CN102674962B - Matrix formula suitable for recovering ion type rare earth tailings vegetation - Google Patents
Matrix formula suitable for recovering ion type rare earth tailings vegetation Download PDFInfo
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 24
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 22
- 239000011159 matrix material Substances 0.000 title abstract description 7
- 239000002689 soil Substances 0.000 claims abstract description 47
- 239000003337 fertilizer Substances 0.000 claims abstract description 32
- 230000008635 plant growth Effects 0.000 claims abstract description 29
- 239000001963 growth medium Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 150000002500 ions Chemical class 0.000 claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004927 clay Substances 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000005696 Diammonium phosphate Substances 0.000 claims abstract description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 10
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims abstract description 10
- 235000019838 diammonium phosphate Nutrition 0.000 claims abstract description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 9
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 9
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 9
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000005416 organic matter Substances 0.000 claims abstract description 9
- 239000011591 potassium Substances 0.000 claims abstract description 9
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 241000196324 Embryophyta Species 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 10
- 235000013311 vegetables Nutrition 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 8
- 239000010452 phosphate Substances 0.000 claims description 8
- 208000006558 Dental Calculus Diseases 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 240000008375 Hymenaea courbaril Species 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 240000002066 Amorpha fruticosa Species 0.000 claims description 2
- 235000004047 Amorpha fruticosa Nutrition 0.000 claims description 2
- 241001518926 Cladrastis Species 0.000 claims description 2
- 244000052363 Cynodon dactylon Species 0.000 claims description 2
- 241001193837 Dalbergia balansae Species 0.000 claims description 2
- 241000208688 Eucommia Species 0.000 claims description 2
- 241000234643 Festuca arundinacea Species 0.000 claims description 2
- 241000279690 Ixora pavetta Species 0.000 claims description 2
- 240000000604 Lespedeza bicolor Species 0.000 claims description 2
- 235000016677 Lespedeza bicolor Nutrition 0.000 claims description 2
- 241000218313 Liriodendron chinense Species 0.000 claims description 2
- 241000209082 Lolium Species 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 241000593218 Paulownia elongata Species 0.000 claims description 2
- 241000610442 Schima superba Species 0.000 claims description 2
- 241000425037 Toona sinensis Species 0.000 claims description 2
- 235000001667 Vitex agnus castus Nutrition 0.000 claims description 2
- 244000063464 Vitex agnus-castus Species 0.000 claims description 2
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 2
- 239000002361 compost Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000000855 fermentation Methods 0.000 claims description 2
- 230000004151 fermentation Effects 0.000 claims description 2
- 239000010903 husk Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 239000010902 straw Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 235000007063 yellowwood Nutrition 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 9
- 239000011574 phosphorus Substances 0.000 abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 9
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 239000003381 stabilizer Substances 0.000 abstract description 2
- 235000015097 nutrients Nutrition 0.000 abstract 2
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 abstract 1
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 abstract 1
- 239000006013 carbendazim Substances 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 239000001103 potassium chloride Substances 0.000 abstract 1
- 235000011164 potassium chloride Nutrition 0.000 abstract 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 abstract 1
- 229910052939 potassium sulfate Inorganic materials 0.000 abstract 1
- 235000011151 potassium sulphates Nutrition 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- -1 rare earth sulfate Chemical class 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000004162 soil erosion Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000019025 Hypokalemia Diseases 0.000 description 1
- 235000006753 Platycodon grandiflorum Nutrition 0.000 description 1
- 240000003582 Platycodon grandiflorus Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000035613 defoliation Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 235000018343 nutrient deficiency Nutrition 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 230000005080 plant death Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 208000007645 potassium deficiency Diseases 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Fertilizers (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a matrix formula suitable for recovering ion type rare earth tailings vegetation, which comprises two parts including a plant growth soil culture medium and fertilizer, wherein the plant growth soil culture medium comprises clay, carbendazim, plant fiber, stabilizing agent, agglomerating agent, organic matter, clear water and seeds; and the fertilizer comprises diammonium phosphate, potassium chloride, potassium sulfate, calcium magnesium phosphate fertilizer, bentonite, compound fertilizer and ammonium sulfate. The matrix formula for recovering the vegetation has the acidity of ion type rare earth tailings soil, has the function of providing nutrient elements such as nitrogen, phosphorus and potassium, and has water-retaining property, nutrient preserving capability and air permeability, thus being suitable for the growth of plants; and a preparation method of the matrix formula is carried out in a layered way, and is low in consumption and operable.
Description
Technical field
The present invention relates to a kind of Revegetation substrate formula, especially a kind of Revegetation substrate formula that is specifically designed to ion type rareearth mine tailing side slope can be widely used in the fields such as soil conservation, mine recovery, territory greening, traffic engineering, urban construction.
Background technology
Patent documentation CN200510047466.8 discloses a kind of plant culture for hill afforestating, formed by bark, balloonflower root, local soil, plant ash, carbon dust, breaking, paper pulp, green stone, fertilizer, grass-seed, flower seed, the seeds of trees, water-holding agent, solidifying agent, tackiness agent, water extracter raw material, be mixed and made into plant culture, the plant culture of making is sowed grass seeds by duster on the massif scar, is the greening backing that a kind of vegetation seed and soil are lumped together.
Patent documentation CN02115391.4 discloses a kind of mixed planting material for rocky slope and equipment thereof, constructional method, described slope of rock mass intermingle raw material are a kind of composition, evenly are mixed with at normal temperatures by soil, organic matter, composite fertilizer, water-holding agent, cement, pH adjusting agent, plant seed and water to form.One of its core content is that cement is used as binding agent.Can find out that from disclosed content the organic content of its mixed planting material (weight percent) is 2.5 ~ 5.0.Plant is take draft as main.
The big area bare side sloping can occur in the rare earth mining process, ion type rareearth mine tailing side slope soil property is loose, and severe water and soil erosion there is not yet Patents for the Revegetation soil base material prescription in this field.In the recovery process of rare earth, need to add a large amount of oxalic acid (H
2C
2O
4) make it to precipitate extraction with the rare earth sulfate solution effect, isolate rare earth oxalate, so contain a large amount of H in the solution
+Remain in the soil, cause soil acidity to increase.NH in the mine tailing
4 +Ion is superfluous, so nitrogen content is abundanter, in addition residual water-soluble SO in a large number in the mine tailing soil
4 2-Ion, these sulfate ions can constantly reduce under the leaching of rainwater, but because the bottom, stockyard is covered with plastic film, so at ponding zone SO
4 2-Ionic concn is relatively high.Plant when absorbing moisture, SO
4 2-Ion is also sucked in the plant materials together, if SO
4 2-Ionic concn is too high, can directly cause murder by poisoning to plant, and slight murder by poisoning can cause plant defoliation, and is heavy then can cause plant death.Because soil depletion, outside denitrogenating, the nutrient deficiencies such as phosphorus, potassium, magnesium and calcium are difficult to be recovered by natural process, perhaps need a very long time, must repair by manual type.As the matrix of plant-growth, must improve soil, this is the key of ion type rareearth ore mine tailing ecological recovery and reconstruction.
Summary of the invention
The object of the present invention is to provide a kind of in and the rare-earth tailing soil acidity, nutritious, produce and low, the effective plant recovery substrate formula of use cost.
Technical scheme of the present invention is: a kind of Revegetation substrate formula that is suitable for the ion type rareearth mine tailing, it is characterized in that, be comprised of plant-growth soil culture medium and fertilizer two portions, this plant-growth soil culture medium is comprised of clay, derosal, vegetable fibre, stablizer, an agent, organic matter, clear water and seed; This fertilizer is comprised of diammonium phosphate, Repone K, vitriolate of tartar, fused(calcium magnesium)phosphate, wilkinite, composite fertilizer and ammonium sulfate.
Each component proportion of described plant-growth soil culture medium is as follows: clay 1m
3Derosal 0.2 ~ 0.5kg; Vegetable fibre 10 ~ 13 kg; Stablizer 1.0 ~ 1.5kg; Granule agent 0.09 ~ 0.15kg; Organic 60 ~ 65kg; Clear water 0.45 ~ 0.6 m
3Seed 4.3 ~ 5.5kg;
Each component ratio of described fertilizer is: diammonium phosphate 1.3 ~ 1.5kg; Repone K 0.5 ~ 0.8kg; Vitriolate of tartar 0.3 ~ 0.5kg; Fused(calcium magnesium)phosphate 5.0 ~ 5.8kg; Wilkinite 8.3 ~ 9.1kg; Composite fertilizer 5.0 ~ 5.6kg; Ammonium sulfate 0.3 ~ 0.9kg.
In the described clay particle dia greater than the coarse sand of 0.02mm and fine content less than 50%.
The raw material of described organic matter includes but not limited to one or more in agricultural crop straw, trees brush wood, rice husk, saw powder, the industrial plant tankage; With raw material through primary election, pulverizing, compost, fermentation, drying, sieve, sterilization, measurement flow make.
The carbon-nitrogen ratio of described organic matter is controlled between 25 ~ 30:1.
Described vegetable fibre is the flocculence lignocellulose.
Described stabilizer function is: the crumb structure of the plant-growth soil culture medium that forms through this preparation method can be stablized lastingly, make substratum have good resistance of rainwater washing against ability, can form a stable thin film layer on the substratum top layer, suppress inner moisture evaporation.Simultaneously again can be when excessive rainfall, rainwater can flow away from the substratum top layer.
Described agent mainly is to make the mud compound that the granuleization reaction occurs in this preparation method, allows substratum form good crumb structure.
Described derosal plays disinfection.The present invention need use cleaning water, and the pH value of described water is 6.5 ~ 7.5, temperature between 15 ~ 25 ℃, must not use dirt, oil-containing, highly basic, strong acid, saliferous large, contain the water harmful to plant-growth such as organic impurity.
Derosal, stablizer, an agent, vegetable fibre all are this area conventional materials.
Edaphic condition for the acid soil of improveing the ion type rareearth mine tailing and nitrogen, phosphorus, potassium deficiency, build the soil matrix that is fit to plant-growth, plant growth medium prescription of the present invention needs the layering preparation, is divided into from bottom to up bottom, middle level, sealing coat and top layer.
The proportioning of the plant-growth soil culture medium of described each layer is all consistent, and its prescription is: clay: 1m
3Derosal: 0.2 ~ 0.5kg; Vegetable fibre: 10 ~ 13 kg; Stablizer: 1.0 ~ 1.5kg; Granule agent: 0.09 ~ 0.15kg; Organic: 60 ~ 65kg; Clear water: 0.45 ~ 0.6 m
3Seed: 4.3 ~ 5.5kg;
The fertilizer formula of described each layer is different, and fertilizer formula is as follows:
Bottom: directly cover on the rare-earth tailing every 1m
3The fertilizer that the plant-growth soil culture medium adds comprises: diammonium phosphate: 1.3 ~ 1.5kg; Repone K: 0.5 ~ 0.8kg; Vitriolate of tartar: 0.3 ~ 0.5kg.Wherein phosphorus and the potassium movability in soil in diammonium phosphate (N∶P ratio is about 1:4) and the Repone K is relatively strong, be placed on bottom and can infiltrate the soil layer depths, reach the purpose of long-term fertilizer, phosphorus, potassium element in the soil are provided, and diammonium phosphate meta-alkalescence, acidic substance that can neutralize ions type rare-earth mineral mine tailing can be selected powdery during use, effect can be better.
Middle level: every 1m
3The plant-growth soil culture medium adds fused(calcium magnesium)phosphate 5.0 ~ 5.8kg.Because it is acid that ion type rareearth ore mine tailing soil is, although full phosphorus, full potassium content are high, the phosphorus of this part, potassium element can not directly be absorbed by plant.This fused(calcium magnesium)phosphate is alkalescence, can provide a large amount of, and the moderate-element such as calcium, magnesium, phosphorus.Alkali wherein divides CaO can precipitate part SO
4 2-Ion, simultaneously in and the too much acidic substance of rare-earth tailing.
Sealing coat: every 1m
3The plant-growth soil culture medium adds wilkinite 8.3 ~ 9.1kg.Wilkinite has very strong water absorbability, can absorption be equivalent to the water of 8 ~ 20 times of own vols and be expanded to 30 times, in water medium, can disperse to be soliquid, and have certain viscosity, thixotropy and an oilness, have plasticity-and cohesiveness with the adulterant of silt etc., stronger cation exchange capacity (CEC) and adsorptive power are arranged.
Top layer (being Seed Layer): every 1m
3The plant-growth soil culture medium adds composite fertilizer: 5.0 ~ 5.6kg; Ammonium sulfate: 0.3 ~ 0.9kg; Seed: 4.3 ~ 5.5kg.The composite fertilizer's nitrogen phosphoris and potassium fertilizer ratio that uses is 13:10:10, and other adds the deficiency that ammonium sulfate can replenish Seedling Stage nitrogen.
A kind of method for preparing above-mentioned ion type rareearth mine tailing Revegetation matrix is characterized in that, prepares at first in accordance with the following steps described plant-growth soil culture medium:
A, proportionally clay, organic matter, vegetable fibre, stablizer, fertilizer and seed are joined in the container that fills proper amount of clear water, uniform stirring obtained the mud compound after 6 ~ 12 minutes; Each component proportion of described plant-growth soil culture medium is: clay: 1m
3Derosal: 0.2 ~ 0.5kg; Vegetable fibre: 10 ~ 13 kg; Stablizer: 1.0 ~ 1.5kg; Granule agent: 0.09 ~ 0.15kg; Organic: 60 ~ 65kg; Clear water: 0.45 ~ 0.6 m
3Seed: 4.3 ~ 5.5kg.
B, inject first proper amount of clear water (temperature is advisable at 15 ℃ ~ 30 ℃) in another container, add the granule agent of prescription quantity again, uniform stirring 10 ~ 15 minutes obtains an agent solution.
In the mud compound that C, the granule agent solution gradation adding A step that the B step is made make, fully mix, until till obviously seeing soil and moisture separating, this reaction process is the soil granular reaction.
The excessive moisture that occurs in the granuleization reaction of D, the C step of draining, the soil that obtains are described plant-growth soil culture medium.
Then each layer fertilizer according to described ratio mixes with the plant-growth soil culture medium for preparing respectively, lays from bottom to top layer layering, is the described substrate formula that is suitable for the Revegetation of ion type rareearth mine tailing.
Advantage of the present invention is: have neutralize ions type rare-earth tailing soil acidity, water conservation, fertilizer conservation, permeable, ventilative, the performance of the nutritive elements such as nitrogen, phosphorus, potassium is provided, extremely be fit to plant-growth; This plant growth culture medium can be sowed grass seeds by duster with spray seeder, has extremely strong erosion resistance, can resist stormy erosion, thoroughly prevents soil water and soil leakage.
Embodiment
The present invention will be further described below in conjunction with specific embodiment:
Embodiment 1
Place: Ganzhou City, Jiangxi Province, rare-earth tailing, gradient 1:0.6, construction in September.
Plant-growth soil culture medium proportioning is as follows:
Clay, 1m
3Derosal, 0.3kg; Vegetable fibre, 11 kg; Stablizer, 1.3kg; The granule agent, 0.11kg; Organic matter, 62kg; Clear water, 0.5 m
3
Each layer fertilizer ratio is as follows:
Every 1m
3The component that clay adds comprises:
Bottom: diammonium phosphate, 1.4kg; Repone K, 0.65kg; Vitriolate of tartar, 0.35kg;
Middle level: fused(calcium magnesium)phosphate, 5.2kg;
Sealing coat: wilkinite, 8.5kg;
Seed Layer: composite fertilizer, 5.3kg; Ammonium sulfate, 0.5kg;
Wherein, the proportioning of plant seed is as follows:
Locust tree, 438g; False indigo, 531 g; Torch tree, 363 g; Yellow wood, 438g; Stem or leaf of Shrub Lespedeza, 438g; Black chaste tree, 438g; Bermuda grass, 30 g; Rye grass, 18 g; Festuca Arundinacea, 30g; Schima superba, 282g; Paulownia elongata, 219g; Fructus Choerospondiatis, 531g; Chinese toon, 438g; Liriodendron chinense, 438g; The bark of eucommia, 375 g; Dalbergia balansae Prain, 312g.
Use this Revegetation substrate formula, the locust tree seed germination was namely arranged in the 7th day after sowing grass seeds by duster, and domatic hydro-thermal in order.Construct after 3 months, vegetation growth state is good, and is domatic multiple green, stoped soil erosion.
Claims (1)
1. a Revegetation substrate formula that is suitable for the ion type rareearth mine tailing is characterized in that its fertilizer is comprised of diammonium phosphate, Repone K, vitriolate of tartar, fused(calcium magnesium)phosphate, wilkinite, composite fertilizer and ammonium sulfate; 1m
3In the plant-growth soil culture medium, each component ratio that adds described fertilizer is: diammonium phosphate: 1.3 ~ 1.5kg; Repone K: 0.5 ~ 0.8kg; Vitriolate of tartar: 0.3 ~ 0.5kg; Fused(calcium magnesium)phosphate: 5.0 ~ 5.8kg; Wilkinite: 8.3 ~ 9.1kg; Composite fertilizer: 5.0 ~ 5.6kg; Ammonium sulfate: 0.3 ~ 0.9kg; Described Revegetation substrate formula needs the layering preparation, is divided into from bottom to up bottom, middle level, sealing coat and top layer;
The fertilizer formula of described each layer is different, and fertilizer formula is as follows:
Bottom: directly cover on the rare-earth tailing every 1m
3The plant-growth soil culture medium adds diammonium phosphate 1.3 ~ 1.5kg; Repone K 0.5 ~ 0.8kg; Vitriolate of tartar 0.3 ~ 0.5kg;
Middle level: every 1m
3The plant-growth soil culture medium adds fused(calcium magnesium)phosphate 5.0 ~ 5.8kg;
Sealing coat: every 1m
3The plant-growth soil culture medium adds wilkinite 8.3 ~ 9.1kg;
Top layer: every 1m
3The plant-growth soil culture medium adds composite fertilizer 5.0 ~ 5.6kg; Ammonium sulfate 0.3 ~ 0.9kg; Seed 4.3 ~ 5.5kg; Nitrogen phosphoris and potassium fertilizer ratio in the described composite fertilizer is 13:10:10;
Each component proportion of described plant-growth soil culture medium is as follows: clay 1m
3Derosal 0.2 ~ 0.5kg; Vegetable fibre 10 ~ 13 kg; Stablizer 1.0 ~ 1.5kg; Granule agent 0.09 ~ 0.15kg; Organic 60 ~ 65kg; Clear water 0.45 ~ 0.6 m
3Seed 4.3 ~ 5.5kg;
In the described clay particle dia greater than the coarse sand of 0.02mm and fine content less than 50%;
The raw material of described organic matter includes but not limited to one or more in agricultural crop straw, trees brush wood, rice husk, saw powder, the industrial plant tankage; With raw material through primary election, pulverizing, compost, fermentation, drying, sieve, sterilization, measurement flow make; The carbon-nitrogen ratio of described organic matter is controlled between 25 ~ 30:1;
Described vegetable fibre is the flocculence lignocellulose;
Described seed is specifically selected: locust tree, false indigo, torch tree, yellow wood, Stem or leaf of Shrub Lespedeza, black chaste tree, Bermuda grass, rye grass, Festuca Arundinacea, Schima superba, Paulownia elongata, Fructus Choerospondiatis, Chinese toon, Liriodendron chinense, the bark of eucommia and Dalbergia balansae Prain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210137521 CN102674962B (en) | 2012-05-07 | 2012-05-07 | Matrix formula suitable for recovering ion type rare earth tailings vegetation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210137521 CN102674962B (en) | 2012-05-07 | 2012-05-07 | Matrix formula suitable for recovering ion type rare earth tailings vegetation |
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