CN106836108B - A kind of south sloping upland turf water channel spatial niche Optimal Configuration Method - Google Patents
A kind of south sloping upland turf water channel spatial niche Optimal Configuration Method Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
Abstract
The present invention relates to a kind of southern sloping upland turf water channel spatial niche Optimal Configuration Methods, comprising the following steps: S1: delimit water channel region；S2: the surface slope and size shape of the adjustment building water channel；S3: selection is adapted to the herbage variety building straw cord of local climate, increases planting density, and application of organic fertilizers is as base fertilizer；S4: it determines community hight scheme: selecting herbaceous plant type and adjustment Species structure region by configuration scheme, and the straw cord must uniformly and continuously when plant in same channel；S5: straw bag or non-woven fabrics are after planting covered and carries out labor management, prevents the invasion and artificial destruction of other plant species, disease and pest control, it is ensured that the stabilization of channel ecology buffer strip；And S6: straw cord is cradled.
Description
Technical field
The present invention relates to agricultural non -point pollution control fields, and in particular to is matched to a kind of using optimization grass seeds spatial niche
It sets to construct turf water channel to hinder the method for controlling southern sloping upland agricultural non-point source pollution.
Background technique
Steep hilly region in southern China due to unique natural conditions, such as mountain and hill staggeredly, hypsography is big, rainfall is more and
Concentrate, storm intensity is big, slacking is strong, the density of population is high, people it is particularly thorny etc., provided for soil erosion
Advantage.
According to statistics, have 12% in steep hilly region in southern China arable land, about 3.3 ten thousand km2Belong to the sloping upland opened up wasteland along slope, distribution
Widely.Since disused arable land is big, soil layer is thin, soil depletion, and peasant is in order to improve cereal crops yield, excessive useization
Fertilizer and pesticide, under the influence of southern climates condition of raining, soil erosion aggravates year by year, directly results in a large amount of nitrogen, phosphorus, silt
Into water body, serious agricultural nonpoint source pollution has been in turn resulted in.
In face of such serious agricultural non -point pollution problem, various countries also take corresponding control measure, mainly there is pollution
Source control and runoff process control.It is directed to be the ecological agriculture and ecology fertilising etc. to the most important technology of pollution source apportionment；
And runoff process control mainly includes establishing suitable artificial pool, artificial swamp and various types of vegetation buffer strips etc., is come
Achieve the purpose that intercept runoff and silt.
Existing research shows between field, river planted on two sides ribbon vegetation can effectively intercept, be detained silt,
That cuts down the pollutants such as nitrogen, phosphorus enters river load, normally referred to as vegetation buffer strip.This is a kind of low in cost and fruitful
Ecological engineering measure.Vegetation buffer strip technology is applied since 15-16 century in Europe, and in 1978 by the U.S.
It is recommended as Best Management Practices.
Can be divided into according to vegetation pattern buffer strip it is a variety of, including meadow buffer strip, shrub buffer strip, forest buffer strip with
And two the above vegetation composition of class composite buffering band.And meadow buffering bandwidth be generally higher than 3m, because be easy management and investment at
This is less and application is most universal, and it is the most significant to the effect of removal farmland surface nitrogen and phosphorus pollutants and runoff and sediment.
Turf water channel is as a tie between farmland and downstream receiving water body, with turf covering farm land drainage channel
Form makes the storm runoff by turf water channel, irrigates the agricultural wastewaters such as production stream by adsorption by soil, plant absorption, biology drop
A series of effects, nitrogen, phosphorus, the sediment contents being lowered into receiving water body such as solution are not only the safety drain road of sloping upland, and
And it can be used as a kind of ecological buffer strip to hinder control agricultural non -point pollution.
And in order to maximize the resistance control agricultural non -point pollution effect of turf water channel, space must be carried out to buffer strip plant
Ecological niche is distributed rationally.So-called ecological niche is the characteristic of species, refers to one kind and its ambient enviroment (including physical environment, life
Object relationship) summation.Just because of difference of a variety of species on ecological niche, many species is just made to be able to live in a life
In state system.Therefore when constructing turf water channel, Yao Yunyong Niche Theory, according to different plant population grounds bottom portion
Hierarchical layout utilizes the resources such as limited light, air and heat, water, fertilizer rationally using multi-level spatial niche, avoids planting
The direct competitive of group and exclusion are to establish the stable and efficient ecosystem.
Therefore, research and develop it is a kind of suitable for southern sloping upland agricultural non -point pollution resistance control turf water channel spatial niche it is excellent
Changing allocation plan is necessary.
Summary of the invention
The present invention is directed to steep hilly region in southern China sloping upland weather Characteristics of Precipitation, vegetation growth habit and agricultural non -point pollution
Feature provides a kind of southern sloping upland turf water channel spatial niche Optimal Configuration Method.
The technical solution adopted by the present invention: a kind of south sloping upland turf water channel spatial niche Optimal Configuration Method, packet
Include following steps: S1: delimiting water channel region, selects apart from least 3 meters of diversion water channel outlet extension of land area, as channel
The building region of buffer strip；S2: the surface slope and size shape of the adjustment building water channel adjust the building water channel
The gradient to less than 10 °, crossing water adjustment of cross-section is parabolic-shaped section, and crossing water cross section width range is 1-2m, the water of side slope
Flat length is greater than or equal to 4:1 than vertical length, and does not change the soil layer internal environment in the building region；S3: selection adapts to
Straw cord is constructed in the herbage variety of local climate, increases planting density, and application of organic fertilizers is as base fertilizer；S4: group's structure is determined
It builds scheme: selecting herbaceous plant type and adjustment Species structure region by configuration scheme, and the straw cord is in same ditch
It must be uniformly and continuous when being planted in road；S5: straw bag or non-woven fabrics are after planting covered and carries out labor management, prevents other plants
The invasion and artificial destruction of species, disease and pest control, it is ensured that the stabilization of channel ecology buffer strip；And S6: straw cord is cradled.
The effect of the technical program is: this method building cost of investment is low, method is simple, strong operability, maintenance operation
Simply, original farmland ecosystem will not be had an impact；And and have not been changed the ecologic structure and function in original farmland, not only increase
Added species diversity, increased surface ground coverage, and can efficient retention agricultural non -point pollution, reduce soil erosion and give
The load that river pollution is brought.
Further, in step S1 and S2, when being adjusted rear fall of channel is 1-5 °, then selection is apart from diversion water channel
Building region of the land area that 3-10 meters of outlet extension as channel buffer strip.
Further, in step S3 and S4, in the building region, in water channel water inlet, water outlet, two sides and side slope
Mixed seeding accounts for the paspalum notatum and Bermuda grass of the entire water channel region gross area 30%, application rate: Bermuda grass 0.6g/m2, paspalum notatum
8.7g/m2；Mixed seeding Festuca Arundinacea and white flower clover in remaining 70% described water channel region gross area region, Bromus inermis 3:1,
Mixed seeding should be carried out along water channel direction is not parallel to when sowing, it is uniformly and continuous.
Further, in step S1 and S2, when being adjusted rear fall of channel is 5-10 °, then selection is apart from diversion water
Building region of the land area that outlet extension 10-30 meters of road as channel buffer strip.
Further, in step S3 and S4, in the building region, in water channel water inlet, water outlet, two sides and side slope
Mixed seeding accounts for the paspalum notatum and Bermuda grass of the entire water channel region gross area 30%, application rate: Bermuda grass 0.6g/m2, paspalum notatum
8.7g/m2；Mixed seeding paspalum notatum, three leaf of Festuca Arundinacea, Bermuda grass and white flower in remaining 70% described water channel region gross area region
Grass, Bromus inermis 1:1:1:1 should carry out mixed seeding along water channel direction is not parallel to when sowing, uniformly and continuous.
Further, in step S1 and S2, when being adjusted rear fall of channel is 10-30 °, then selection is apart from diversion water
Building region of 30 meters of road outlet extension or more of the land area as channel buffer strip.
Further, in step S3 and S4, in the building region, in water channel water inlet, water outlet, two sides and side slope
Mixed seeding accounts for the paspalum notatum and Bermuda grass of the entire water channel region gross area 30%, application rate: Bermuda grass 0.6g/m2, paspalum notatum
8.7g/m2；Mixed seeding paspalum notatum, three leaf of Festuca Arundinacea, Bermuda grass and white flower in remaining 70% described water channel region gross area region
Grass, Bromus inermis 1:1:1:1 should carry out mixed seeding along water channel direction is not parallel to when sowing, uniformly and continuous.
Further, in step S1 and S2, fall of channel can not adjust to less than at 10 °, then in water channel every 3 or
Erosion-control dam, and mixed seeding paspalum notatum and Bermuda grass on the erosion-control dam, application rate: Bermuda grass 0.6g/m are built at 5 meters of positions2,
Paspalum notatum 8.7g/m2。
Detailed description of the invention
Fig. 1 show a kind of stream of southern sloping upland turf water channel spatial niche Optimal Configuration Method provided by the invention
Cheng Tu.
Fig. 2 show the top view of the first affiliated turf water channel ecology buffer strip of the invention, wherein a, paspalum notatum, b,
Bermuda grass, c, Festuca Arundinacea, d, white flower clover.
Fig. 3 show the present invention second belonging to turf water channel ecology buffer strip top view, wherein a, paspalum notatum, b,
Bermuda grass, c, Festuca Arundinacea, d, white flower clover.
Fig. 4 is the side view of turf water channel ecology buffer strip belonging to the present invention, and wherein θ is that water channel slope surface and horizontal plane press from both sides
Angle.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Referring to Fig. 1, excellent for a kind of southern sloping upland turf water channel spatial niche that first embodiment of the invention provides
The flow chart for changing configuration method, mainly comprises the steps that
S11: delimit water channel region: selection is slow as channel apart from 3-10 meters of diversion water channel outlet extension of land area
The building region of band is rushed, the best position in the water channel region is the hondo of depression or free drainage, if field is not done naturally
Ditch then needs to excavate gutter；
S12: the gradient of the adjustment building water channel is 1-5 °, and adjusting water cross section is parabolic-shaped section, width model
1-2m is enclosed, side slope preferably uses 4:1 (horizontal length is than vertical length) or gentler, referring to Fig. 4, and not changing the building
The soil layer internal environment (parabolic-shaped section of the water channel is mowed with facilitating, and is also beneficial to passing through for farmland machinery) in region；
S13: selection is adapted to the herbage variety building straw cord of local climate, increases planting density, and application of organic fertilizers is made
For base fertilizer；
S14: it determines community hight scheme: selecting herbaceous plant type and adjustment Species structure area by configuration scheme
Domain, and the straw cord must be uniformly and continuous when planting in same channel, specifically:
Please refer to Fig. 2, in the building region, water is accounted in water channel water inlet, water outlet, two sides and side slope mixed seeding
The paspalum notatum a and Bermuda grass b of the road region gross area 30%, application rate are as follows: Bermuda grass 0.6g/m2, paspalum notatum 8.7g/m2；In water channel
The perennial grass family Festuca Arundinacea c of mixed seeding and perennial pulse family white flower clover d, Bromus inermis 3:1 in remaining 70% surface area,
Mixed seeding should be carried out along water channel direction is not parallel to when sowing, it is uniformly and continuous；
S15: after planting covering straw bag or non-woven fabrics and carry out labor management, prevents the invasion of other plant species and artificial
It destroys, disease and pest control, it is ensured that the stabilization of channel ecology buffer strip；
S16: cradling straw cord, has not only brought certain economic benefit, but also Litter Decomposition is avoided to cause secondary pollution.
A kind of southern sloping upland turf water channel spatial niche Optimal Configuration Method that second embodiment of the invention provides, it is main
Want the following steps are included:
S21: delimit water channel region: selection is slow as channel apart from 10-30 meters of diversion water channel outlet extension of land area
Rush the building region of band；
S22: the gradient of the adjustment building water channel is 5-10 °, and adjusting water cross section is parabolic-shaped section, width model
1-2m is enclosed, side slope preferably uses 4:1 (horizontal length is than vertical length) or gentler, referring to Fig. 4, and not changing the building
The soil layer internal environment in region；
S23: selection is adapted to the herbage variety building straw cord of local climate, increases planting density, and application of organic fertilizers is made
For base fertilizer；
S24: it determines community hight scheme: selecting herbaceous plant type and adjustment Species structure area by configuration scheme
Domain, and the straw cord must be uniformly and continuous when planting in same channel, specifically:
Referring to Fig. 3, accounting for water channel area in water channel water inlet, water outlet, two sides and side slope mixed seeding in the building region
The paspalum notatum a and Bermuda grass b of the domain gross area 30%, application rate: Bermuda grass 0.6g/m2, paspalum notatum 8.7g/m2；Water channel remaining
Mixed seeding study of perennial forage grasses paspalum notatum a, Bermuda grass b, Festuca Arundinacea c and Perennial legume forages white flower in 70% surface area
Clover d, Bromus inermis 1:1:1:1 should carry out mixed seeding along water channel direction is not parallel to when sowing, uniformly and continuous；
S30: straw bag or non-woven fabrics are covered at seeding time and carries out labor management, prevents invasion and the people of other plant species
To destroy, disease and pest control, it is ensured that the stabilization of channel ecology buffer strip；
S26: cradling straw cord, has not only brought certain economic benefit, but also Litter Decomposition is avoided to cause secondary pollution.
A kind of southern sloping upland turf water channel spatial niche Optimal Configuration Method that third embodiment of the invention provides, it is main
Want the following steps are included:
S31: delimit water channel region: selection is apart from 30 meters of diversion water channel outlet extension or more of land area, as channel
The building region of buffer strip；
S32: it when the original soil gradient of the building water channel is 10-30 °, and the gradient adjusted is greater than 10 °, should use up
Amount makes to cut down the gradient to minimum, and adjusting water cross section is parabolic-shaped section, and width range 1-2m, side slope preferably uses 4:1
(horizontal length is than vertical length) or gentler, referring to Fig. 4, but not changing the soil layer internal environment for constructing region；
S33: selection is adapted to the herbage variety building straw cord of local climate, increases planting density, and application of organic fertilizers is made
For base fertilizer；
S34: it determines community hight scheme: selecting herbaceous plant type and adjustment Species structure area by configuration scheme
Domain, and the straw cord must be uniformly and continuous when planting in same channel, specifically:
Referring to Fig. 3, accounting for water channel area in water channel water inlet, water outlet, two sides and side slope mixed seeding in the building region
The paspalum notatum a and Bermuda grass b of the domain gross area 30%, application rate: Bermuda grass 0.6g/m2, paspalum notatum 8.7g/m2；Water channel remaining
Mixed seeding study of perennial forage grasses paspalum notatum a, Bermuda grass b, Festuca Arundinacea c and Perennial legume forages white flower in 70% surface area
Clover d, Bromus inermis 1:1:1:1 should carry out mixed seeding along water channel direction is not parallel to when sowing, uniformly and continuous；
S35: straw bag or non-woven fabrics are covered at seeding time and carries out labor management, prevents invasion and the people of other plant species
To destroy, disease and pest control, it is ensured that the stabilization of channel ecology buffer strip；
S36: cradling straw cord, has not only brought certain economic benefit, but also Litter Decomposition is avoided to cause secondary pollution.
In step s 32, when the original channel soil gradient is 10-30 ° and is unable to adjust the gradient to 10 ° or less, then exist
Step soil check dam group (erosion-control dam) is built at 3 or 5 meters of positions in water channel, and mixed seeding paspalum notatum a and dog on small-sized check dam
Root of the tooth b (application rate: Bermuda grass 0.6g/m2, paspalum notatum 8.7g/m2), sloping upland rainwash is intercepted with segmentation, truncates overland flow
Waterline reduces runoff and washes away to slope surface, plays the role of protecting storage soil fertility, protection water and soil resources, desilting and flood detention.
In this way, south sloping upland turf water channel spatial niche Optimal Configuration Method provided by the invention constructs cost of investment
It is low, method is simple, strong operability, maintenance operation is simple, will not have an impact to original farmland ecosystem；And it and has not been changed
The ecologic structure and function in original farmland not only increase species diversity, surface ground coverage, and can efficient resistance control
Agricultural non -point pollution reduces farmland soil erosion.
The present invention is on the basis of constructing meadow water channel, for weather Characteristics of Precipitation, topography and geomorphology, soil physical chemistry in region
The influence of the factors such as matter, screening has determined drought-enduring function waterlogging, detergent power is strong, landscape effect is good from dominant plant of one's native land
Type plant specifically includes paspalum notatum, Festuca Arundinacea, Bermuda grass, white flower clover.
Paspalum notatum a is the perennial grass family of season type, bunch type, erect type draft, the high 15~80cm of ground upstanding portion,
Long 80~100cm of root system or so, in terms of vertical distribution, 50% or more root system is concentrated in topsoil 30cm.Bermuda grass b is
The perennial grass family of season type, rhizome type, type of crawling draft, the high 10~30cm of ground upstanding portion, root system is mainly distributed on 0~
In the soil layer of 15cm depth.Festuca Arundinacea c is the perennial grass family of cold-season-type, bunch type draft, ground upstanding portion is high by 50~
120cm, root system are mainly distributed in the soil layer of 20~50cm depth.White flower clover d is the perennial pulse family of cold-season-type, bunch type grass
This, the high 10~30cm of ground upstanding portion, root system is mainly distributed in the soil layer of 0~15cm depth.
Meanwhile the present invention takes into account water and soil conservation ability, to various grass to enhance resistance control pollution of area source effect as the main purpose
Configuration is optimized in the spatial niche of kind.
Specifically, the present invention is in diversion water channel water inlet, water outlet, channel two sides, side slope or native check dam mixed seeding grass
Section paspalum notatum a and Bermuda grass b, application rate are as follows: Bermuda grass 0.6g/m2, paspalum notatum 8.7g/m2.From the angle of ecological niche,
Paspalum notatum a and Bermuda grass b mixed seeding realize the Spatial optimum allocation of biotic ecotype, are both erect type draft and type draft of crawling
Collocation, and be the collocation of deep root system draft and shallow root system draft.Turf aerial part passes through erect type draft and type grass of crawling
This collocation increases water channel roughness coefficien, reduces flow rate of water flow, enhances soil erosion resistibility；In under ground portion, pass through deep root
Anchoring and shallow root reinforced action enhance soil shear behavior, increase soil cohesion；Suitable application rate can be in heavy rainfall item
Under part also can balanced soil permeance property and resistant slide ability.
The present invention mixed seeding grass family draft paspalum notatum a, Bermuda grass b, Festuca Arundinacea c and pulse family draft white flower three in the middle part of water channel
Leaf grass d, Bromus inermis 1:1:1:1, i.e. grass family draft and pulse family draft Bromus inermis 3:1.Grass family draft and pulse family draft
Mixed seeding can improve Grassland ecosystems nitrogen nutrition balance by the nitrogen fixation of pulse family draft, give full play to interracial excellent
Gesture is to increase green manure fresh grass, root biomass, activation and build up soil nutrient, the accumulation soil organism, improve soil physical property
The effective measures of shape.Domestic and international pulse family, non-undergraduate course grazing hybrid sowing ratio are summarized, seedlet grass family draft and pulse family draft are best
Bromus inermis is 3:1, the turf buffer strip under this ratio to nutriments such as nitrogen, phosphorus in agricultural run-off water and seepage water and
The removal effect of particulate matter is preferable.According to ecological niche principle, consider each grass seeds in horizontal space, vertical space and underground root system
Niche Differentiation is conducive to improve the stability of the turf ecosystem using the mixed sowing of turf grass that different ecological position is arranged in pairs or groups.Grass seeds exists
The ecological niche of horizontal/vertical spatially is distributed rationally, such as bunch type, erect type draft paspalum notatum, bunch type draft Festuca Arundinacea, white
The collocation of flower clover and rhizome type, type of crawling draft Bermuda grass, can rationally utilize the resources such as light, air and heat, water, fertilizer, improve
Water channel turf coverage, establishes stable and efficient Grassland ecosystems.The ecological niche of underground root system is distributed rationally, such as deep root system
Soil shear behavior and cohesion can be enhanced in the collocation of draft paspalum notatum, Festuca Arundinacea and shallow root system draft Bermuda grass, improves water
The erosion resistibility in road.
According to Landscape Ecology Principle, cold-season-type herbaceous Festuca Arundinacea, white flower clover and warm-season herbal paspalum notatum, dog tooth
Root mixed seeding, the difference that can use its growth period make up the defect of the withered phase redgreen of plant, avoid during autumn and winter or dry season
There is the withered and yellow phenomenon of turf, improves ornamental value.
Along the progress mixed seeding of water channel direction is not parallel to, (type of seeding optionally selector bar can be broadcast, spread the present invention at seeding time
Broadcast or machinery sowed grass seeds by duster), uniformly and continuous, the straw bag or non-woven fabrics after planting covered is built up with early development in turf as good
Good covering and be protected.
Water channel turf every season of the present invention should cradle several times, to promote the new life of plant, and control weeds, both brought certain warp
It helps benefit, and Litter Decomposition is avoided to cause the secondary pollution of nitrogen phosphorus.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of south sloping upland turf water channel spatial niche Optimal Configuration Method, which comprises the following steps:
S1: delimiting water channel region, selects the structure apart from least 3 meters of diversion water channel outlet extension of land area, as channel buffer strip
Build region；S2: the surface slope and size shape of adjustment building water channel adjust the gradient for constructing water channel to less than 10 °, cross water
Adjustment of cross-section is parabolic-shaped section, and crossing water cross section width range is 1-2m, and the horizontal length of side slope is bigger than vertical length
In or be equal to 4:1, and do not change it is described building region soil layer internal environment；S3: selection is adapted to the herbage product of local climate
Kind building straw cord, increases planting density, and application of organic fertilizers is as base fertilizer；S4: community hight scheme is determined: by the side of distributing rationally
Case selects herbaceous plant type and adjustment Species structure region, and the straw cord when plant in same channel must it is uniform and
Continuously；S5: after planting covering straw bag or non-woven fabrics and carry out labor management, prevents the invasion of other plant species and artificially breaks
It is bad, disease and pest control, it is ensured that the stabilization of channel ecology buffer strip；And S6: straw cord is cradled；Wherein, in step S1 and S2, work as warp
Cross adjustment after fall of channel be 1-5 ° when, then select apart from 3-10 meters of diversion water channel outlet extension land area as channel delay
Rush the building region of band；When being adjusted rear fall of channel is 5-10 °, then selection is apart from diversion water channel outlet extension 10-30
Building region of the land area of rice as channel buffer strip；When be adjusted rear fall of channel be 10-30 ° when, then selection away from
Building region of 30 meters from diversion water channel outlet extension or more of the land area as channel buffer strip；When fall of channel can not be adjusted
It is whole to less than at 10 °, then erosion-control dam is built at 3 or 5 meters of positions in water channel.
2. south sloping upland turf water channel spatial niche Optimal Configuration Method as described in claim 1, it is characterised in that: when
When to be adjusted rear fall of channel be 1-5 °, in step S3 and S4, in the building region, water channel water inlet, water outlet,
Two sides and side slope mixed seeding account for the paspalum notatum and Bermuda grass of the entire water channel region gross area 30%, application rate: Bermuda grass 0.6g/
M2, paspalum notatum 8.7g/m2；Mixed seeding Festuca Arundinacea and white flower clover, mixed seeding in remaining 70% described water channel region gross area region
Ratio 3:1 should carry out mixed seeding along water channel direction is not parallel to when sowing, uniformly and continuous.
3. south sloping upland turf water channel spatial niche Optimal Configuration Method as described in claim 1, it is characterised in that: when
When to be adjusted rear fall of channel be 5-10 °, in step S3 and S4, in the building region, in water channel water inlet, it is discharged
Mouth, two sides and side slope mixed seeding account for the paspalum notatum and Bermuda grass of the entire water channel region gross area 30%, application rate: Bermuda grass
0.6g/m2, paspalum notatum 8.7g/m2；Mixed seeding paspalum notatum, Festuca Arundinacea, dog tooth in remaining 70% described water channel region gross area region
Root and white flower clover, Bromus inermis 1:1:1:1, when sowing, should carry out mixed seeding along water channel direction is not parallel to, uniformly and even
It is continuous.
4. south sloping upland turf water channel spatial niche Optimal Configuration Method as described in claim 1, it is characterised in that: when
When to be adjusted rear fall of channel be 10-30 °, in step S3 and S4, in the building region, in water channel water inlet, it is discharged
Mouth, two sides and side slope mixed seeding account for the paspalum notatum and Bermuda grass of the entire water channel region gross area 30%, application rate: Bermuda grass
0.6g/m2, paspalum notatum 8.7g/m2；Mixed seeding paspalum notatum, Festuca Arundinacea, dog tooth in remaining 70% described water channel region gross area region
Root and white flower clover, Bromus inermis 1:1:1:1, when sowing, should carry out mixed seeding along water channel direction is not parallel to, uniformly and even
It is continuous.
5. south sloping upland turf water channel spatial niche Optimal Configuration Method as described in claim 1, it is characterised in that: when
Fall of channel can not adjust to less than at 10 °, mixed seeding paspalum notatum and Bermuda grass on the erosion-control dam, application rate: Bermuda grass 0.6g/
M2, paspalum notatum 8.7g/m2.
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|---|---|---|---|---|
| CN109644900A (en) * | 2018-12-05 | 2019-04-19 | 北京师范大学 | A kind of method of determining Fish Communities revegetation potentiality |
| CN110692450B (en) * | 2019-11-12 | 2022-03-25 | 北京花乡花卉科技研究所有限公司 | Construction method of shade-tolerant plant community of nature-like ecological landscape in North China |
| CN111724271A (en) * | 2020-04-27 | 2020-09-29 | 齐实 | High-salinity and alkalinity area greening plant growing method based on growth nutrition space |
| CN112456650A (en) * | 2020-12-01 | 2021-03-09 | 桂林理工大学 | Constructed wetland system suitable for remaining organic pesticide of karst district agricultural is got rid of |
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| CA2789192A1 (en) * | 2010-02-05 | 2011-08-11 | Lanzhou Jinfule Biotechnology Co., Ltd. | Planting structure and methods |
| CN205662974U (en) * | 2016-06-13 | 2016-10-26 | 山东大学 | Environmental rainwater branch matter collection in hillock district holds system |
| CN205711615U (en) * | 2016-04-14 | 2016-11-23 | 泛亚景观设计（上海）有限公司 | Grass planting trench system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2789192A1 (en) * | 2010-02-05 | 2011-08-11 | Lanzhou Jinfule Biotechnology Co., Ltd. | Planting structure and methods |
| CN205711615U (en) * | 2016-04-14 | 2016-11-23 | 泛亚景观设计（上海）有限公司 | Grass planting trench system |
| CN205662974U (en) * | 2016-06-13 | 2016-10-26 | 山东大学 | Environmental rainwater branch matter collection in hillock district holds system |
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| 草皮水道的设计;G.O.Schwab等;《东北水利水电》;19930531(第107期);第43-44页第3,4节 |
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