CN207354947U - A kind of new terraced fields suitable for being transformed plateau escarpment - Google Patents
A kind of new terraced fields suitable for being transformed plateau escarpment Download PDFInfo
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- CN207354947U CN207354947U CN201720773276.2U CN201720773276U CN207354947U CN 207354947 U CN207354947 U CN 207354947U CN 201720773276 U CN201720773276 U CN 201720773276U CN 207354947 U CN207354947 U CN 207354947U
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- plateau
- escarpment
- level land
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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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- 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
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Abstract
The utility model discloses a kind of new terraced fields suitable for being transformed plateau escarpment, including slopes, the multi-layer planting level land built in slopes along the horizontal direction of slopes, each plantation level land is in step parallel distribution, connected between neighbouring two layers kind of plant level land using slope, slope includes tilting section and straight section, the both sides on plantation level land are provided with internal drainage canal and outer drainage ditch, straw layer is equipped with successively in the top on plantation level land, Flyash Layer and soil cover, the side of internal drainage canal connects with straight section, opposite side connects with a horizontal edge of straw layer, the side of outer drainage ditch connects with another horizontal edge of straw layer, opposite side is provided with two adjacent interior field bunds and outer field bund.The utility model not only can effectively collect rainwater, reduce rainwater and field face is washed away, and can reduce the soil erosion in soil, play preferable water conservation, fertilizer conservation, the effect of prevention waterlogging, have highly important social effect and wide application prospect.
Description
Technical field
The utility model belongs to farmland water conservancy works technical field, and in particular to one kind is suitable for transforming plateau escarpment
New terraced fields.
Background technology
Sloping upland improvement is the emphasis of water and soil conservation in recent decades, and transforming slope into terrace is that current erosion and torrent control works uses
A kind of important method, and mountainous treatment sloping upland and build basic farmland effective measures.Gradient optimiziation by varying
Slope surface length, segmentation intercept runoff, increase infiltrating the time, slowing down rainwash speed, effectively prevent and reduce runoff for soil
To the souring of table soil, the precipitation retained can also be switched to deep subsoil water and underground water by slope surface, improve the anti-of crop
Non-irrigated ability.With the significantly push away near of gradient optimiziation in recent years, in China remote mountain area or rural area, plateau escarpment is transformed into
A great engineering is also become for level terraced field.But during being transformed in existing plateau escarpment, due to by plateau
The limitation of hillside fields lineament, plateau escarpment, which is built into level terraced field and does not only exist, builds that difficulty is big, improvement cost is high, and
Also there is the phenomenon of inconvenient peasant's farming and livestock walking after transforming, simultaneously as terraced fields design is unreasonable, its water conservation,
The effect of fertilizer conservation is poor.Therefore, a kind of design of development is rationally, improvement cost is low, plough well, retain water and nutrients effect is shown
Write, easy to maintain, soil layer connection and reasonable arrangement the new terraced fields suitable for being transformed plateau escarpment are desirabilities.
The content of the invention
The purpose of this utility model is to provide one kind design is reasonable, improvement cost is low, ploughs well, retain water and nutrients effect
Significantly, easy to maintain, soil layer connection and reasonable arrangement the new terraced fields suitable for being transformed plateau escarpment.
The purpose of this utility model is achieved in that including slopes, is built in slopes along the longitudinal direction of slopes
Multi-layer planting level land, each level land of planting is in step parallel distribution, is connected between neighbouring two layers kind of plant level land using slope,
Slope includes tilting section and straight section, and the horizontal direction for planting the both sides on level land along plantation level land is provided with internal drainage canal and outer
Drainage ditch, straw layer, Flyash Layer and soil cover, the height of soil cover are equipped with the top on plantation level land successively
Gradually reduced by the inside drainage ditch in the middle part of soil cover and outer drainage ditch side, and the side of internal drainage canal and straight section phase
Connect, opposite side connects with a horizontal edge of straw layer, and the side of outer drainage ditch connects with another horizontal edge of straw layer, and opposite side is set
There are two adjacent interior field bunds and outer field bund.
The slope of neighbouring two layers kind plant level land time is designed to tilting section and straight section, tilting section by the utility model
Can effectively collect rainwater, reduce rainwater washing away in two-stage plantation level land Shang Duitian faces, protection terraced fields field face structure from
Damage, straight section is while can help tilting section draining, additionally it is possible to firm effect is got to tilting section, ensures the base on slope
Plinth consolidates, and the phenomenon for avoiding caving in occurs, meanwhile, by being set to the reasonable of soil layer construction, flyash has stronger water suction to make
With, the moisture filter that moisture absorption unnecessary in soil cover, aggregation, straw layer can be absorbed flyash, two
Person with the use of can be effectively in soil effective element filtered, reduce the soil erosion in soil, play preferable
Water conservation, fertilizer conservation, prevention waterlogging effect, and set double field bund structures can effectively prevent ridge Collapse Deformation, this is to terraced fields
Agricultural production it is highly useful, there is highly important social effect and wide application prospect.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the schematic side view of the utility model;
In figure:1- slopes, 2- tilting sections, 3- infiltration grooves, 4- straight sections, 5- soil covers, 6- Flyash Layers, 7- rice
Grass layer, the outer drainage ditch of 8-, field bund in 9-, the outer field bunds of 10-, 11- geotextiles, 12- kinds plant level land, 13- internal drainage canals.
Embodiment
The utility model will be further described below with reference to the accompanying drawings, but the utility model is not subject in any way
Limitation, any changes and modifications made based on the utility model training centre, belongs to the scope of protection of the utility model.
As shown in Fig. 1~2, the utility model includes slopes 1, the multilayer built in slopes 1 along the longitudinal direction of slopes 1
Level land 12 is planted, each level land 12 of planting is in step parallel distribution, is connected between neighbouring two layers kind of plant level land 12 using slope
Connect, the slope includes tilting section 2 and straight section 4, and tilting section 2 can effectively collect rainwater, reduces rainwater and is planted in two-stage
Field face is washed away on level land 12, protects terraced fields field face structure not to be damaged, straight section 4 can help the same of 2 draining of tilting section
When, additionally it is possible to firm effect is got to tilting section 2, ensures that the basis on slope consolidates, the phenomenon for avoiding caving in occurs, the kind
The both sides for planting level land 12 are provided with internal drainage canal 13 and outer drainage ditch 8 along the horizontal direction on plantation level land 12, on plantation level land
12 top is equipped with straw layer 7, Flyash Layer 6 and soil cover 5 successively, and the height of soil cover 5 is covered by soil
The inside drainage ditch 13 in middle part of layer 5 and 8 side of outer drainage ditch gradually reduce, and the side of internal drainage canal 13 connects with straight section 4, separately
Side connects with a horizontal edge of straw layer 7, and the side of outer drainage ditch 8 connects with another horizontal edge of straw layer 7, and opposite side is provided with
Two adjacent interior field bunds 9 and outer field bund 10, Flyash Layer 6 have stronger water sorption, can will be more in soil cover 5
Remaining moisture absorption, aggregation, the moisture filter that straw layer 7 can absorb flyash, the two with the use of can be effective
Effective element in soil is filtered, and reduces the soil erosion in soil, plays preferable water conservation, fertilizer conservation, the effect of prevention waterlogging,
The double field bund structures set can effectively prevent ridge Collapse Deformation.
When structure the utility model is, plateau escarpment is pushed into the terraced fields of step using bull-dozer, the plantation of terraced fields is put down
Ground 12 it is smooth it is complete after, the connection slope between neighbouring plantation level land 12 is repaired, is processed slope by cutting slope
Into tilting section 2 and straight section 4, and the tilting section 2 on its slope is set to be less than 45 ° of inclined-planes completely smoothed out, slope as a gradient
After finishing, then interior field bund 9 and outer field bund 10 are built on the top on slope, then again in the both sides excavation on plantation level land 12
Drainage ditch 13 and outer drainage ditch 8, are finally laid with straw layer 7, Flyash Layer 6 and soil in the top on plantation level land 12 again and cover successively
Cap rock 5, during laying, the height of soil cover 5 is reduced from the inside drainage ditch 13 in center and outer drainage ditch 8 on plantation level land 12,
So be conducive to draining, avoid plantation 12 internal water accumulation of level land.
In order to the rainwater discharge in time collecting tilting section 2, infiltration groove 3 is provided with the slopes 1 of tilting section 2,
The groove 3 that seeps water arranges that groove 3 can be by the bottom of unnecessary rain penetration to slope by seeping water along the horizontal direction of slopes 1
Layer, avoids rainwater from being flowed into along under slope in lower floor's plantation level land 12, causes lower floor to plant 12 ponding of level land.Preferably,
The cross sectional shape of the infiltration groove 3 is semicircle or square.
Emptied in order to timely will go into the water in internal drainage canal 13 and outer drainage ditch 8, avoid permeating downwards, institute
State and one layer of geotextiles 11 are equipped with internal drainage canal 13 and outer drainage ditch 8, preferably.The internal drainage canal 13 and outer drainage ditch 8
Cross sectional shape be inverted trapezoidal.
In order to further prevent terraced fields ridge Collapse Deformation, it is preferable that the section shape of the interior field bund 9 and outer field bund 10
Shape is trapezoidal.
The thickness of the straw layer 7, Flyash Layer 6 and soil cover 5 is all by technical staff's repetition test research
Draw, empress dowager influences plant growth, too thin not have filtering, an effect of water conservation, and the thickness of the straw layer 7 is 3~5cm, powder
The thickness of soot layer 6 is 5~10cm, and the thickness of soil cover 5 is 30~50cm.
The height of field bund is generally greater than the height of terraced fields, and the setting of field bund can be used as the passage of people's row, also function at the same time
The effect such as region division is carried out to farmland, it is preferable that the height of the interior field bund 9 and outer field bund 10 is 5 thickness of soil cover
1~2 times.
The gradient of tilting section 2 is excessive, is unfavorable for draining, cannot guarantee that the basis on slope consolidates, it is preferable that tilting section 2
The gradient be less than 45 °.
Claims (9)
- A kind of 1. new terraced fields suitable for being transformed plateau escarpment, it is characterised in that:Including slopes(1), the slopes(1) On along slopes(1)Longitudinal direction structure multi-layer planting level land(12), respectively plant level land(12)In step parallel distribution, Neighbouring two layers kind of plant level land(12)Between using slope connect, the slope includes tilting section(2)And straight section(4), institute State plantation level land(12)Both sides along plantation level land(12)Horizontal direction be provided with internal drainage canal(13)With outer drainage ditch (8), on plantation level land(12)Top be equipped with straw layer successively(7), Flyash Layer(6)And soil cover(5), soil covers The height of cap rock 5 is by soil cover(5)The inside drainage ditch in middle part(13)With outer drainage ditch(8)Side gradually reduces, and interior row Water channel(13)Side and straight section(4)Connect, opposite side and straw layer(7)A horizontal edge connect, outer drainage ditch(8)Side With straw layer(7)Another horizontal edge connect, opposite side is provided with two adjacent interior field bunds(9)With outer field bund(10).
- A kind of 2. new terraced fields suitable for being transformed plateau escarpment according to claim 1, it is characterised in that:It is described Tilting section(2)Slopes 1 on be provided with infiltration groove(3), the infiltration groove(3)Along slopes(1)Horizontal direction arrangement.
- A kind of 3. new terraced fields suitable for being transformed plateau escarpment according to claim 2, it is characterised in that:It is described Seep water groove(3)Cross sectional shape to be semicircle or square.
- A kind of 4. new terraced fields suitable for being transformed plateau escarpment according to claim 1, it is characterised in that:It is described Internal drainage canal(13)With outer drainage ditch(8)Inside it is equipped with one layer of geotextiles(11).
- A kind of 5. new terraced fields suitable for being transformed plateau escarpment according to claim 1, it is characterised in that:It is described Internal drainage canal(13)With outer drainage ditch(8)Cross sectional shape be inverted trapezoidal.
- A kind of 6. new terraced fields suitable for being transformed plateau escarpment according to claim 1, it is characterised in that:It is described Interior field bund(9)With outer field bund(10)Cross sectional shape to be trapezoidal.
- A kind of 7. new terraced fields suitable for being transformed plateau escarpment according to claim 1, it is characterised in that:It is described Straw layer(7)Thickness be 3~5cm, Flyash Layer(6)Thickness be 5~10cm, soil cover(5)Thickness for 30~ 50cm。
- A kind of 8. new terraced fields suitable for being transformed plateau escarpment according to claim 1, it is characterised in that:It is described Interior field bund(9)With outer field bund(10)Height be soil cover(5)1~2 times of thickness.
- A kind of 9. new terraced fields suitable for being transformed plateau escarpment according to claim 1, it is characterised in that:It is described Tilting section(2)The gradient be less than 45 °.
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CN201720773276.2U CN207354947U (en) | 2017-06-29 | 2017-06-29 | A kind of new terraced fields suitable for being transformed plateau escarpment |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109496701A (en) * | 2019-01-11 | 2019-03-22 | 中国科学院亚热带农业生态研究所 | A kind of method of Southern Red Soil hilly upland grass planting |
CN113179870A (en) * | 2021-03-24 | 2021-07-30 | 贵州省草业研究所 | Ecological seepage-proofing system for plough layer in mountainous area and use method thereof |
CN114680004A (en) * | 2022-03-03 | 2022-07-01 | 云南农业大学 | Terraced fields water fixing device for land reclamation and slope |
-
2017
- 2017-06-29 CN CN201720773276.2U patent/CN207354947U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109496701A (en) * | 2019-01-11 | 2019-03-22 | 中国科学院亚热带农业生态研究所 | A kind of method of Southern Red Soil hilly upland grass planting |
CN113179870A (en) * | 2021-03-24 | 2021-07-30 | 贵州省草业研究所 | Ecological seepage-proofing system for plough layer in mountainous area and use method thereof |
CN113179870B (en) * | 2021-03-24 | 2023-06-02 | 贵州省草业研究所 | Ecological seepage-proofing system for plough layer in mountain area and application method thereof |
CN114680004A (en) * | 2022-03-03 | 2022-07-01 | 云南农业大学 | Terraced fields water fixing device for land reclamation and slope |
CN114680004B (en) * | 2022-03-03 | 2023-09-05 | 云南农业大学 | Land is renovated hillside fields terraced fields and is solid water installation |
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