and pillar, the baffle plate of the trash rack are arranged vertically on charge for remittance ditch transverse direction section, are collected basket and are arranged in baffle plate direction of fall
Charge for remittance ditch in and fix provided with pillar support, pillar bottom is fixed on charge for remittance ditch bottom of trench, and pillar top flushes, and grizzly bar one end is consolidated
Edge on baffle plate is scheduled on, the grizzly bar other end, which is fixed on, collects basket at the top of the basket wall of baffle plate side.Trash rack is intercepted in rainwater
Suspension and thick leaf.
Fig. 4 is the utility model reservoir structure schematic diagram, and Fig. 5 is the utility model cistern overlooking the structure diagram,
Visible with reference to accompanying drawing, the cistern external wall of upper portion is provided with ring-type settling pit, and ring-type settling pit bottom is provided with sand discharge hole, and ring-type is sunk
Sand basin external annulus are provided with water inlet and gap；Dividing plate is disposed with ring-type settling pit vertically, two vertical edges of dividing plate are successively
It is connected with ring-type settling pit ring inwall and cistern outer wall, cistern top is provided with inlet opening, water inlet and inlet opening position successively
In dividing plate both sides；Cover plate of the ring-type settling pit top arrangement with circular aperture, cover plate both ends are sequentially fixed at cistern outer wall
At the top of top and ring-type settling pit ring outer wall；Top cover is provided with the top of cistern pond body.Cistern plays a part of water storage.
The charge for remittance ditch is connected to the water inlet of cistern, and the lower sides of cistern are provided with delivery port, the irrigation
One end connection delivery port of water-supply-pipe, the other end lead to lower farmland.
The circular aperture diameter 2cm on fixed bed in the seepage interception ditch that dams and arranged in equilateral triangle orientation；Cut and ooze
The end points of layer connection ditch bottom impervious barrier cuts 3~8 degree of infiltration layer and horizontal plane angle less than the end points of connection impermeable stratum.
Along charge for remittance ditch levee crown is less than on baffle plate in the trash rack, baffle plate cross dimensions is with edge on baffle plate with lower part
Charge for remittance ditch cross dimension size is identical；Collect at the top of basket basket wall less than edge on baffle plate, collect basket by 1cm × 1cm grid systems
Into；70~80 degree of the angle of grizzly bar and baffle plate；Grizzly bar spacing 2cm.
The ring-type settling pit width is identical with spacer width, and both water inlet and inlet opening position are below on dividing plate
Edge, water inlet position are less than gap position.
The cover plate tilts down from cistern top edge, 70~80 degree of cover plate and cistern outer wall angle, on cover plate
Circular aperture diameter 1cm.
Because the rainwash of rainfall formation and underground percolation can be flowed to lower on the eminence Forest and sod in Mountain Area hillside fields, when
Rainwash and underground percolation are flowed to loaded filter 21, fixed bed 22, descending impervious barrier 23, bottom of trench impervious barrier 24, section infiltration layer
25 structures dam seepage interception ditch 2 when can be intercepted, wherein underground percolation is flowed to dam and oozed by loaded filter 21 and fixed bed 22
Ditch 2, the infiltration layer 25 that cuts for being connected to impermeable stratum add underground percolation amount.Each bar dam seepage interception ditch 2 interception water be flowed to
In ditch 3, water is on the increase in charge for remittance ditch 3 and continues towards lower.Current run into the baffle plate of trash rack 4 in charge for remittance ditch 3
Generation is stopped up when 41, the water surface raises phenomenon, and when water level exceedes 41 height of baffle plate in charge for remittance ditch 3, current can be from edge on baffle plate 41
By being dropped back into the gap of grizzly bar 44 in charge for remittance ditch 3, and suspension pushes down on by impulsive force and Action of Gravity Field and moves up into collection
Basket 42, the function of the dirty separation of water is realized, the debris collected in basket 42 can be in non-rain time periodic cleaning.By waste-blocking position reason
Water flows through water inlet 51 and entered in ring-type settling pit 51, and current are another because spacer function can flow to dividing plate 54 along cyclic path
The inlet opening 55 of side enters 5 in cistern.Water velocity declines in flow process and path increase makes sediment settlement in water, mud
Sand can periodically turn on the manual cleaning of sand discharge hole 57.After cistern 5 stores full water, water can be directly through ring-type settling pit 51 by gap
56 flow away, without entering in the pond body of cistern 5.The cover plate 52 on the top of ring-type settling pit 51 is provided with circular aperture, Chinese celery etc. above
Water plant can grow in aperture, cut down pollution factor concentration in water, the broken branches and fallen leaves of plant can be along with gradient
Cover plate 52 is discharged to.Top cover 59 can prevent pollutant from entering in cistern 5, play the effect of protection water source.Water in cistern 5 is through going out
The mouth of a river 58 is flowed in irrigation water delivery pipeline 6, and the valve opened when being irrigated on irrigation water delivery pipeline 6 is carried out to lower farmland
Gravity irrigation.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in above-mentioned technological means, also
Including being combined formed technical scheme by above technical characteristic.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (10)
1. hillside fields footpath seepage flow ecology harvests irrigation system, it is characterized in that including collection rain face, the seepage interception ditch that dams, charge for remittance ditch, trash rack,
Cistern and irrigation water delivery pipeline,
The eminence that the collection rain face is arranged in Mountain Area hillside fields is waste on the ground, and the seepage interception ditch that dams is arranged on collection rain face along contour
On；The rainwater to dam in seepage interception ditch is flowed in charge for remittance ditch, trash rack is arranged in charge for remittance ditch, and charge for remittance ditch is connected to water storage
Pond, the rainwater in cistern pass through irrigation water delivery pipeline to lower farmland.
2. hillside fields footpath seepage flow ecology according to claim 1 harvests irrigation system, it is characterized in that the irrigation water delivery pipeline
Provided with valve.
3. hillside fields footpath seepage flow ecology according to claim 2 harvests irrigation system, it is characterized in that in the seepage interception ditch that dams
Loaded filter and fixed bed are sequentially arranged in the side slope of upward slope side, loaded filter is close to domatic arrangement, and fixed bed is close to anti-filter
Layer is arranged and is provided with circular aperture；
Descending impervious barrier is arranged in the side slope of the seepage interception ditch close to descending side of damming, in the seepage interception ditch bottom of trench arrangement bottom of trench that dams
Impervious barrier；
Infiltration layer is cut close to the side arrangement gone up a slope in the bottom of trench impervious barrier, a section infiltration layer both ends are connected to bottom of trench impervious barrier and leaned on
The one end closely gone up a slope and hillside fields impermeable stratum.
4. hillside fields footpath seepage flow ecology according to claim 3 harvests irrigation system, it is characterized in that trash rack include collecting basket,
Grizzly bar, baffle plate and pillar, the baffle plate of the trash rack are arranged vertically on charge for remittance ditch transverse direction section, collect basket arrangement under the baffle
Fixed in the charge for remittance ditch in slope direction and provided with pillar support, pillar bottom is fixed on charge for remittance ditch bottom of trench, and pillar top flushes, grizzly bar
One end is fixed on edge on baffle plate, and the grizzly bar other end, which is fixed on, collects basket at the top of the basket wall of baffle plate side.
5. hillside fields footpath seepage flow ecology according to claim 4 harvests irrigation system, it is characterized in that outside the cistern top
Wall is provided with ring-type settling pit, and ring-type settling pit bottom is provided with sand discharge hole, and ring-type settling pit external annulus are provided with water inlet and gap；
Be disposed with dividing plate in ring-type settling pit vertically, two vertical edges of dividing plate successively with ring-type settling pit ring inwall and cistern outer wall
Connection, cistern top are provided with inlet opening, and water inlet and inlet opening are sequentially located at dividing plate both sides；Band is arranged on ring-type settling pit top
There is the cover plate of circular aperture, cover plate both ends are sequentially fixed at the top of cistern outer wall and at the top of ring-type settling pit ring outer wall；Water storage
Top cover is provided with the top of the pond body of pond.
6. hillside fields footpath seepage flow ecology according to claim 5 harvests irrigation system, it is characterized in that the charge for remittance ditch is connected to
The water inlet of cistern, the lower sides of cistern are provided with delivery port, and one end of the irrigation water delivery pipe connects delivery port, separately
Lower farmland is led in one end.
7. hillside fields footpath seepage flow ecology according to claim 6 harvests irrigation system, it is characterized in that in the seepage interception ditch that dams
Fixed bed on circular aperture in rule uniform orientation arrangement；The end points for cutting infiltration layer connection ditch bottom impervious barrier is impermeable less than connecting
The end points of water layer, cut 3~8 degree of infiltration layer and horizontal plane angle.
8. hillside fields footpath seepage flow ecology according to claim 7 harvests irrigation system, it is characterized in that the gear in the trash rack
Along charge for remittance ditch levee crown is less than on plate, baffle plate cross dimensions is with edge on baffle plate with the charge for remittance ditch cross dimension size phase of lower part
Together；Collect at the top of basket basket wall less than edge on baffle plate, collect basket by grid system into；70~80 degree of the angle of grizzly bar and baffle plate.
9. hillside fields footpath seepage flow ecology according to claim 8 harvests irrigation system, it is characterized in that the ring-type settling pit is wide
Degree is identical with spacer width, and both water inlet and inlet opening position are below edge on dividing plate, and water inlet position is less than gap position
Put.
10. hillside fields footpath seepage flow ecology according to claim 9 harvests irrigation system, it is characterized in that the cover plate is from cistern
Top edge tilts down, 70~80 degree of cover plate and cistern outer wall angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090323.3U CN206646467U (en) | 2017-01-22 | 2017-01-22 | Hillside fields footpath seepage flow ecology harvests irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090323.3U CN206646467U (en) | 2017-01-22 | 2017-01-22 | Hillside fields footpath seepage flow ecology harvests irrigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206646467U true CN206646467U (en) | 2017-11-17 |
Family
ID=60282791
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720090323.3U Expired - Fee Related CN206646467U (en) | 2017-01-22 | 2017-01-22 | Hillside fields footpath seepage flow ecology harvests irrigation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487418A (en) * | 2018-05-31 | 2018-09-04 | 北京东方园林环境股份有限公司 | A kind of water and soil conservation structure of prevention soil erosion for loess region |
| CN108643203A (en) * | 2018-05-23 | 2018-10-12 | 刘凤山 | A kind of innovative technology controlled soil erosion |
| CN109113124A (en) * | 2018-06-22 | 2019-01-01 | 杭州天顶距土地勘测规划设计有限公司 | A kind of Soil erosion system |
| CN110214615A (en) * | 2019-05-27 | 2019-09-10 | 云南农业大学 | A kind of construction method of dry-hot valley ecological green belt terraced fields |
| CN111236384A (en) * | 2020-01-15 | 2020-06-05 | 中国科学院遗传与发育生物学研究所 | Method for constructing rainwater external-concentration internal-storage system for steep rocky mountain |
| 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 |
-
2017
- 2017-01-22 CN CN201720090323.3U patent/CN206646467U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643203A (en) * | 2018-05-23 | 2018-10-12 | 刘凤山 | A kind of innovative technology controlled soil erosion |
| CN108487418A (en) * | 2018-05-31 | 2018-09-04 | 北京东方园林环境股份有限公司 | A kind of water and soil conservation structure of prevention soil erosion for loess region |
| CN109113124A (en) * | 2018-06-22 | 2019-01-01 | 杭州天顶距土地勘测规划设计有限公司 | A kind of Soil erosion system |
| CN110214615A (en) * | 2019-05-27 | 2019-09-10 | 云南农业大学 | A kind of construction method of dry-hot valley ecological green belt terraced fields |
| CN111236384A (en) * | 2020-01-15 | 2020-06-05 | 中国科学院遗传与发育生物学研究所 | Method for constructing rainwater external-concentration internal-storage system for steep rocky mountain |
| CN111236384B (en) * | 2020-01-15 | 2021-03-05 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Method for constructing rainwater external-concentration internal-storage system for steep rocky mountain |
| CN113026862A (en) * | 2020-01-15 | 2021-06-25 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Rainwater collection and storage system for enhancing conservation capacity of steep rocky mountain water source |
| 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 |
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Granted publication date: 20171117 Termination date: 20210122 |