CN109287387A - A method of combine Wild Leguminous Plant to repair Rare-earth Mine bare area using black nutgrass flatsedge - Google Patents
A method of combine Wild Leguminous Plant to repair Rare-earth Mine bare area using black nutgrass flatsedge Download PDFInfo
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- CN109287387A CN109287387A CN201811139161.3A CN201811139161A CN109287387A CN 109287387 A CN109287387 A CN 109287387A CN 201811139161 A CN201811139161 A CN 201811139161A CN 109287387 A CN109287387 A CN 109287387A
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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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
- A01G22/40—Fabaceae, e.g. beans or peas
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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Abstract
The invention discloses a kind of methods for combining native country Wild Leguminous Plant and dogstail to repair Rare-earth Mine bare area using black nutgrass flatsedge, include the following steps: (1) vegetable seeds variety selection；(2) it sows grass seeds by duster substrate layer；(3) it sows grass seeds by duster plant species sublayer；(4) Measures on Soil Moisture Conservation；(5) maintenance management；The method for combining native country Wild Leguminous Plant and dogstail to repair Rare-earth Mine bare area using black nutgrass flatsedge is made.The present invention using the acquisition of wild black nutgrass flatsedge seed, nursery as core, in conjunction with the acquisition of Wild Leguminous Plant and Grass seed with broadcast sowing, soil improvement is matched with water conservation, realize Rare-earth Mine bare area ecosystem reparation.
Description
Technical field
The present invention relates to mining wasteland ecological restoration technical fields, and in particular to a kind of to combine native country wild using black nutgrass flatsedge
The method that raw leguminous plant and dogstail repair Rare-earth Mine bare area.
Background technique
China is the most abundant country of rare earth resources in the world, minerogentic condition is advantageous, deposit type is complete, distribution is wide and
Relatively centralized.The whole nation 2/3rds provinces and regions had been found that rare earth mineral deposit, mining area up to 130 or more, be mainly distributed on the Inner Mongol,
The provinces and regions such as Jiangxi, Guangdong, Sichuan, Shandong, Guizhou, form the Distribution Pattern in north, south, west, east, and have northern light rare earth south heavy dilute
The characteristic distributions of soil.Rare Earth Industry in China occupies resource reserve, rare earth yield, rare earth sale amount and rare-earth usage four in the world
A first.
Currently, China has become the state that uniquely can largely supply different cultivars and different grade rare-earth products in the world
Family, has domination and leading position in global rare earth in the market.Rare earth is referred to as " industrial gold ", and China begins to the application of rare earth
In middle 1960s.In half a century so far, rare earth element is widely used in military affairs, metallurgy, petrochemical industry, new
The fields such as material have been directed to 14 fields in national economy, nearly 40 industries.China's rare earth yield accounts for 80% or more the whole world, from
Just become maximum rare earth mining state in the world the nineties in last century.The development of a large amount of Rare Earth Enterprises, to a certain extent
It is still using the destruction of the excessive consumption of resource and ecological environment as cost.In the exploitation of Rare-earth Mine, the rare earth arbitrarily accumulated
Not only still contain a large amount of rare earth in tailing and residue, while also containing the heavy metal element with mineral association, if without appropriate
It conducts oneself well reason or safeguard procedures is not added, rare earth and heavy metal certainly will occur Transport And Transformation, cause to the ecological environment on mining area and periphery
Serious pollution.By the pulling that high-tech industry rapidly develops, the demand to rare earth material will increase sharply, it is envisioned that in
State will not only continue leading rare earths material market, and will play increasingly important role in the supply side of rare earth new material.
But the ecological disruption of Rare Earth Production bring and problem of environmental pollution are increasingly prominent, it has also become restricting China's Rare-earth Industry can hold
The continuous key to develop in a healthy way, reduces competitiveness of China's rare earth in international market, seriously hinders rare earth and continues in China
Play the effect of its resources advantage.Wherein, ecological disruption caused by rare-earth tailing and problem of environmental pollution are the most serious, at present still
Do not paid attention to adequately, is not also administered timely and effectively.Therefore, the development rare-earth mining area ecology deep in China
The research of environmental improvement technology be it is very urgent, be a problem to be solved, result of study will to solve China's rare earth mineral reserve
Ecology brought by exploitation has highly important theoretical and realistic meaning with problem of environmental pollution.Meanwhile soil is utilized from reasonable
The long-range overall situation of ground resource and protection Residents in Mining Area living environment is set out, and also there is an urgent need to study to administer the discarded ground of rare-earth tailing
Possible technique, but so far for the discarded ground of rare-earth tailing still without feasible economic, efficient, practical improvement skill in situ
Art.
The black nutgrass flatsedge seed collection of background, kind transplantation of seedlings, broadcast sowing with Grass seed in conjunction with native country Wild Leguminous Plant, water,
The black nutgrass flatsedge vegetation of semi-artificial self succession of half-natural self―sustaining is formed, top grass and bottom grass arrange in pairs or groups and pass through vegetation succession, real
Existing Rare-earth Mine bare area restoration of the ecosystem.
Currently, lack that a kind of soil improvement and water conservation match using black nutgrass flatsedge in conjunction with Wild Leguminous Plant repaired with dogstail
The method of multiple Rare-earth Mine bare area.
Summary of the invention
The purpose of the present invention is to provide a kind of soil improvement with water conservation match using black nutgrass flatsedge in conjunction with Wild Legume
The method of phytoremediation Rare-earth Mine bare area.
In order to achieve the above objectives, present invention employs following technical proposals: of the invention is a kind of wild using the combination of black nutgrass flatsedge
The method that raw leguminous plant repairs Rare-earth Mine bare area, includes the following steps:
(1) vegetable seeds variety selection: select the wild leguminous plant of black nutgrass flatsedge seed and Rare-earth Mine surrounding area with
Dogstail vegetable seeds, Rare-earth Mine carry out soil improvement and water conservation using straw, organic fertilizer；
(2) it sows grass seeds by duster substrate layer: by 1600kg/m3Planting soil, 50~100kg/m3Ordinary portland cement, 50~100kg/
m3Green additive, 30~50kg/m3Organic matter, 0.3~1kg/m3Water-retaining agent, 0.5~3kg/m3Compound fertilizer's mixing, stirring are equal
Concrete hydroseeder is used after even, is sowed grass seeds by duster to slope surface, substrate layer is sowed grass seeds by duster with a thickness of 8cm；
(3) sow grass seeds by duster plant species sublayer: substrate layer is sowed grass seeds by duster black nutgrass flatsedge seed layer and the pulse family, grass family of sowing grass seeds by duster after 4~5h of completion
Plant species sublayer, the vegetable seeds and 1600kg/m that will be chosen in step (1)3Planting soil, 50~80kg/m3Normal silicate water
Mud, 50~100kg/m3Green additive, 20~45kg/m3Organic matter, 0.3~1kg/m3Water-retaining agent, 0.1~2kg/m3It is compound
Fertilizer mixing, uses concrete hydroseeder after mixing evenly, sows grass seeds by duster to substrate layer, and plant species molecular layers thick is 3cm；
(4) Measures on Soil Moisture Conservation: the black nutgrass flatsedge seed layer of plant and pulse family, gramineae plant seed layer are sowed grass seeds by duster after the completion using nonwoven
Cloth or shading net cover plant species sublayer, remove non-woven fabrics or shading net when 6~8cm of height of seedling；
(5) maintenance management: sprinkling profoundly water for first day after sowing grass seeds by duster, and the later period according to weather condition, carries out sprinkling maintenance, maintenance early period
Time is no less than 45 days, and pastoral area is sowed grass seeds by duster and protected when completing using netting fence, and guard time is 2~3 years；It is made and utilizes black nutgrass flatsedge knot
Close the method that Wild Leguminous Plant repairs Rare-earth Mine bare area.
Further, in step (1), the seeds of leguminous plant is crotalaria mucronata seed (Crotalaria
Pallida), Sesbania seed (Sesbania cannabina), corn grass seed (Kummerowia striata), elegant jessamine seed
(Pueraria lobata), thunberg lespedeza seed (Lespedeza formosa), elegant tickclover herb seed (Phyllodium
Elegans), roundleaf villous dunbaria herb or seed seed (Dunbaria rotundifolia)；Native country gramineae plant is herba digitariae Digitaria
Sanguinalis, Bermuda grass Cynodon dactylon.
Further, in step (2), curing time early period is 50 days.
Further, in step (3), guard time is 4~5 years.
Further, in step (4), the top of the substrate layer is provided with the mixture bed of material, and the mixture bed of material is
Sugarcane top, poultry manure, cane mill's filter mud, fish pond mud, humus, dipotassium hydrogen phosphate, magnesium sulfate, peanut press pulp, seven water sulfuric acid
Ferrous mixture.
Further, in step (4), the mixture bed of material on soil with a thickness of 1~2cm.
The utility model has the advantages that the present invention using the acquisition of wild black nutgrass flatsedge seed, nursery, transplanting as core, is planted in conjunction with Wild Legume
Object seed collection with broadcast sowing, soil improvement is matched with water conservation, realize Rare-earth Mine bare area restoration of the ecosystem.
Compared with prior art, the present invention has the advantage that
(1) Wild Legume, gramineae plant seed and wild black nutgrass flatsedge seed well developed root system, height collocation, and utilize beans
The nitrogen fixation of section plant quickly forms the vegetation microhabitat to develop in harmony between plant, engineering wound-surface can be made to tend towards stability, maximum
Limit prevents erosion, while promoting landscape effect, provides basis for natural community's succession.Improve the choosing of this area's species
The reasonability selected increases the successful of restoration of the ecosystem.
(2) present invention collects local common pulse family and gramineae plant, forms height collocation with black nutgrass flatsedge, and play beans
The nitrogen fixation of section plant, forms the synergistic effect between plant, and the ecosystem for reaching fast and efficiently Rare-earth Mine bare area is repaired
It is multiple.Feature with drought-enduring, resistance to heavy metals.
Specific embodiment
By following embodiment, present invention be described in more detail, but should be noted that the scope of the present invention is not implemented by these
Any restrictions of example.
Embodiment 1
A kind of method for combining Wild Leguminous Plant to repair Rare-earth Mine bare area using black nutgrass flatsedge of the invention, including it is as follows
Step:
(1) vegetable seeds variety selection: the wild leguminous plant kind of black nutgrass flatsedge seed and Rare-earth Mine surrounding area is selected
Son, Rare-earth Mine carry out soil improvement and water conservation using straw, organic fertilizer；The seeds of leguminous plant is crotalaria mucronata kind
Son (Crotalaria pallida), Sesbania seed (Sesbania cannabina), corn grass seed (Kummerowia
Striata), elegant jessamine seed (Pueraria lobata), thunberg lespedeza seed (Lespedeza formosa), elegant tickclover herb
Seed (Phyllodium elegans), roundleaf villous dunbaria herb or seed seed (Dunbaria rotundifolia)；Native country gramineae plant
For herba digitariae Digitaria sanguinalis, Bermuda grass Cynodon dactylon.
(2) it sows grass seeds by duster substrate layer: by 1600kg/m3Planting soil, 50kg/m3Ordinary portland cement, 80kg/m3Greening addition
Agent, 50kg/m3Organic matter, 0.8kg/m3Water-retaining agent, 3kg/m3Compound fertilizer's mixing uses concrete hydroseeder, spray after mixing evenly
Slope surface is cast to, substrate layer is sowed grass seeds by duster with a thickness of 8cm；
(3) sow grass seeds by duster plant species sublayer: substrate layer is sowed grass seeds by duster black nutgrass flatsedge seed layer and the pulse family, grass family of sowing grass seeds by duster after 4~5h of completion
Plant species sublayer, the vegetable seeds and 1600kg/m that will be chosen in step (1)3Planting soil, 80kg/m3Ordinary portland cement,
80kg/m3Green additive, 20kg/m3Organic matter, 0.5kg/m3Water-retaining agent, 2kg/m3Compound fertilizer's mixing, uses after mixing evenly
Concrete hydroseeder, sows grass seeds by duster to substrate layer, and plant species molecular layers thick is 3cm；
(4) Measures on Soil Moisture Conservation: the black nutgrass flatsedge seed layer of plant and pulse family, gramineae plant seed layer are sowed grass seeds by duster after the completion using nonwoven
Cloth or shading net cover plant species sublayer, remove non-woven fabrics or shading net when height of seedling 8cm；The top of the substrate layer is set
It is equipped with the mixture bed of material, the mixture bed of material is sugarcane top, poultry manure, cane mill's filter mud, fish pond mud, humus, phosphoric acid hydrogen
Dipotassium, magnesium sulfate, peanut press pulp, ferrous sulfate heptahydrate mixture.The mixture bed of material on soil with a thickness of 1cm.
(5) maintenance management: sprinkling profoundly water for first day after sowing grass seeds by duster, and the later period according to weather condition, carries out sprinkling maintenance, maintenance early period
Time is no less than 45 days, and pastoral area is sowed grass seeds by duster and protected when completing using netting fence, and guard time is 3 years；It is made and is combined using black nutgrass flatsedge
The method of Wild Leguminous Plant reparation Rare-earth Mine bare area.
Embodiment 2
Embodiment 2 the difference from embodiment 1 is that: it is of the invention a kind of to combine Wild Legume, grass family using black nutgrass flatsedge
The method of phytoremediation Rare-earth Mine bare area, includes the following steps:
In step (2), substrate layer of sowing grass seeds by duster: by 1600kg/m3Planting soil, 100kg/m3Ordinary portland cement, 50kg/
m3Green additive, 30kg/m3Organic matter, 1kg/m3Water-retaining agent, 0.5kg/m3Compound fertilizer's mixing, uses coagulation after mixing evenly
Native hydroseeder is sowed grass seeds by duster to slope surface, and substrate layer is sowed grass seeds by duster with a thickness of 8cm；
In step (3), plant species sublayer of sowing grass seeds by duster: substrate layer is sowed grass seeds by duster black nutgrass flatsedge seed layer and the beans of sowing grass seeds by duster after 4~5h of completion
Section, gramineae plant seed layer, the vegetable seeds and 1600kg/m that will be chosen in step (1)3Planting soil, 50kg/m3Common silicic acid
Salt cement, 100kg/m3Green additive, 45kg/m3Organic matter, 0.3kg/m3Water-retaining agent, 0.1kg/m3Compound fertilizer's mixing, stirring
Concrete hydroseeder is used after uniformly, is sowed grass seeds by duster to substrate layer, and plant species molecular layers thick is 3cm；
In step (4), Measures on Soil Moisture Conservation: the black nutgrass flatsedge seed layer of plant and pulse family, gramineae plant seed layer are sowed grass seeds by duster completion
Plant species sublayer is covered using non-woven fabrics or shading net afterwards, removes non-woven fabrics or shading net when height of seedling 6cm；The substrate
The top of layer is provided with the mixture bed of material, and the mixture bed of material is sugarcane top, poultry manure, cane mill's filter mud, fish pond mud, humic
Matter, dipotassium hydrogen phosphate, magnesium sulfate, peanut press pulp, ferrous sulfate heptahydrate mixture.Thickness of the mixture bed of material on soil
Degree is 2cm.
In step (5), maintenance management: sprinkling profoundly water for first day after sowing grass seeds by duster, and the later period according to weather condition, carries out watering and supports
Shield, early period, curing time was no less than 45 days, and pastoral area is sowed grass seeds by duster and protected when completing using netting fence, and guard time is 2 years；It is made and utilizes
The method that black nutgrass flatsedge combines Wild Leguminous Plant and dogstail to repair Rare-earth Mine bare area.
Embodiment 3
Embodiment 3 the difference from embodiment 1 is that:
A kind of method for combining Wild Leguminous Plant and dogstail to repair Rare-earth Mine bare area using black nutgrass flatsedge of the invention, packet
Include following steps:
In step (2), substrate layer of sowing grass seeds by duster: by 1600kg/m3Planting soil, 80kg/m3Ordinary portland cement, 100kg/
m3Green additive, 40kg/m3Organic matter, 0.3kg/m3Water-retaining agent, 2.5kg/m3Compound fertilizer's mixing, after mixing evenly using mixed
Solidifying soil hydroseeder, sows grass seeds by duster to slope surface, substrate layer is sowed grass seeds by duster with a thickness of 8cm；
In step (3), plant species sublayer of sowing grass seeds by duster: substrate layer is sowed grass seeds by duster black nutgrass flatsedge seed layer and the beans of sowing grass seeds by duster after 4~5h of completion
Section, gramineae plant seed layer, the vegetable seeds and 1600kg/m that will be chosen in step (1)3Planting soil, 70kg/m3Common silicic acid
Salt cement, 50kg/m3Green additive, 35kg/m3Organic matter, 1kg/m3Water-retaining agent, 1.5kg/m3Compound fertilizer's mixing, stirring are equal
Concrete hydroseeder is used after even, is sowed grass seeds by duster to substrate layer, and plant species molecular layers thick is 3cm；
In step (4), Measures on Soil Moisture Conservation: the black nutgrass flatsedge seed layer of plant and pulse family, gramineae plant seed layer are sowed grass seeds by duster completion
Plant species sublayer is covered using non-woven fabrics or shading net afterwards, removes non-woven fabrics or shading net when height of seedling 7cm；The mixing
It is material bed on soil with a thickness of 1.5cm.
In step (5), maintenance management: sprinkling profoundly water for first day after sowing grass seeds by duster, and the later period according to weather condition, carries out watering and supports
Shield, early period, curing time was no less than 45 days, and pastoral area is sowed grass seeds by duster and protected when completing using netting fence, and guard time is 2.5 years；Benefit is made
The method for combining Wild Leguminous Plant reparation and dogstail Rare-earth Mine bare area with black nutgrass flatsedge.
Comparative example
The difference from embodiment 1 is that black nutgrass flatsedge seed and the mixture bed of material is not added.
Test 1
Embodiment and comparative example are detected, it is as shown in table 1 to obtain parameter:
Table 1
As shown in Table 1, the present invention can effectively restore Rare-earth Mine bare area.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, the present invention
Claimed range is delineated by the appended claims, the specification and equivalents thereof from the appended claims.
Claims (6)
1. a kind of method for combining Wild Leguminous Plant and dogstail to repair Rare-earth Mine bare area using local wild black nutgrass flatsedge, special
Sign is to include the following steps:
(1) vegetable seeds variety selection: collect select the wild leguminous plant of black nutgrass flatsedge seed and Rare-earth Mine surrounding area with
Gramineae plant seed；
(2) it sows grass seeds by duster substrate layer: by 1600kg/m3Planting soil, 50~100kg/m3Ordinary portland cement, 50~100kg/m3It is green
Change additive, 30~50kg/m3Organic matter, 0.3~1kg/m3Water-retaining agent, 0.5~3kg/m3Compound fertilizer's mixing, after mixing evenly
Using concrete hydroseeder, sow grass seeds by duster to slope surface, substrate layer is sowed grass seeds by duster with a thickness of 8cm；
(3) sow grass seeds by duster plant species sublayer: substrate layer is sowed grass seeds by duster black nutgrass flatsedge seed layer and the pulse family, gramineae plant of sowing grass seeds by duster after 4~5h of completion
Seed layer, the vegetable seeds and 1600kg/m that will be chosen in step (1)3Planting soil, 50~80kg/m3Ordinary portland cement, 50
~100kg/m3Green additive, 20~45kg/m3Organic matter, 0.3~1kg/m3Water-retaining agent, 0.1~2kg/m3Compound fertilizer is mixed
It closes, uses concrete hydroseeder after mixing evenly, sow grass seeds by duster to substrate layer, plant species molecular layers thick is 3cm；
(4) Measures on Soil Moisture Conservation: the black nutgrass flatsedge seed layer of plant and leguminous plant, Grass seed layer are sowed grass seeds by duster after the completion using non-woven fabrics or screening
Screened negative covers plant species sublayer, removes non-woven fabrics or shading net when 6~8cm of height of seedling；
(5) maintenance management: sprinkling profoundly water for first day after sowing grass seeds by duster, and the later period according to weather condition, carries out sprinkling maintenance, early period curing time
No less than 45 days, pastoral area was sowed grass seeds by duster and is protected when completing using netting fence, and guard time is 2~3 years；It is made and combines open country using black nutgrass flatsedge
The method that raw leguminous plant and dogstail repair Rare-earth Mine bare area.
2. the system of the method according to claim 1 for combining Wild Leguminous Plant to repair Rare-earth Mine bare area using black nutgrass flatsedge
Preparation Method, it is characterised in that: in step (1), the seeds of leguminous plant is native country crotalaria mucronata seed Crotalaria
Pallida, Sesbania seed Sesbania cannabina, corn grass seed Kummerowia striata, elegant jessamine seed
Pueraria lobata, thunberg lespedeza seed Lespedeza formosa, elegant tickclover herb seed Phyllodium
Elegans, roundleaf villous dunbaria herb or seed seed Dunbaria rotundifolia；Native country gramineae plant is herba digitariae Digitaria
Sanguinalis, Bermuda grass Cynodon dactylon.
3. according to claim 1 combine Wild Leguminous Plant and dogstail to repair the side of Rare-earth Mine bare area using black nutgrass flatsedge
The preparation method of method, it is characterised in that: in step (2), curing time early period is 50 days.
4. according to claim 1 combine Wild Leguminous Plant and dogstail to repair the side of Rare-earth Mine bare area using black nutgrass flatsedge
The preparation method of method, it is characterised in that: in step (3), guard time is 4~5 years.
5. according to claim 1 combine Wild Leguminous Plant and dogstail to repair the side of Rare-earth Mine bare area using black nutgrass flatsedge
The preparation method of method, it is characterised in that: in step (4), the top of the substrate layer is provided with the mixture bed of material, mixture
The bed of material is sugarcane top, poultry manure, cane mill's filter mud, fish pond mud, humus, dipotassium hydrogen phosphate, magnesium sulfate, peanut press pulp, seven
The mixture of aqueous ferrous sulfate.
6. according to claim 1 combine Wild Leguminous Plant and dogstail to repair the side of Rare-earth Mine bare area using black nutgrass flatsedge
The preparation method of method, it is characterised in that: in step (4), the mixture bed of material on soil with a thickness of 1~2cm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110122263A (en) * | 2019-06-21 | 2019-08-16 | 三峡大学 | A kind of preparation method and application for the material of sowing grass seeds by duster improving soil granular structure |
| CN110583374A (en) * | 2019-10-09 | 2019-12-20 | 江西省核工业地质局二六四大队 | Method for repairing waste rare earth mine based on paspalum cultivation |
| CN110972594A (en) * | 2019-12-09 | 2020-04-10 | 神华宝日希勒能源有限公司 | Method for improving associated clay in strip mine mining |
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| CN110583374B (en) * | 2019-10-09 | 2022-02-08 | 江西省核工业地质局二六四大队 | Method for repairing waste rare earth mine based on paspalum cultivation |
| CN110972594A (en) * | 2019-12-09 | 2020-04-10 | 神华宝日希勒能源有限公司 | Method for improving associated clay in strip mine mining |
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