CN106818167A - A kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit - Google Patents

A kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit Download PDF

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Publication number
CN106818167A
CN106818167A CN201710046765.2A CN201710046765A CN106818167A CN 106818167 A CN106818167 A CN 106818167A CN 201710046765 A CN201710046765 A CN 201710046765A CN 106818167 A CN106818167 A CN 106818167A
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China
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rare earth
slope
situ
ground
soil
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Inventor
侯晓龙
蔡丽平
马祥庆
吴鹏飞
岳辉
王友生
邹显花
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Fujian Agriculture and Forestry University
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Fujian Agriculture and Forestry University
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Priority to CN201710046765.2A priority Critical patent/CN106818167A/en
Publication of CN106818167A publication Critical patent/CN106818167A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

Abstract

The present invention relates to a kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit, carry out according to the following steps:(1)On rare earth in_situ leaching discarded ground, side slope carries out consolidation, carries out disappear slope build ladder or platform;(2)On rare earth in_situ leaching discarded ground, side slope builds drainage measure;(3)The low bank of earth between fields is built on rare earth in_situ leaching pool side edge(4)Soil improvement is carried out in rare earth in_situ leaching pond(5)Side slope, ladder or platform and mine-dipping pool on the discarded ground of rare earth in_situ leaching broadcast sowing grass-seed;(6)In rare earth in_situ leaching discarded ground side slope bottom of slope and ladder or platform plant shrub, in mine-dipping pool plant arbor.Technology both can reach the effect for conserving water and soil, and can improve the ecological environment, and method is simple, cost is relatively low, the advantage of the sustainable maintenance of easy to operate, recovery effects, be adapted to Southern Red Soil corrosion area ion type rareearth ore it is discarded administer in popularization and application.

Description

A kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit
Technical field
The present invention relates to a kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit.
Background technology
Ion adsorption type rare earth ore is a kind of unique novel rare-earth mineral deposit of China, be mainly distributed on China Jiangxi, Guangdong, The Southern Red Soil corrosion area such as Hunan, Guangxi, Fujian.The area of severe water and soil erosion, tool are distributed in current these rare earth resources more The characteristics of thering is ore body to cover shallow, ore loosely.Rare Earth Production is carried out using leaching process more than ion type rareearth ore, will be taken Clay be transported to leaching ore deposit carried out in the road of pond, thus produce a large amount of discarded ground of leaching ore deposits.Rare Earth Mine is by taking, carrying, after water enchroachment (invasion), Original soil texture is destroyed, serious soil erosion and the deterioration of the ecological environment is easily caused.Therefore, rare earth leaching ore deposit discards ground Administering turns into urgent problem.
Traditional Abandoned Land of Mine administer mainly fill, the engineering measure such as smooth, this control measures presence administers into This height, efficiency are low, be also easy to produce deficiencies such as " secondary pollutions ", it is impossible to reach expected improvement recovery effects.And use plant recovery Measure has the advantages that treatment cost is low and regulation effect is good, can also produce certain economic worth.But because of rare earth in_situ leaching Discardedly not only soil texture be destroyed, loss of soil nutrient, and there are problems that acidity it is low and, so controlling The selection of Vegetative restoration pattern is most important during reason, is otherwise unable to reach regulation effect.Therefore, in-situ ionic rare earth leaching Ore deposit discarded ground technology for recovering vegetation turns into urgent problem.
The content of the invention
The present invention makes improvement for the problem that above-mentioned prior art is present, i.e., the technical problems to be solved by the invention are A kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit is provided, is reached and is controlled soil erosion, increase and plant It is capped, promote Rare Earth Mine discarded ground vegetation ecological to recover, improve discarded ground ecological environment, can reach the length of vegetation ecological environment Phase maintains.In order to solve the above-mentioned technical problem, the technical scheme is that:One kind is former for administering khoai ion type rareearth The method on the ground discarded ground of leaching ore deposit, is carried out according to the following steps.
Specific embodiments of the present invention are:A kind of side for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit Method, is carried out according to the following steps:
(1)Rare earth in_situ leaching includes mine-dipping pool and side slope discardedly, and side slope carries out consolidation, the consolidation be into Row disappear slope i.e. side slope it is domatic on build cascaded surface or platform, prevent the domatic slip of side slope;
(2)On rare earth in_situ leaching discarded ground, the bottom of slope side of side slope builds draining gutter, has both draining and function of blocking;
(3)The low bank of earth between fields is built at the mine-dipping pool edge on the discarded ground of rare earth in_situ leaching, the water and soil on the discarded ground of rare earth in_situ leaching is prevented It is lost in;
(4)Soil improvement is carried out in rare earth in_situ leaching pond, the soil improvement is to adjust soil aciditiy using quick lime;
(5)The 1-3 months of First Year, side slope, ladder or platform and mine-dipping pool on the discarded ground of rare earth in_situ leaching broadcast sowing grass-seed, extensive Multiple cover plant;
(6)When grass-seed emerges 3-5 cm, topdress 1 time;
(7)The 1-3 months of next year, in the bottom of slope and step of rare earth in_situ leaching discarded ground side slope(1)The ladder or platform of setting are planted Shrub is planted, in mine-dipping pool plant arbor;
(8)Topdressed the 5-6 months 1 time then in tree and shrubs plant.
Further, the consolidation be disappear slope i.e. side slope it is domatic on build cascaded surface or platform, it is described Ladder or the m of podium level 3 ~ 5, control side slope slope angle at 41 ° ~ 46 °, 2 m~3 m wide, the table top of the ladder or platform to The tilted counter-slope for forming 3 ° ~ 5 °, prevents domatic slip, reduces runoff.
Further, gutter inner side is higher by the cm of earth's surface 15, and gutter is built with concrete, depth and width phase Together, the cm of ditch wall wide 15~20, the cm of bottom pad rubble 10~12, spread concrete 10~12 cm of thickness for bottom pad rubble upper surface, row Ditch wall is vertical with bottom of trench, and gutter gradient is controlled 2%~3%, has both draining and function of blocking.
Further, low bank of earth between fields height 50 cm~60 cm, cm~30 cm of top width 20, outer slope compares 1:0.5, inner slope Than 1:0.2, low bank of earth between fields surface compaction, scabble.
Further, the discarded land soil of described rare earth mine-dipping pool takes the method for sowing quick lime, by average use Measure 0.4 t/ mus of standard, use manually sow or plough the mode sowed calcium lime powder is uniformly admixed the cm of below ground 30 with In interior soil layer, make its fully with topsoil hybrid reaction, to neutralize the acidity of rare earth mine-dipping pool soil, put forward high ph-values.
Further, the described grass seeds that broadcasts sowing is carried out in domatic, ladder or table top, mine-dipping pool;The grass seed selection leaf wide Ditch millet, opens shallow ridges 3-5 cm, after every mu is fully mixed thoroughly by the kg of Paspalum wettsteinii 1, the kg of compoiste fertilizer 25, the kg of mountain ground surface soil 80 Uniform broadcasting;Carry out imposing urea when grass-seed emerges 5 cm level above, uniformly spread before cloudy day or light rain by 5 kg/mu Apply.
Further, in bottom of slope and ladder or platform plant shrub, the shrub is shrub lespedeza, and seedling is given birth to from 1-2; In bottom of slope along 1 row that transplanted on the inside of gutter;At ladder or platform, transplanted according to m × 1.5 m of seeding row spacing 1,445 plants of density/ Mu, Shrub Species plant hole is using cave-shaped or fish-scale pit site preparation, specification:Cave top 50 cm × 30 cm of cave bottom × deep 30 cm in cave;In leaching Ore deposit pond plant arbor, the arbor is sweetgum, Schima superba, mountain Elaeocarpus decipiens, takes the mixed friendship of plum blossom-shaped;Seeding row spacing 2.0 m × 2.0 m, it is close Spend is 167 plants/acre;Arbor planting hole uses Chinese character pin-shaped site preparation, and specification is:Cave top 60 cm × 40 cm of cave bottom × deep 40 cm in cave, Cave soil is obstructed used in lower section.
Further, during shrub plant, accomplish that plant is urgent, not nest root;Often spread manuer in holes the kg of calcium superphosphate 0.5, has Machine 1.5 kg of fertilizer, calcium superphosphate and organic fertilizer apply cave bottom, are then fully mixed thoroughly with soil, then backfill to cave is higher by earth's surface about 5 cm。
Further, topdressed then after shrub plant, fertilising vesicle is dug in nearly root behind shrub, often spreads manuer in holes compound Fertilizer 0.15 Kg, blinding after fertilising.
Further, grass-seed, the plant shrub Season select 1-3 months are broadcasted sowing, selection of topdressing is in the 5-6 months.
Compared with prior art, the invention has the advantages that:It is of the present invention for administering khoai ion The method on the discarded ground of type rare earth in_situ leaching, be the characteristics of coupled ion type Rare Earth Mine discarded ground ecological environment adverse circumstance, according to Slope runoff regulation and control are theoretical, ecological succession is theoretical, and using slope engineering measure, amendement, and biological control measure is combined Process for comprehensively treating.On the discarded ground of Rare Earth Mine, soil texture destruction, vegetation missing, severe water and soil erosion, ecological environment is disliked Change.By sloping surface arrangement, section drainage system, length of grade can be truncated, increase storage and ooze, effectively intercept slope runoff silt, be extensive vegetation Basic living environment is created again;By simple soil improvement, restriction effect of the strong acidity to vegetation growth is solved;Using itself The tolerant plant on the discarded ground of ion type rareearth ore that research is filtered out, arbor after first grass is filled, so as to vegetation ecosystem can be promoted Succession, reaches the sustained restoration of the Rare Earth Mine discarded ground ecosystem.After recovering 3 years through the technology governance, soil water holding capacity, granule Structure and soil nutrient are noticeably greater than and unmind area, and soil pH brings up to more than 5, and general plant can survive;Vegetative coverage Rate reaches more than 90%, and index of species diversity is significantly improved.
The technology both can reach the effect for conserving water and soil, and can improve the ecological environment, and promote local dark-grey economic hair Exhibition.The technical elements have the advantages that method is simple, cost is relatively low, the sustainable maintenance of easy to operate, recovery effects, are adapted in south Square red-soil erosion area ion type rareearth ore administer discardedly in popularization and application.
Brief description of the drawings
Accompanying drawing 1 is khoai ion type rareearth leaching ore deposit discarded ground control measures layout;
Accompanying drawing 2 is discharge section figure;
Accompanying drawing 3 is Shrub Species plant hole sectional drawing;
Accompanying drawing 4 is arbor kind plant hole sectional drawing;
Accompanying drawing 5 is low bank of earth between fields sectional drawing.
In figure:1- side slopes;2- ladders or platform;3- gutters;4- mine-dipping pools;The 5- low banks of earth between fields;6- slope angles;7- sweetgums, Schima superba, Mountain Elaeocarpus decipiens plum blossom-shaped is mixed to hand over plant;8- shrub lespedezas;9- Paspalum wettsteiniis.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~5, a kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit, by following Step is carried out:
(1)Rare earth in_situ leaching includes mine-dipping pool and side slope discardedly, and side slope carries out consolidation, the consolidation be into Row disappear slope i.e. side slope it is domatic on build cascaded surface or platform, prevent the domatic slip of side slope;
(2)On rare earth in_situ leaching discarded ground, the bottom of slope side of side slope builds draining gutter, has both draining and function of blocking;
(3)The low bank of earth between fields is built at the mine-dipping pool edge on the discarded ground of rare earth in_situ leaching, the water and soil on the discarded ground of rare earth in_situ leaching is prevented It is lost in;
(4)Soil improvement is carried out in rare earth in_situ leaching pond, the soil improvement is to adjust soil aciditiy using quick lime;
(5)The 1-3 months of First Year, side slope, ladder or platform and mine-dipping pool on the discarded ground of rare earth in_situ leaching broadcast sowing grass-seed, extensive Multiple cover plant;
(6)When grass-seed emerges 3-5 cm, topdress 1 time;
(7)The 1-3 months of next year, in the bottom of slope and step of rare earth in_situ leaching discarded ground side slope(1)The ladder or platform of setting are planted Shrub is planted, in mine-dipping pool plant arbor;
(8)Topdressed the 5-6 months 1 time then in tree and shrubs plant.
In the present embodiment, the consolidation be disappear slope i.e. side slope it is domatic on build cascaded surface or platform, institute The ladder or the m of podium level 4 stated, control side slope slope angle 6 is at 41 ° ~ 46 °, and 2 mm wide, the table top of the ladder or platform is inside 3 ° ~ 5 ° of counter-slope is formed slopely, domatic slip is prevented, reduces runoff.
In the present embodiment, gutter inner side is higher by the cm of earth's surface 15, and gutter is built with concrete, depth and width It is identical, the cm of ditch wall wide 15, bottom pad rubble 10cm, spread concrete thick 10cm for bottom pad rubble upper surface, draining furrow bank and bottom of trench Vertically, gutter gradient control has both draining and function of blocking 2%~3%.
In the present embodiment, the low bank of earth between fields height 50 cm~60cm, 20 cm of top width~30cm, outer slope compares 1:0.5, inner slope Than 1:0.2, low bank of earth between fields surface compaction, scabble.
In the present embodiment, the discarded land soil of described rare earth mine-dipping pool takes the method for sowing quick lime, by average The standard that t/ mus of consumption 0.4, using manually sow or plough sow by the way of calcium lime powder is uniformly admixed the cm of below ground 30 Within soil layer in, make its fully with topsoil hybrid reaction, to neutralize the acidity of rare earth mine-dipping pool soil, put forward high ph-values.
In the present embodiment, the described grass seeds that broadcasts sowing is carried out in domatic, ladder or table top, mine-dipping pool;The grass seed selection is wide Leaf ditch millet, opens shallow ridges 3-5 cm, and every mu is fully mixed thoroughly by the kg of Paspalum wettsteinii 1, the kg of compoiste fertilizer 25, the kg of mountain ground surface soil 80 Uniform broadcasting afterwards;Carry out imposing urea when grass-seed emerges 5 cm level above, it is uniform before cloudy day or light rain by 5 kg/mu Spread fertilizer over the fields.
In the present embodiment, in bottom of slope and ladder or platform plant shrub, the shrub is shrub lespedeza, raw from 1-2 Seedling;In bottom of slope along 1 row that transplanted on the inside of gutter;At ladder or platform, transplanted according to m × 1.5 m of seeding row spacing 1, density 445 Plant/acre, Shrub Species plant hole is using cave-shaped or fish-scale pit site preparation, specification:Cave top 50 cm × 30 cm of cave bottom × deep 30 cm in cave; In mine-dipping pool plant arbor, the arbor is sweetgum, Schima superba, mountain Elaeocarpus decipiens, takes the mixed friendship of plum blossom-shaped;M × 2.0 of seeding row spacing 2.0 M, density is 167 plants/acre;Arbor planting hole uses Chinese character pin-shaped site preparation, and specification is:Cave top 60 cm × 40 cm of cave bottom × cave deep 40 Cm, cave soil is obstructed used in lower section.
In the present embodiment, during shrub plant, accomplish that plant is urgent, not nest root;Often spread manuer in holes the kg of calcium superphosphate 0.5, The kg of organic fertilizer 1.5, calcium superphosphate and organic fertilizer apply cave bottom, are then fully mixed thoroughly with soil, then backfill to cave is higher by earth's surface About 5 cm.
In the present embodiment, topdressed then after shrub plant, fertilising vesicle is dug in nearly root behind shrub, often spread manuer in holes multiple The Kg of Hefei 0.15, blinding after fertilising.
In the present embodiment, grass-seed, the plant shrub Season select 1-3 months are broadcasted sowing, selection of topdressing is in the 5-6 months.
Any technical scheme disclosed in the invention described above unless otherwise stated, if it discloses number range, then Disclosed number range is preferred number range, it is any it should be appreciated by those skilled in the art:Preferred number range The only obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, it is impossible to Exhaustion, so just open component values of the invention are to illustrate technical scheme, also, the above-mentioned numerical value enumerated is not The limitation to the invention protection domain should be constituted.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations;To the greatest extent Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood:Still Specific embodiment of the invention can be modified or equivalent is carried out to some technical characteristics;Without deviating from this hair The spirit of bright technical scheme, it all should cover in the middle of claimed technical scheme scope of the invention.

Claims (10)

1. it is a kind of for administering the method that khoai in-situ ionic rare earth leaching ore deposit discards ground, it is characterised in that to enter according to the following steps OK:
(1)Rare earth in_situ leaching includes mine-dipping pool and side slope discardedly, and side slope carries out consolidation, the consolidation be into Row disappear slope i.e. side slope it is domatic on build cascaded surface or platform, prevent the domatic slip of side slope;
(2)On rare earth in_situ leaching discarded ground, the bottom of slope side of side slope builds draining gutter, has both draining and function of blocking;
(3)The low bank of earth between fields is built at the mine-dipping pool edge on the discarded ground of rare earth in_situ leaching, the water and soil on the discarded ground of rare earth in_situ leaching is prevented It is lost in;
(4)Soil improvement is carried out in rare earth in_situ leaching pond, the soil improvement is to adjust soil aciditiy using quick lime;
(5)The 1-3 months of First Year, side slope, ladder or platform and mine-dipping pool on the discarded ground of rare earth in_situ leaching broadcast sowing grass-seed, extensive Multiple cover plant;
(6)When grass-seed emerges 3-5 cm, topdress 1 time;
(7)The 1-3 months of next year, in the bottom of slope and step of rare earth in_situ leaching discarded ground side slope(1)The ladder or platform of setting are planted Shrub is planted, in mine-dipping pool plant arbor;
(8)Topdressed the 5-6 months 1 time then in tree and shrubs plant.
2. according to claim 1 for administering the method that khoai in-situ ionic rare earth leaching ore deposit discards ground, its feature It is:The consolidation be disappear slope i.e. side slope it is domatic on build cascaded surface or platform, described ladder or platform Highly 3 ~ 5 m, at 41 ° ~ 46 °, 2 m~3 m wide, the table top of the ladder or platform slopes inwardly to form 3 ° control side slope slope angle ~ 5 ° of counter-slope, prevents domatic slip, reduces runoff.
3. according to claim 1 for administering the method that khoai in-situ ionic rare earth leaching ore deposit discards ground, its feature It is:The gutter inner side is higher by the cm of earth's surface 15, and gutter is built with concrete, and depth is identical with width, and ditch wall wide 15~ 20 cm, the cm of bottom pad rubble 10~12, bottom pad rubble upper surface is spread concrete thickness 10~12 cm, draining furrow bank and bottom of trench Vertically, gutter gradient control has both draining and function of blocking 2%~3%.
4. according to claim 1 for administering the method that khoai in-situ ionic rare earth leaching ore deposit discards ground, its feature It is:Low bank of earth between fields height 50 cm~60 cm, cm~30 cm of top width 20, outer slope compares 1:0.5, inner slope compares 1:0.2, the low bank of earth between fields Surface compaction, scabble.
5. the method for being used to administer the discarded ground of khoai in-situ ionic rare earth leaching ore deposit according to claim 1, it is characterised in that:Institute The discarded land soil of rare earth mine-dipping pool stated takes the method for sowing quick lime, by t/ mus of the standard of average dose 0.4, adopts Manually sow or plough the mode sowed uniformly to admix calcium lime powder in the soil layer within the cm of below ground 30, make its abundant With topsoil hybrid reaction, to neutralize the acidity of rare earth mine-dipping pool soil, high ph-values are put forward.
6. the method for being used to administer the discarded ground of khoai in-situ ionic rare earth leaching ore deposit according to claim 1, it is characterised in that:Institute The grass seeds that broadcasts sowing stated is carried out in domatic, ladder or table top, mine-dipping pool;The grass seed selection Paspalum wettsteinii, opens shallow ridges 3-5 cm, often Mu fully mixes rear uniform broadcasting thoroughly by the kg of Paspalum wettsteinii 1, the kg of compoiste fertilizer 25, the kg of mountain ground surface soil 80;Treat that grass-seed emerges 5 Carry out imposing urea during cm level above, uniformly spread fertilizer over the fields before cloudy day or light rain by 5 kg/mu.
7. the method for being used to administer the discarded ground of khoai in-situ ionic rare earth leaching ore deposit according to claim 1, it is characterised in that: Bottom of slope and ladder or platform plant shrub, the shrub is shrub lespedeza, and seedling is given birth to from 1-2;Planted along on the inside of gutter in bottom of slope Plant 1 row;At ladder or platform, transplanted according to m × 1.5 m of seeding row spacing 1,445 plants/acre of density, Shrub Species plant hole is using cave-shaped Or fish-scale pit site preparation, specification is:Cave top 50 cm × 30 cm of cave bottom × deep 30 cm in cave;In mine-dipping pool plant arbor, the arbor It is sweetgum, Schima superba, mountain Elaeocarpus decipiens, takes the mixed friendship of plum blossom-shaped;M × 2.0 m of seeding row spacing 2.0, density is 167 plants/acre;Arbor is transplanted Cave is using Chinese character pin-shaped site preparation, specification:Cave top 60 cm × 40 cm of cave bottom × deep 40 cm in cave, cave soil is obstructed used in lower section.
8. the method for being used to administer the discarded ground of khoai in-situ ionic rare earth leaching ore deposit according to claim 7, it is characterised in that:It is tall During shrub plant, accomplish that plant is urgent, not nest root;Often spread manuer in holes the kg of calcium superphosphate 0.5, the kg of organic fertilizer 1.5, calcium superphosphate Cave bottom is applied with organic fertilizer, is then fully mixed thoroughly with soil, then backfill to cave is higher by the cm of earth's surface about 5.
9. the method for being used to administer the discarded ground of khoai in-situ ionic rare earth leaching ore deposit according to claim 1, it is characterised in that:It is tall Topdressed then after shrub plant, fertilising vesicle is dug in nearly root behind shrub, and often spread manuer in holes the kg of composite fertilizer 0.15, apply fertilizer bonnet Soil.
10. the method for being used to administer the discarded ground of khoai in-situ ionic rare earth leaching ore deposit according to claim 1, it is characterised in that: Grass-seed, the plant shrub Season select 1-3 months are broadcasted sowing, selection of topdressing is in the 5-6 months.
CN201710046765.2A 2017-01-22 2017-01-22 A kind of method for administering the discarded ground of khoai in-situ ionic rare earth leaching ore deposit Pending CN106818167A (en)

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CN108243854A (en) * 2018-01-29 2018-07-06 国家地质实验测试中心 A kind of greening method in discarded ion type rareearth mining area
CN109005722A (en) * 2018-07-30 2018-12-18 玉溪大红山矿业有限公司 A kind of iron ore waste-rock yard land reclamation comprehensive improvement method
CN109964756A (en) * 2019-05-13 2019-07-05 安徽省鲜可达农业股份有限公司 A kind of implantation methods of asparagus interplanting
CN110420963A (en) * 2019-05-21 2019-11-08 中节能大地环境修复有限公司 The curing method of pollutant in a kind of completely decomposed layer
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
CN110832964A (en) * 2019-09-20 2020-02-25 日昌升建筑新材料设计研究院有限公司 Building aggregate mine in-situ soil improvement and greening method
CN111011117A (en) * 2019-12-26 2020-04-17 福建省林业科学研究院(福建省林业技术发展研究中心、福建省林业生产力促进中心、中国林业科学研究院海西分院) Method for planting cogongrass in castanea henryi forest for preventing and treating water and soil loss
CN113463611A (en) * 2021-07-09 2021-10-01 内蒙古中盛立德环境工程有限公司 Mine treatment system and treatment method
CN113519229A (en) * 2021-07-13 2021-10-22 中铝广西有色稀土开发有限公司 Method for reclaiming and greening ionic rare earth mine area

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Application publication date: 20170613