CN109565991A - A kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation - Google Patents
A kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation Download PDFInfo
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- CN109565991A CN109565991A CN201811588616.XA CN201811588616A CN109565991A CN 109565991 A CN109565991 A CN 109565991A CN 201811588616 A CN201811588616 A CN 201811588616A CN 109565991 A CN109565991 A CN 109565991A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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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
-
- 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
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
-
- 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
- A01G22/20—Cereals
-
- 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
- A01G22/40—Fabaceae, e.g. beans or peas
Abstract
The present invention relates to the landscape construction methods of ecological sensitive areas farmland ecosystem reparation, the described method comprises the following steps: A, investigation needs landscape to set up soil, water body, the weather in location, determines the ecological characteristic of species；B, according to phytomorph, planting patterns, ecological habit, stability of community, the kind and seed amount proportion of the species set up for landscape are determined；C, landscape is being needed to set up the sowing test that location one piece of vacant lot of selection carries out screening kind, test variable is respectively sowing season, planting soil type, seed particle size, seed thickness of sowing；D, by step C test as a result, than selecting the combination that average emergence rate highest, group are stable and natural, manually to manage and protect pressure small；E, species integrated mode and planting patterns that test obtains are implemented into the actual repair for the farmland ecosystem that periphery needs landscape to set up；F final-period management；Low cost of the present invention, later period lack labor management, Effect of Ecological Restoration it is good, rich in natural aesthetic feeling.
Description
Technical field
The invention belongs to ecological restoration technical field more particularly to a kind of scapes of ecological sensitive areas farmland ecosystem reparation
See construction method.
Background technique
Farmland provides the food supply in the whole world 66%, be between human use's field biological and abiotic environment and
Relationship between field biological population carries out the complex ecosystem of necessary for human food and the production of other agricultural product, is the mankind
The basis of social being and development, have sustain life substance biological global chemical recycle and hydrologic cycle, maintain biological species with
Genetic diversity, soil protection fertility, the ecosystem service functions such as balance and stability for maintaining Atmospheric Chemistry.With society
Development, the surge of population, the mankind are while enjoying farmland output, and because non-continuous development pattern causes farmland to be degenerated.It crosses
It goes in 50 years, the farmland of Century Square 0% is degenerated, and has been caused a series of Environment Ecological Safe problem, has been threatened human society
It develops in a healthy way.Therefore, the important directions that impaired, degeneration farmland ecosystem has become the technological break-through of restoration of the ecosystem field are repaired.
Currently, farmland ecosystem reparation mainly passes through casting, soil moved in improve the original and ploughs deeply, add inhibitor, using microorganism improve soil with
And the measures such as green manuring.But the above measure primarily focuses on simple restoration of the ecosystem, does not comprehensively consider, with playing field biological
Change other service functions such as circulation, and labor management pressure is larger, is difficult to hold to casting depth, reagent dosage etc., cost phase
To higher, secondary destruction may cause.
Currently, China is accelerating to promote Ecological Civilization Construction, ecological red line of going all out to fight the floods.However due to historical reasons,
In ecological sensitive, vulnerable areas, in ecological red line area, nature reserve area, there is also a large amount of farmlands.These farmland extensive style
Development not only result in itself degeneration, the ecological environment on periphery but will be generated and be seriously threatened.Simultaneously as many raw
State sensitizing range has unique living resources and topography and geomorphology, has a biggish landscape value, its own or periphery usually by
Exploitation is tourist attractions.Therefore, the farmland for being related to these regions is repaired, and is not only considered as its repairing effect, cost and manpower and is thrown
Enter, is also considered as its landscape value, and the Farmland Landscape after reparation should be mutually harmonious with surrounding landscape.Such farmland is repaired at present
The demand generally existing as the whole nation, and for farmland in ecological sensitive areas, its damaged ecosystem can be repaired and presented
Harmonious Farmland Landscape after a kind of approximate spontaneous recovery state out, while the Farmland Landscape group that quick, low cost, final management and maintenance are few
Construction method still extremely lacks.
Therefore, these problems are based on, provide it is a kind of quickly, low cost, later period lack labor management, Effect of Ecological Restoration it is good,
Landscape construction method rich in nature aesthetic feeling, so that the agricultural ecological reparation in the regions such as ecological sensitive areas and Scene construction be instructed to have
There is important realistic meaning.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of quick, low costs, later period few artificial pipe
The landscape construction method of good, the rich natural aesthetic feeling of reason, Effect of Ecological Restoration, to instruct the farmland in the regions such as ecological sensitive areas raw
State reparation and Scene construction.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation, the landscape construction method includes following
Step:
A, activety fault
Soil, water body, the weather that investigation needs landscape to set up location contain at least 3 to each sample with choosing several samples
The draft sample prescription of a 1m × 1m investigates species, more degree, cover degree in each draft sample prescription, determines and be used for landscape group
The ecological characteristic of the crops and wild crop built；
Wherein, the cover degree is the ratio between the planimetric area of certain aboveground vegetation part and sample area in draft sample prescription
Percentage；
B, test species are screened
According to phytomorph, planting patterns, ecological habit, stability of community, determine the crops set up for landscape with
The kind and seed amount of wild crop match, and guarantee impaired, degeneration farmland ecosystem repairing effect；
Wherein, stability of community calculating process is as follows:
Defining T is species cover degree and its height sum of products in certain draft sample prescription, it may be assumed that
C in formulaiFor the cover degree of i-th kind of plant in sample prescription, HiFor the height of i-th kind of plant, N is all plants in the sample prescription
Kind number；
The then stability of community S on n-th of sample ground are as follows:
Wherein μnFor the average value of sample prescription T values whole in n-th of sample ground；σnFor the mark of sample prescription T values whole in n-th of sample ground
It is quasi- poor；
C, it tests
C1, it is needing landscape establishment location one piece of vacant lot of selection that several pieces of test plots of the same area are set, is carrying out
The sowing test of kind is screened, test variable is respectively sowing season, planting soil type, seed particle size, seed thickness of sowing；Institute
Stating sowing season includes summer and winter, and planting soil type includes covering sand surface soil, test plot surface soil, test plot subsoil three
Kind, seed particle size includes large-scale seed, medium-sized seed and Minitype seed, seed thickness of sowing include high thickness of sowing, in
Etc. thicknesss of sowing, low thickness of sowing；
C2, different-grain diameter seed be seeded into several pieces of test plots with different thicknesss of sowing respectively, and same particle size
And the planting soil type of the test plot of identical thickness of sowing is respectively to cover sand surface soil, test plot surface soil, test plot bottom
Soil；
C3, it is sowed according to the type of seeding of C2 in summer and winter；
D, test result analysis
By step C test as a result, than select average emergence rate highest, group it is stable and naturally, manually manage and protect pressure
Small sowing season, planting soil type, seed particle size, the combination of seed thickness of sowing；
E, farmland is sowed
Species integrated mode and planting patterns that test obtains are implemented into the agro-ecosystem that periphery needs landscape to set up
In the actual repair of system；
F final-period management
The species that the emergence occurred in repair process is emerged less or not are removed or are replaced.
Further, in the step C1 test plot setting principle are as follows: it is every there are a kind of subtype of soil type i.e. set
With setting the test plot sample of at least 18 pieces 3m × 2m sizes.
Further, all test plots in the step C all apply the slug ball containing metal aldehyde, to reduce slug
The influence of predation, and all test plots carry out weeding processing, to eliminate the weed seed in soil to the shadow of test result
It rings.
Further, seed particle size classification method in the step C1 are as follows: by the seed particle size filtered out by numerical value by small
To successively simultaneously logarithm carries out tertile for arrangement greatly, the one or three digit and the two or three digit, large size are obtained by numerical value is ascending
Seed is the seed that partial size is more than or equal to the second tertile, medium-sized seed be partial size the one or three digit and the two or three digit it
Between seed, Minitype seed be partial size be less than or equal to the first tertile seed.
Further, in the step C, high thickness of sowing refers to that thickness of sowing is more than or equal to 2.5g/ ㎡ and is sowed；
Medium thickness of sowing refers to be halved on the basis of high thickness of sowing；Low thickness of sowing is in finger on the basis of medium thickness of sowing
Halve.
Further, it in the step C, is sowed in August part to Summer-sowing sample, seed is mixed with moist sand in advance
It closes, and is refrigerated 35 days in 4 DEG C of refrigerator, seed is mixed with sand and is sowed；Winter is with sowing sample December
Part sowing, seed used is without refrigerating and drying.
Further, it in the step C, in Summer-sowing, is applied again in after planting 2 months every 3 week
Slug ball.
Further, in the step C, planting soil type be first remove the topsoil of 50mm thickness when covering sand surface soil, then
It is covered in test plot with coarse sand, and ensures that final surface is flushed with the soil of surrounding；Planting soil type is test sample
When ground subsoil, topsoil is excavated at least 250mm depth, and excavate the subsoil of at least 50mm height, and topsoil is covered
In foundation pit, finally by the subsoil excavated insert foundation pit in so that sample flushed with surrounding intersecting roads surface.
The advantages and positive effects of the present invention are:
1, the present invention is to repair impaired, degeneration farmland ecosystem and performance farmland ecosystem biology global chemical recycle etc.
Other service functions are target, emphasize the integrated application of restoration of the ecosystem and landscape design, and it is special to solve farmland in ecological sensitive areas
It is not that waste problem should be repaired and cannot be put to basic farmland, the needs of new era China's agricultural sustainable development can be met；
2, the present invention repairs farmland ecosystem, further develops from the ecological angle combined with landscape and complete
It has been apt to impaired, degeneration farmland ecosystem reparation theory and method, has laid the foundation for relevant technical research from now on；
3, the landscape building technology application range of farmland ecosystem reparation of the invention can cover China substantially
Area, radiation exemplary role is clearly.
Detailed description of the invention
Technical solution of the present invention is described in further detail below with reference to drawings and examples, but should
Know, these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
The method and step figure of farmland ecosystem reparation Fig. 1 of the invention；
The test plot schematic diagram of Fig. 2 embodiment of the present invention；
The increment of Fig. 3 embodiment of the present invention ground enlarged diagram；
The desired effect figure of Fig. 4 embodiment of the present invention.
Specific embodiment
Firstly, it is necessary to which explanation, illustrates specific structure of the invention, feature and excellent for by way of example below
Point etc., however what all descriptions were intended merely to be illustrated, and should not be construed as to present invention formation any restrictions.This
Outside, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, still can be in these technologies spy
Continue any combination between sign (or its equivalent) or delete, to obtain this hair that may do not referred to directly herein
Bright more other embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment
Intrinsic other step or units.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The present invention just is illustrated in conjunction with Fig. 1 to Fig. 4 below.
Embodiment 1
With reference to the accompanying drawing, to agro-ecosystem of the invention by taking Tianjin Ninghe area Qilihai wetland periphery farmland as an example
The landscape construction method that system is repaired is described further.It is as shown in Figure 1 the landscape of the farmland ecosystem reparation in the region
Construction method, the specific steps are as follows:
Step 1: activety fault:
By the research reported the Qilihai wetland periphery farmland correlation scientific investigation of Tianjin Ninghe area, landscape location is understood
The status and feature of the natural causes such as soil, water system, weather, finding the landscape location soil, there is only a kind of Asias of saline moist soil
Class Type investigates existing crops and periphery wild crop and accompanying plant, and (ground ecology is quick with investigating 44 samples altogether
Sensillary area farmland ecosystem is practical, and to need repaired area be 43.34 square kilometres, and every 1 square kilometre is with being at least arranged 1 sample), often
The draft subquadrat for containing to a sample 3 1m × 1m records the draft kind name and its height, more degree, cover degree (certain plantation of each sample prescription
Object accounts for the percentage of sample area), calculating stability of community, (to reduce harvesting amount, the stability of community that the present invention uses is sample
The ratio of average value and its standard deviation after each sample prescription whole species cover degree and height product sum it up in ground)；Obtained crops
It include: corn with wild crop type, sorghum, sesame, capsicum, soybean, hyacinth bean, mung bean, pea, winter wheat, spring wheat, red small
Beans, Wild soybean, brooklet astilbe root or herb, white dead nettle, wild avena sativa.
Wherein, stability of community calculation method process is as follows:
Defining T is species cover degree and its height sum of products in certain sample prescription, it may be assumed that
C in formulaiFor the cover degree of i-th kind of plant in sample prescription, HiFor the height of i-th kind of plant, N is all plants in the sample prescription
Kind number；
The then stability of community S on n-th of sample ground are as follows:
Wherein μnFor the average value of sample prescription T values whole in n-th of sample ground；σnFor the mark of sample prescription T values whole in n-th of sample ground
It is quasi- poor.
Step 2: test species are screened:
According to the crops and periphery wild crop kind determined in previous step, in conjunction with looking into for scientific investigation data and document
It looks for, selectes the crops that next tested and wild crop kind is the main object on the highest sample ground of stability of community
Kind, also, in the selection of crops and wild crop kind, as far as possible by high and low, form that level is abundant, each level agriculture
Therefore the farmland ecosystem with rock-steady structure that crop interpenetrates selectes corn, sorghum, sesame, Wild soybean, wild height
Beam is the species of screening, and combines documents and materials and traditional nixed planting, determines that its planting proportion is 2:4:6:9:3, needs
Bright, planting proportion is seed amount ratio.
Step 3: test:
Establish the test plot of 18 pieces of 3m × 2m in Tianjin Ninghe area Qilihai wetland periphery farmland ecosystem, 6
× 3 matrix arrangement, every piece of test plot are separated by the right-angled intersection road of 300mm wide, test plot size and arrangement form
As shown in Figure 2；With being divided into three increments of 1m × 2m by every piece of test plot, as shown in figure 3, before sowing, in all test samples
In ground, weeding and application slug ball processing are carried out, to reduce the influence of weed growth and mollusk predation to test result.
In all 18 pieces of test plots, 9 pieces of test plots are sowed in summer, remaining 9 pieces of test plot is in winter
It is sowed；To be sowed in August part to summer sample, seed is mixed with wet sand in advance, and is refrigerated 35 days in 4 DEG C of refrigerator,
For the ease of sowing, the seed in each increment ground is mixed with sand and is sowed, it, need to be at increment destination edge
Row is carefully sowed, and tamps ground.Meanwhile to reduce mollusk predation to the shadow of seedling stage emergence and farmland ecosystem reparation
It rings, applies a slug ball again every about 3 week in after planting 2 months；Sowed December to winter sample,
For seed used without refrigerating and drying, type of seeding used and aestival aspect are same.
Respectively in winter, summer sowing division, every three sample ground surfaces are laid with the soil of same material, including covering 50mm thickness is slightly
The surface soil of sand, test plot surface soil, three kinds of test plot subsoil, as shown in Figure 2；In the sample ground covered with coarse sand, in spreading
The topsoil that 50mm thickness is first removed before coarse sand, is flushed with the surface for ensuring final with the soil of surrounding；In the sample of covering subsoil
On the ground, topsoil is excavated to 250mm depth, excavates the subsoil of at least 50mm height, and using topsoil as one layer, covered
In foundation pit, finally by the subsoil excavated insert foundation pit in so that sample flushed with surrounding intersecting roads surface.
The crops screened in step 2 and wild crop seed are divided into three classes by the tertile of partial size respectively,
Large-scale seed, medium-sized seed and Minitype seed, specific classification method respectively are as follows: by the seed particle size filtered out by numerical value by
Small to big successively arrangement, simultaneously logarithm carries out tertile, obtains the one or three digit and the two or three digit by numerical value is ascending, greatly
Type seed is the seed that partial size is more than or equal to the second tertile, and medium-sized seed is partial size in the one or three digit and the two or three digit
Between seed, Minitype seed be partial size be less than or equal to the first tertile seed and mixed；These seeds are distinguished
With the sowing of basic, normal, high three kinds of thicknesss of sowing in increment ground, to realize that the application rate of different model seed is close in medium sowing
Degree is lower compared to halving under high density, halves again under low density, respectively 2.5g/ ㎡, 1.25g/ ㎡, 0.625g/ ㎡.Its
In, the increment of different thicknesss of sowing in each sample ground by west to east successively according to basic, normal, high distribution, as shown in Figure 3.
Step 4: test result analysis
By above-mentioned test result, than selecting sowing season be summer, soil types is surface soil, partial size is medium-sized, sowing
Density is the average emergence rate highest of the combination of medium thickness of sowing, and group is stable, naturally, manually to manage and protect pressure small；
Step 5: popularization and application and final-period management
The landscape formation mode and planting patterns that test is obtained are raw in Tianjin Ninghe area Qilihai wetland periphery farmland
It is promoted and applied in state system actual repair, the species pessimistic to emergence rate situation in practical application are suitably removed or replaced
It changes, to ensure the ecology and landscape effect of this method.
By the landscape construction method of application farmland ecosystem reparation of the invention, so that:
1) bio-diversity of original farmland ecosystem is improved
The purpose that the landscape of farmland ecosystem reparation of the invention is set up is to repair original impaired, degeneration agricultural ecological
While system, the species diversity in the ecosystem is improved, provides diversification for biology, insect and other microorganisms etc.
Habitat so that original impaired, in degeneration farmland ecosystem biological chain is able to repair and further perfect.
2) enhance the stability of original farmland ecosystem
In the selection of crops and wild crop kind, selection is by high and low, to form that level is abundant, each level agriculture
The farmland ecosystem with rock-steady structure that crop interpenetrates can give full play to farmland ecosystem biology global chemical recycle etc.
Service function.
3) aesthetics of farmland ecosystem region environment is enriched
In view of original farmland ecosystem is single with crop planting type in wide area, composed structure is relatively simple
The deficiencies of list only considers yield, has ignored the Four seasons change of Farmland Landscape, the landscape group of farmland ecosystem reparation of the invention
Changeable, natural harmony the Farmland Landscape by the single farmland improvement horn of plenty of original hierarchical structure is built, while also to surrounding area
Environment generate benign radiation, improve Regional Landscape value.
Landscape construction method of the invention, in the case where impaired, degeneration farmland ecosystem obtains reparation, to greatest extent
Ground shows other service functions such as biological global chemical recycle of farmland ecosystem, and theory is applied to practice.
Above embodiments describe the invention in detail, but content is only the preferred embodiment of the present invention, no
It can be believed to be used to limit the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still fall within the scope of the patent of the present invention.
Claims (8)
1. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation, it is characterised in that: the landscape establishment side
Method the following steps are included:
A, activety fault
Investigation needs landscape to set up soil, water body, the weather in location, with choosing several samples, each sample ground 1m containing at least three
The draft sample prescription of × 1m is investigated species, more degree, cover degree in each draft sample prescription, is determined for landscape establishment
The ecological characteristic of crops and wild crop；
Wherein, the cover degree be draft sample prescription in certain aboveground vegetation part planimetric area and the ratio between sample area hundred
Score；
B, test species are screened
According to phytomorph, planting patterns, ecological habit, stability of community, determine the crops set up for landscape with it is wild
The kind and seed amount of crop match, and guarantee impaired, degeneration farmland ecosystem repairing effect；
Wherein, stability of community calculating process is as follows:
Defining T is species cover degree and its height sum of products in certain draft sample prescription, it may be assumed that
C in formulaiFor the cover degree of i-th kind of plant in sample prescription, HiFor the height of i-th kind of plant, N is the kind of all plants in the sample prescription
Number；
The then stability of community S on n-th of sample ground are as follows:
Wherein μnFor the average value of sample prescription T values whole in n-th of sample ground；σnFor the standard deviation of sample prescription T values whole in n-th of sample ground；
C, it tests
C1, it is needing landscape establishment location one piece of vacant lot of selection that several pieces of test plots of the same area are set, is being screened
The sowing test of kind, test variable is respectively sowing season, planting soil type, seed particle size, seed thickness of sowing；It is described to broadcast
Kind season includes summer and winter, and planting soil type includes covering sand surface soil, test plot surface soil, three kinds of test plot subsoil,
Seed particle size includes large-scale seed, medium-sized seed and Minitype seed, and seed thickness of sowing includes high thickness of sowing, medium broadcasts
Kind density, low thickness of sowing；
C2, different-grain diameter seed be seeded into several pieces of test plots with different thicknesss of sowing respectively, and same particle size and phase
Planting soil type with the test plot of thickness of sowing is respectively to cover sand surface soil, test plot surface soil, test plot subsoil；
C3, it is sowed according to the type of seeding of C2 in summer and winter；
D, test result analysis
By step C test as a result, average emergence rate highest, group are stable and natural, manually to manage and protect pressure small than selecting
Sowing season, planting soil type, seed particle size, the combination of seed thickness of sowing；
E, farmland is sowed
Species integrated mode and planting patterns that test obtains are implemented into the farmland ecosystem that periphery needs landscape to set up
In actual repair；
F final-period management
The species that the emergence occurred in repair process is emerged less or not are removed or are replaced.
2. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation according to claim 1, feature
It is: the setting principle of test plot in the step C1 are as follows: every there are a kind of subtype of soil types, and at least 18 pieces of 3m are arranged
The test plot of × 2m size.
3. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation according to claim 1, feature
Be: all test plots in the step C all apply the slug ball containing metal aldehyde, to reduce the influence of slug predation,
And all test plots carry out weeding processing, to eliminate influence of the weed seed in soil to test result.
4. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation according to claim 1, feature
It is: seed particle size classification method in the step C1 are as follows: the seed particle size filtered out is successively arranged by numerical value is ascending
And logarithm carries out tertile, obtains the one or three digit and the two or three digit by numerical value is ascending, large-scale seed is that partial size is big
In the seed for being equal to the second tertile, medium-sized seed is seed of the partial size between the one or three digit and the two or three digit, small
Type seed is the seed that partial size is less than or equal to the first tertile.
5. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation according to claim 1, feature
Be: in the step C, high thickness of sowing refers to that thickness of sowing is more than or equal to 2.5g/ ㎡ and is sowed；Medium thickness of sowing
Refer to and halves on the basis of high thickness of sowing；Low thickness of sowing halves on the basis of referring in medium thickness of sowing.
6. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation according to claim 1, feature
It is: in the step C, is sowed in August part to Summer-sowing sample, seed is mixed with moist sand in advance, and in 4 DEG C of ice
It is refrigerated 35 days in case, seed is mixed with sand and is sowed；Winter is sowed with sowing sample December, seed used
Without refrigerating and drying.
7. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation according to claim 1, feature
It is: in the step C, in Summer-sowing, every applying a slug ball 3 week again in after planting 2 months.
8. a kind of landscape construction method of ecological sensitive areas farmland ecosystem reparation according to claim 1, feature
Be: in the step C, planting soil type is when covering sand surface soil, first to remove the topsoil of 50mm thickness, then be covered on coarse sand
In test plot, and ensure that final surface is flushed with the soil of surrounding；When planting soil type is test plot subsoil, by table
Layer soil is excavated at least 250mm depth, and excavates the subsoil of at least 50mm height, and topsoil is covered in foundation pit, finally
By the subsoil excavated insert foundation pit in so that sample flushed with surrounding intersecting roads surface.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740511A (en) * | 2021-09-06 | 2021-12-03 | 宁波大学 | Method for obtaining soil animal activity biosensor for farmland soil health diagnosis |
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| CN117415158B (en) * | 2023-11-20 | 2024-03-26 | 兰州大学 | Temporary land restoration method based on community stability |
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