CN109831955A - A kind of solid indigenous method and terraced fields ecological slope protection structure of terraced fields - Google Patents
A kind of solid indigenous method and terraced fields ecological slope protection structure of terraced fields Download PDFInfo
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- CN109831955A CN109831955A CN201910284848.4A CN201910284848A CN109831955A CN 109831955 A CN109831955 A CN 109831955A CN 201910284848 A CN201910284848 A CN 201910284848A CN 109831955 A CN109831955 A CN 109831955A
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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
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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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
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Abstract
The present invention relates to agricultural technical fields, provide a kind of solid indigenous method of terraced fields, comprising: the planting site M.-dodecandrum in the face of terraced fields field；The herbaceous plant of well developed root system is planted on terraced fields field bund；After herbal growth is the thick grass more than 30cm height, biological breadcrust is inoculated in terraced wall surface.A kind of terraced fields ecological slope protection structure is obtained after consolidating soil using the solid indigenous method of above-mentioned terraced fields, soil erosion is less prone to by the terraced fields after the above-mentioned solid solid soil of indigenous method, it is good to the protection effect of terraced wall, field face and field bund, and it is suitable for fruit forest zones terraced fields, it is good in economic efficiency.
Description
Technical field
The present invention relates to agricultural technical fields, in particular to the solid indigenous method and terraced fields ecological slope protection of a kind of terraced fields
Structure.
Background technique
Currently, southern hilly area fruit forest zones are one of major measure of regional agro-economic development and vast farmers
The important channel that the masses build up the family fortunes, it is that southern hilly area water and soil is protected that wherein hillside fields reconstruction, which is narrow terraced fields (reversed terrace),
Hold one of major technique.Since land occupation condition limits, regional population is dense in addition, people it is particularly thorny, terraced fields field face width is remote
Less than arid and semi-arid lands, China, and in order to increase field face width, the outer side slope/ladder wall comparable steepness of terraced fields.Terraced wall side
Slope is exposed more one of the region of region fruit forest zones field table, and general new terracing field face vegetation is rare in addition, and earth's surface is exposed
Also more serious, if not taking any measure that will will cause serious soil losses.But by land occupation condition and economic constraints,
Partial region ladder wall revegetation is difficult, exacerbates terraced fields ladder wall side slope water erosion, increases the active degree of mass erosion.
In consideration of it, special propose the application.
Summary of the invention
The present invention provides a kind of solid indigenous methods of terraced fields, it is intended to improve southern region of China terraced fields there are soil erosion,
The problem of lacking effective management measure.
The present invention also provides a kind of terraced fields ecological slope protection structure, which is suitable for fruit forest zones garden,
Its high financial profit.
The present invention is implemented as follows:
A kind of solid indigenous method of terraced fields, comprising:
The planting site M.-dodecandrum in the face of terraced fields field；
The herbaceous plant that well developed root system is planted on terraced fields field bund, when herbal growth is the high grass more than 30cm height
Cong Hou is inoculated with biological breadcrust in terraced wall surface.
A kind of terraced fields ecological slope protection structure obtains after consolidating soil using the solid indigenous method of above-mentioned terraced fields.
The beneficial effects of the present invention are: the solid indigenous method for the terraced fields that the present invention obtains by above-mentioned design, in the method
After renovating terraced fields, so that terraced fields form field face planting site M.-dodecandrum+field bund plantation herbaceous plant+ladder wall plantation biological breadcrust from top to bottom
Ecological slope protection structure, the ecomodel of complete covering terraced fields can be formed.Field face planting site M.-dodecandrum can be effectively controlled weed invasion with
And improving weather, field bund grass planting can provide good growing environment for biological breadcrust, the biology finally developed naturally using orchard
Skinning carries out Artificial Intervention, and creates various suitable habitats conditions and promote its growth, to accelerate new reclamation of wasteland terraced fields ladder wall side slope
The ground mulching of skinning promotes terraced wall natural vegetation restoration, terraced wall is protected and afforested to reach reduction soil erosion
Purpose.Adjustable runoff imports ring ditch under terraced wall simultaneously, enhances infiltrating for precipitation, effectively reduces due under precipitation effect
The mass erosion of generation is reduced and is broken to terraced fields structure if field bund washes away, terraced wall is rushed down to slip and be deposited with channel caused by slump
It is bad.
The terraced fields ecological slope protection structure that the present invention obtains by above-mentioned design, due to using solid indigenous method provided by the invention
Building is arranged, therefore the terraced fields ecological slope protection structure is suitable as fruit forest zones garden, it is good in economic efficiency when as fruit forest zones garden.
Detailed description of the invention
It, below will be to needed in experimental example in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing is briefly described.
Fig. 1 is the experiment schematic diagram that terraced fields soil erosion modulus is measured in experimental example of the present invention.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
A kind of solid indigenous method of terraced fields is provided to the embodiment of the present invention below and terraced fields ecological slope protection structure carries out specifically
It is bright.
A kind of solid indigenous method of terraced fields, comprising:
S1, the planting site M.-dodecandrum in the face of terraced fields field.
Herba melastomatis dodecandri is distributed widely in southern region of China, be often born in acid soil hillside roadside, bottom grass clump in and hayashishita.Its
Blade is dense, and patch is thrown oneself on the ground table, and smooth, fine and close ground storey can be formed, and adaptable, the speed of growth is fast, it is drought-enduring it is resistance to it is lean, resistance to shade is resistance to
It tramples on.Herba melastomatis dodecandri lies substantially in wild state at present, but its adaptability is stronger, and cultivation management is easier, point suitable for mountain area
Plantation operation is dissipated, it can be with commerial growing and exploitation in the mountain area that condition is suitable for.It is particularly suitable for making slope protection and water and soil conservation first
Plant, in orchard, greening, beautification, water and soil conservation, controlling weeds etc. have wide application prospects.Next, which is also helped, increases peasant's receipts
Enter, promote the development of flowers, food and medicine cause, the economic value in conjunction with fruit forest zones is the local approach got rich.
7~September is broadcasted sowing to cultivation field, Shi Shaoliang organic fertilizer immediately behind field locality M.-dodecandrum seed.Fine earth is covered after broadcasting
About 2cm covers sunshade net, sprinkles profoundly water.It pours a water within after planting every 3~4 days, balled transplanting can be started within 3 months or so.In morning
The transplanting of spring rain Ji Houke cutting propagation, takes the stem section of tool 2~3 sections to make cuttings, is dipped in 20s or so in root-growing agent, then
It inserts in the soil of terraced fields field face, is planted by 30cm × 30cm specification.It takes root after about 2 weeks, survival rate is 40% or so, and transplanting is turned green
A nitrogenous fertilizer, phosphate fertilizer and potash fertilizer are imposed in 3 months afterwards, by N, P2O5、K2The O amount of applying respectively may be about 45g/m2、30g/m2And 25g/
m2(speed of growth is very fast at this time).Without too many management after transplant survival, early period, can shape after 8 months it is noted that remove weeds
At the ground storey of neat densification.
S2, the herbaceous plant that well developed root system is planted on terraced fields field bund.
Specifically, in a preferred embodiment of the invention, selected herbaceous plant is that southern area is common and vitality
More vigorous Paspalum wettsteinii.
Field bund plants Paspalum wettsteinii above terraced fields ladder wall, and seeding method is uniform broadcasting, sowing quantity about 2.3~2.7g/
m2, field bund turned over into deep 15cm or so before sowing, can not earthing, while organic fertilizer (1kg/m2Wet pig manure) and stalk (wheat or corn
Stalk, about 10cm long, 0.5~1kg/m2) with applying, growth period also needs watering top dressing.Plant height is up to 30cm or more, shape after 3 months
At shallow-layer grass layer, grass layer need to be cradled at this time, cradle rear Nitrogen Top Dressing (20g/m every time2Urea), cause can be formed after six months
Close grass layer.
The herbaceous plant that well developed root system is planted on terraced fields field bund, can be goed deep into field bund soil using herbal
Feature can play good fixation, and root system is also able to guide rainwater and quickly penetrates into field bund deep soil, avoids
Rain drop erosion is set to the biological breadcrust growth base of terraced wall surface, causes the formation of biological breadcrust growth substrate surface runoff,
Wash away biological breadcrust growth base.
When herbal growth be it is high more than 30cm when thick grass after, in terraced wall surface inoculation biological breadcrust.
S3, after herbal growth is thick grass more than 30cm height, be inoculated with biological breadcrust in terraced wall surface.
Biological Soil Crusts (biological breadcrust) refer to by be grown in soil surface and its algae below, moss, lichens and
The complex composite soil layer that the small biotic component of the individual such as bacterium, fungi and soil interaction are formed.Meanwhile biological breadcrust is
A kind of instruction that soil does not pollute, on having contaminated soil, biological breadcrust is cannot be existing.
In S2 step, plant height forms shallow-layer grass layer, can carry out biological species skin at this time up to 30cm or more after 3 months
Inoculation.Specifically:
Biological breadcrust raw material needed for acquiring carefully are shoveled in the well-grown biological breadcrust of field acquisition using small scoop
The biological breadcrust for taking surface layer about 10~20mm thickness dries in the shade the sample of acquisition is disposed within, later by itself and impurity and soil
Separation, is crushed using plant pulverizer, and one piece of bare area is chosen near terraced fields, takes 0~10cm soil layer soil, room-dry
1mm sieve is crossed afterwards, obtains fine earth.Take NPK mixed fertilizer, soil binder and crops stalk powder spare.N P and K mixing
Fertilizer can be the nitrogen-phosphorus-potassium compound fertilizer directly bought from market, is also possible to the ratio between urea, threeflod calcium superphosphate fertilizer and potassium chloride and is
The compound fertilizer that 1.3~1.6:1.3~1.6:1 is mixed to get.
Dry biological breadcrust powder, fine earth and NPK mixed fertilizer, polyacrylamide agent and crops stalk powder are pressed
30~50:30 of mass ratio~50:3.5~4.5:1:4.5~5.5 are mixed to get biological breadcrust pug.By biological breadcrust pug with
Water is mixed to get biological breadcrust mud with mass ratio 1:1.7~2.2.
Terraced wall with inoculation biological breadcrust is modified, weeds, dry branches and fallen leaves and the bulk gravel on terraced wall are removed
Deng by the equating as far as possible of terraced wall and being compacted.
Biological breadcrust mud is poured into hydroseeder hopper, hydroseeder is adjustable hydraulic sprinkle device, and power is by bavin
Oil turbine provides, by hydraulic device by slurry transportation to spray head, using high pressure by adherence of mud fluid on terraced wall, answered when sowing grass seeds by duster
Rate of sowing grass seeds by duster is controlled, equably mud is sprayed on terraced wall from top to bottom, for the growing state for guaranteeing subsequent bio skinning
Preferably, fountain height is 1.5~2kg/m2, thickness is about 2mm.Biological breadcrust growth base is obtained after sowing grass seeds by duster, it is raw in biological breadcrust
One layer of hay is covered in long base, prevents biological breadcrust from hitting survival rate due to splashing because of solar exposure and rainfall and reducing.
Polyacrylamide plays the role of being after increase biological breadcrust pug adds water to form mud as soil binder
Viscosity.Crops stalk powder is preferably fibre structure wheat culm powder abundant or corn stem powder.Add crops stalk powder
Effect one is improve biological breadcrust growth base adhesive strength, the second is the growth for biological breadcrust provides nutrient.
After sprinkling in 8~12 days, water to biological breadcrust growth base before 10 points of the morning and after at 5 points in afternoon, spray
After spilling 8~12 days, second stage watering is carried out, watering in every 3~4 days is primary, and the watering period is 52~60 days.Preferably, in order to
It avoids washing out biological breadcrust growth base when watering, watering is carried out by the way of atomization.Irrigation amount is about to soak whole lifes
Subject to object skinning surfaces.
First stage watering after the completion of, carry out top dressing, top dressing be by urea, threeflod calcium superphosphate fertilizer and potassium chloride it is soluble in water to
Biological breadcrust grows base's sprinkling, and the amount of applying is 10~18g/m2Urea, 10~15g/m2Threeflod calcium superphosphate fertilizer and 8~12g/m2's
Potassium chloride.In view of rainfall is larger in region, stop watering during rainfall, at 2 months later, watering in every 3~4 days was primary, and 2
It can stop watering after a month or so, while hay covering can be removed.Water pipe wants external atomizer when watering, avoids directly washing away
Terraced wall causes to form runoff on terraced wall and damage terraced wall.
The variation of results of regular determination biological breadcrust cover degree after sowing grass seeds by duster, cover degree: using point needle-like frame method measurement, grid specification used
For 3cm × 3cm.
Its plant of herba melastomatis dodecandri is short, typically not greater than 10cm, without trimming, does not interfere with the growth of fruit forest zones, also has
Water and soil conservation improves field miniclimate (reduce, stablize surface temperature, promoting soil moisture content), is biological weed control, high ornamental
The features such as value and medical, edible are worth.Additionally, due to the advantage and close coverage of herba melastomatis dodecandri biologically, herba melastomatis dodecandri is once
After covering earth's surface, weeds come in regard to extremely difficult intrusion, avoid application chemical herbicide and artificial weeding, and saving of labor is efficient, can be formed " with
The ecomodel of careless weeding " can help to establish ecological organic orchard.
Terraced fields manhole ladder wall slope protection measures are mainly based on terraced wall grass planting measure at present, but most grass planting ladder wall gradients compared with
It is slow, and the region manhole ladder wall gradient is steeper, artificial grass planting cost is big, is difficult to survive in the larger terraced wall of the gradient, and region manhole ladder at present
Herbaceous plant on wall is largely nature growth of weeds, is easy invasion tread, influences the growth of crop in fruit forest zones.This method
Using the biological breadcrust of growth and development natural in region as provenance, transplanted in terraced wall slope surface it is simple, to slope surface on the spot growth conditions
Of less demanding, adaptable, the speed of growth is fast, and management service is simply easy, easy to spread, especially for site preparation initial stage field
Exposed terraced wall side slope protection effect it is obvious.
The biological breadcrust coverage that this method is formed in terraced wall side slope is high, and afforestation effect is good, once formed on terraced wall compared with
Complete covering, can effectively improve soil physico-chemical property, promote soil moisture content, enrich soil bio-characteristics, can promote draft
The natural growth of plant is subsequent " biological breadcrust " to " biological breadcrust+grass ", and the governance model of " biological breadcrust+grass+filling " is benign
Succession provides condition, and the control erosion effect that this mode is finally reached can be suitable with the artificial grass planting of terraced wall.
The solid indigenous method of terraced fields provided by the invention can be constructed in the terraced fields that kind is implanted with fruit forest zones.It certainly can also
To construct the plantation of laggard fruit crop of passing through, if solid geotechnique makees to complete laggard fruit crop-planting of passing through, need in planting site M.-dodecandrum
When reserved crop-planting space so as to through fruit crop normal growth.
A kind of solid indigenous method of terraced fields provided by the invention is specifically described below in conjunction with specific embodiment.
The implementation area of the embodiment of the present invention is are as follows: in the township Ningdu County Gu Hou, Ganzhou City, the Jiangxi Province village little YangMin navel orange garden
(26 ° of 17 ' N, 116 ° of 05 ' E) belongs to subtropical zone monsoon mild climate, annual rainfall 1400mm or so.The selected terraced wall of test is finishing
It is formed when terraced fields navel orange garden, field face, field bund and the terraced wall overwhelming majority are naked state, and terraced wall portion subregion is with weeds.It chooses
Terraced wall test area mean height be about 3.2m, be about 20m, mean inclination is about 50 °.
Embodiment 1
Present embodiments provide a kind of solid indigenous method of terraced fields, comprising:
April current year plants Paspalum wettsteinii on terraced fields field bund.Seed dosage is 2.5g/m2, remaining is according to S2 step above
In concrete operations carry out plantation cultivation.
3 months progress biological species bark graft kinds after under Paspalum wettsteinii kind.Biological species bark graft kind concrete operations are as follows:
In the well-grown biological breadcrust of field acquisition, the biology knot for taking 10~20mm of surface layer thick is carefully shoveled using small scoop
Skin dries in the shade the sample of acquisition as interior, later separates it with impurity and soil, using plant pulverizer by its powder
It is broken, one piece of bare area is chosen near terraced fields, takes 0~10cm soil layer soil, 1mm sieve is crossed after room-dry, obtains fine earth.Take nitrogen phosphorus
Potassium mixed fertilizer, polyacrylamide and corn stalk powder are spare.Wherein NPK mixed fertilizer be urea, threeflod calcium superphosphate fertilizer and
The ratio between potassium chloride is the compound fertilizer that 1.5:1.5:1 is mixed to get.
Dry biological breadcrust powder, fine earth and NPK mixed fertilizer, polyacrylamide and corn stalk powder are pressed into quality
Biological breadcrust pug is mixed to get than 40:40:4:1:5.Biological breadcrust pug and water are mixed to get biological knot with mass ratio 1:2
Skin mud.It is operated according to the content recorded in specific embodiment S3 step, pug fountain height is 1.5kg/m2, thickness is about
For 2mm.
After sprinkling in 10 days, water to biological breadcrust growth base before 10 points of the morning and after at 5 points in afternoon, sprinkling 10
After it, second stage watering is carried out, watering in every 4 days is primary, and the watering period is 60 days.
Top dressing, nitrogen, phosphorus, potash fertilizer are carried out by the content recorded in specific embodiment S3 step after the completion of first stage watering
The amount of applying is 15g/m2Urea, 10g/m2Threeflod calcium superphosphate fertilizer and 12g/m2。
The variation of results of regular determination biological breadcrust cover degree after biological breadcrust mud jetting, cover degree: being measured using point needle-like frame method,
Grid specification used is 3cm × 3cm.Viridescent can be observed rapidly in biological breadcrust inoculation growth in the present embodiment after 1 month
Color spot shape biological breadcrust, but coverage only 10%.Biological breadcrust is grown it is obvious that coverage when stopping watering after 2 months
Up to 30%.It can grow naturally later, coverage is up to 70% or so after 5 months.
July current year in field locality M.-dodecandrum seed, according to concrete operation method planting site M.-dodecandrum in S1 step above.8 months
Herba melastomatis dodecandri grows up to afterwards.
Embodiment 2
Present embodiments provide a kind of solid indigenous method of terraced fields, comprising:
April current year plants Paspalum wettsteinii on terraced fields field bund.Seed dosage is 2.7g/m2, remaining is according to S2 step above
In concrete operations carry out plantation cultivation.
3 months progress biological species bark graft kinds after under Paspalum wettsteinii kind.Biological species bark graft kind concrete operations are as follows:
In the well-grown biological breadcrust of field acquisition, the biology knot for taking 10~20mm of surface layer thick is carefully shoveled using small scoop
Skin dries in the shade the sample of acquisition as interior, later separates it with impurity and soil, using plant pulverizer by its powder
It is broken, one piece of bare area is chosen near terraced fields, takes 0~10cm soil layer soil, 1mm sieve is crossed after room-dry, obtains fine earth.Take nitrogen phosphorus
Potassium mixed fertilizer, polyacrylamide and corn stalk powder are spare.Wherein NPK mixed fertilizer be urea, threeflod calcium superphosphate fertilizer and
The ratio between potassium chloride is the compound fertilizer that 1.3:1.3:1 is mixed to get.
Dry biological breadcrust powder, fine earth and NPK mixed fertilizer, polyacrylamide and corn stalk powder are pressed into quality
Biological breadcrust pug is mixed to get than 30:50:3.5:1:4.5.Biological breadcrust pug and water are mixed to get life with mass ratio 1:2
Object skinning mud.It is operated according to the content recorded in specific embodiment S3 step, pug fountain height is 2kg/m2, thickness
About 2mm.
After sprinkling in 10 days, water to biological breadcrust growth base before 10 points of the morning and after at 5 points in afternoon, sprinkling 9
After it, second stage watering is carried out, watering in every 4 days is primary, and the watering period is 52 days.
Top dressing, nitrogen, phosphorus, potash fertilizer are carried out by the content recorded in specific embodiment S3 step after the completion of first stage watering
The amount of applying is 10g/m2Urea, 15g/m2Threeflod calcium superphosphate fertilizer and 8g/m2。
The variation of results of regular determination biological breadcrust cover degree after biological breadcrust mud jetting, cover degree: being measured using point needle-like frame method,
Grid specification used is 3cm × 3cm.Viridescent can be observed rapidly in biological breadcrust inoculation growth in the present embodiment after 1 month
Color spot shape biological breadcrust, but coverage only 10%.Biological breadcrust is grown it is obvious that coverage when stopping watering after 2 months
Up to 30%.It can grow naturally later, coverage is up to 70% or so after 5 months.
Current year August is in field locality M.-dodecandrum seed, according to concrete operation method planting site M.-dodecandrum in S1 step above.8 months
Herba melastomatis dodecandri grows up to afterwards.
Embodiment 3
Present embodiments provide a kind of solid indigenous method of terraced fields, comprising:
May current year plants Paspalum wettsteinii on terraced fields field bund.Seed dosage is 2.3g/m2, remaining is according to S2 step above
In concrete operations carry out plantation cultivation.
3 months progress biological species bark graft kinds after under Paspalum wettsteinii kind.Biological species bark graft kind concrete operations are as follows:
In the well-grown biological breadcrust of field acquisition, the biology knot for taking 10~20mm of surface layer thick is carefully shoveled using small scoop
Skin dries in the shade the sample of acquisition as interior, later separates it with impurity and soil, using plant pulverizer by its powder
It is broken, one piece of bare area is chosen near terraced fields, takes 0~10cm soil layer soil, 1mm sieve is crossed after room-dry, obtains fine earth.Take nitrogen phosphorus
Potassium mixed fertilizer, polyacrylamide and corn stalk powder are spare.Wherein NPK mixed fertilizer be urea, threeflod calcium superphosphate fertilizer and
The ratio between potassium chloride is the compound fertilizer that 1.3:1.3:1 is mixed to get.
Dry biological breadcrust powder, fine earth and NPK mixed fertilizer, polyacrylamide and corn stalk powder are pressed into quality
Biological breadcrust pug is mixed to get than 30:50:3.5:1:4.5.Biological breadcrust pug and water are mixed to get life with mass ratio 1:2
Object skinning mud.It is operated according to the content recorded in specific embodiment S3 step, pug fountain height is 2kg/m2, thickness
About 2mm.
After sprinkling in 10 days, water to biological breadcrust growth base before 10 points of the morning and after at 5 points in afternoon, sprinkling 8
After it, second stage watering is carried out, watering in every 3 days is primary, and the watering period is 54 days.
Top dressing, nitrogen, phosphorus, potash fertilizer are carried out by the content recorded in specific embodiment S3 step after the completion of first stage watering
The amount of applying is 10g/m2Urea, 12g/m2Threeflod calcium superphosphate fertilizer and 10g/m2。
The variation of results of regular determination biological breadcrust cover degree after biological breadcrust mud jetting, cover degree: being measured using point needle-like frame method,
Grid specification used is 3cm × 3cm.Viridescent can be observed rapidly in biological breadcrust inoculation growth in the present embodiment after 1 month
Color spot shape biological breadcrust, but coverage only 10%.Biological breadcrust is grown it is obvious that coverage when stopping watering after 2 months
Up to 30%.It can grow naturally later, coverage is up to 70% or so after 5 months.
Current year September is in field locality M.-dodecandrum seed, according to concrete operation method planting site M.-dodecandrum in S1 step above.8 months
Herba melastomatis dodecandri grows up to afterwards.
Comparative example
In trial zone, terraced fields similar with a kind of plant plot appearance of embodiment are as a comparison case, without any processing.
Experimental example
After biological breadcrust is inoculated with three months in example 1 to be performed, the soil erosion situation of embodiment 1 and comparative example 1 is observed.It is raw
Object skinning equidistantly lays 10 with graduated timber, such as Fig. 1 in the field ditch below two pieces of terraced fields ladder walls after being inoculated with three months
Shown, the deposition conditions of silt in channels in observational study area calculate erosion modulus accordingly after 1 year, 1 soil of embodiment is invaded
Losing modulus is about 1630t/ (km2A), 1 soil erosion modulus of comparative example is about 5940t/ (km2·a)。
By comparison it can be seen that this method control erosion effect is very significant, the soil erosion of new terracing is significantly reduced
Amount.
In conclusion the solid indigenous method of terraced fields provided by the invention, this method makes terraced fields form field face kind from top to bottom
Herba melastomatis dodecandri+field bund plantation herbaceous plant+ladder wall plantation biological breadcrust ecological slope protection structure is planted, the life of complete covering terraced fields can be formed
Morphotype formula.Field face planting site M.-dodecandrum can be effectively controlled weed invasion and improve weather, and field bund grass planting can provide good for biological breadcrust
Good growing environment carries out Artificial Intervention finally using the biological breadcrust developed naturally in region, and creates various suitable habitats
Condition promotes its growth, thus accelerate the new ground mulching for opening up wasteland terraced fields ladder wall side slope skinning, thus reach reduction soil erosion,
Promote terraced wall natural vegetation restoration, the purpose that terraced wall is protected and afforested.Adjustable runoff imports ring under terraced wall simultaneously
Ditch enhances infiltrating for precipitation, effectively reduces since precipitation acts on the lower mass erosion occurred, as field bund washes away, terraced wall is rushed down and slipped
It deposits, is reduced to terraced fields structural damage with channel caused by slump.
Terraced fields ecological slope protection structure provided by the invention, due to arranging building using solid indigenous method provided by the invention, because
This terraced fields ecological slope protection structure is suitable for fruit forest zones garden.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of solid indigenous method of terraced fields characterized by comprising
The planting site M.-dodecandrum in the face of terraced fields field；
The herbaceous plant of well developed root system is planted on terraced fields field bund, and is the grass more than 30cm height in the herbal growth
Cong Hou is inoculated with biological breadcrust in terraced wall surface.
2. the solid indigenous method of terraced fields according to claim 1, which is characterized in that the herbaceous plant of the well developed root system is width
Leaf ditch millet.
3. the solid indigenous method of terraced fields according to claim 2, which is characterized in that the amount of sowing of the Paspalum wettsteinii is 2.3
~2.7g/m2。
4. the solid indigenous method of terraced fields according to claim 1, which is characterized in that be inoculated with biological breadcrust in the terraced wall surface
It is:
In mass ratio by dry biological breadcrust powder, fine earth and NPK mixed fertilizer, polyacrylamide and crops stalk powder
30~50:30~50:3.5~4.5:1:4.5~5.5 are mixed to get biological breadcrust pug；
The biological breadcrust pug and water are mixed to get biological breadcrust mud with mass ratio 1:1.7~2.2；
The biological breadcrust mud is sprayed on the terraced wall surface after finishing and obtains biological breadcrust growth base, it is preferable that is described
The fountain height of biological breadcrust mud is 1.5~2kg/m2。
5. the solid indigenous method of terraced fields according to claim 4, which is characterized in that be sprayed on the biological breadcrust mud and repair
After terraced wall surface after whole further include:
Hay layer is covered in biological breadcrust growth substrate surface.
6. the solid indigenous method of terraced fields according to claim 4, which is characterized in that be sprayed on the biological breadcrust mud and repair
After terraced wall surface after whole further include:
After sprinkling in 8~12 days, first stage watering is carried out, the biology is tied before 10 points of every morning and after at 5 points in afternoon
Skin grows base's watering, after sprinkling 8~12 days, carries out second stage watering, and watering in every 3~4 days is primary,
Preferably, watering selects the mode of atomization to carry out.
7. the solid indigenous method of terraced fields according to claim 6, which is characterized in that after the completion of the first stage watering, into
Row top dressing, the top dressing be by urea, threeflod calcium superphosphate fertilizer and potassium chloride it is soluble in water to the biological breadcrust growth base sprinkling,
The amount of applying is 10~18g/m2The urea, 10~15g/m2The threeflod calcium superphosphate fertilizer and 8~12g/m2The potassium chloride.
8. the solid indigenous method of terraced fields according to claim 4, which is characterized in that crops stalk powder be wheat culm powder or
Corn stem powder.
9. the solid indigenous method of terraced fields according to claim 4, which is characterized in that the NPK mixed fertilizer be urea,
The mixture of threeflod calcium superphosphate fertilizer and potassium chloride, the ratio between the urea, threeflod calcium superphosphate fertilizer and described potassium chloride are 1.3~1.6:
1.3~1.6:1.
10. a kind of terraced fields ecological slope protection structure, which is characterized in that using consolidating for terraced fields as described in any one of claims 1 to 9
It is obtained after the solid soil of indigenous method.
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