CN105950176A - Acidic soil conditioner - Google Patents
Acidic soil conditioner Download PDFInfo
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- CN105950176A CN105950176A CN201610453697.7A CN201610453697A CN105950176A CN 105950176 A CN105950176 A CN 105950176A CN 201610453697 A CN201610453697 A CN 201610453697A CN 105950176 A CN105950176 A CN 105950176A
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- feces
- improving agent
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- 239000003516 soil conditioner Substances 0.000 title abstract description 7
- 230000002378 acidificating effect Effects 0.000 title abstract 2
- 239000002689 soil Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 210000003608 fece Anatomy 0.000 claims abstract description 17
- 239000003337 fertilizer Substances 0.000 claims abstract description 16
- 239000010881 fly ash Substances 0.000 claims abstract description 13
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 12
- 241001330002 Bambuseae Species 0.000 claims abstract description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 12
- 239000011425 bamboo Substances 0.000 claims abstract description 12
- 239000000440 bentonite Substances 0.000 claims abstract description 12
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000001540 sodium lactate Substances 0.000 claims abstract description 12
- 229940005581 sodium lactate Drugs 0.000 claims abstract description 12
- 235000011088 sodium lactate Nutrition 0.000 claims abstract description 12
- 235000021419 vinegar Nutrition 0.000 claims abstract description 12
- 239000000052 vinegar Substances 0.000 claims abstract description 12
- 239000005416 organic matter Substances 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 6
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 239000010871 livestock manure Substances 0.000 claims abstract description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 11
- 229910021538 borax Inorganic materials 0.000 claims description 11
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 11
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 11
- 229940072033 potash Drugs 0.000 claims description 11
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 11
- 235000015320 potassium carbonate Nutrition 0.000 claims description 11
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 11
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 claims description 11
- SRFKWQSWMOPVQK-UHFFFAOYSA-K sodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate;iron(2+) Chemical compound [Na+].[Fe+2].OC(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O SRFKWQSWMOPVQK-UHFFFAOYSA-K 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 241000283690 Bos taurus Species 0.000 claims description 2
- 241000282898 Sus scrofa Species 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 235000013311 vegetables Nutrition 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims 1
- 239000004071 soot Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 5
- 241000196324 Embryophyta Species 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 208000035240 Disease Resistance Diseases 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 230000008635 plant growth Effects 0.000 abstract description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 1
- WZISDKTXHMETKG-UHFFFAOYSA-H dimagnesium;dipotassium;trisulfate Chemical compound [Mg+2].[Mg+2].[K+].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O WZISDKTXHMETKG-UHFFFAOYSA-H 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 abstract 1
- 230000008121 plant development Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- LEZAYTDLNNEFJT-UHFFFAOYSA-N tetracosasodium octaborate tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] LEZAYTDLNNEFJT-UHFFFAOYSA-N 0.000 abstract 1
- 230000001976 improved effect Effects 0.000 description 5
- 239000002881 soil fertilizer Substances 0.000 description 5
- 230000012010 growth Effects 0.000 description 4
- 239000004016 soil organic matter Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention provides an acidic soil conditioner which is composed of the following components in parts by weight: 5-10 parts of ferrisodium ethylenediamine tetraacetate, 5-10 parts of bentonite, 5-15 parts of sodium octaborate tetrahydrate, 30-50 parts of fly ash, 15-25 parts of manure, 15-25 parts of activated sludge, 15-25 parts of organic matter, 0.5-1.5 parts of sodium lactate, 10-20 parts of potassium magnesium sulfate fertilizer and 15-25 parts of bamboo vinegar solution. The raw materials follow the environmental protection principle, thereby changing wastes into valuable substances, fully utilizing the waste resources and avoiding environmental pollution. By using the reasonable proportioning, various raw materials are synergistic, thereby regulating the soil pH, increasing the organic matter content of soil, improving the soil structure, balancing the fertilizer and water retaining capacity of the soil, obviously lowering the heavy metals and harmful elements in the soil, promoting the plant growth and development, enhancing the disease resistance of plants, and improving the crop yield and mouthfeel.
Description
Technical field
The present invention relates to technical field of land improvement, be specifically related to a kind of acid soil improving agent.
Background technology
Soil be crops rely growth material base, the soil organism number, soil fertilizer water holding capacity strong
Weak, soil sticks quality of the power of principal characteristic, soil aeration ability etc. and the growth of plant is had decisive role.In long-term agriculture
During industry produces, to the demand of grain and pursue grain yield in order to meet ever-increasing population, along with the rise of chemical products,
The a large amount of unreasonable use chemical fertilizer of people and pesticide, the residual hazard composition such as substantial amounts of heavy metal, hormone ultimately results in soil quality
Deteriorate, the content of organic matter reduces, soil fertilizer water holding capacity weakens, soil sticks that principal characteristic is extremely strong, soil aeration ability and soil
Earth hardens, the reduction of soil internal pH, the minimizing of slag cation, toxic metal ions activity increase etc. are unfavorable for crop growth
Consequence, have a strong impact on crops normal growth and yield and reduce the mouthfeel of food, healthy to the mankind brings
Harm.
In order to improve Soil structure, improving soil fertility, various soil conditioners continue to bring out, but current modifying agent
There are still some shortcomings, need improvements: the improvement cycle is long, and the persistent period is too short；Add chemical fertilizer, improved effect
Difference；Complicated component, cost is high, promotes limited；Each proportioning raw materials is unreasonable, causes polluting further and destroying soil；Make
With single, specific aim is the strongest.
Therefore exploitation one can be effectively improved soil organic matter content, regulate soil pH value, improves Soil structure, strengthens soil
Before earth fertilizer conservation water holding capacity, the soil conditioner of the reasonable mixture ratio changing toxic metals existing forms are highly desirable to and promote
Scape.
Summary of the invention
It is an object of the invention to, it is provided that one can be effectively improved soil organic matter content, regulation soil pH value, improve soil
Earth structure, strengthens the acid soil improving agent of the reasonable mixture ratio of soil fertilizer water holding capacity, change toxic metals existing forms.
For solving above-mentioned technical problem, it is achieved above-mentioned purpose, technical scheme is as follows:
A kind of acid soil improving agent of the present invention, is made up of the component of following weight portion: EDTA-Fe
Sodium 5～10 parts, bentonite 5～10 parts, four water eight sodium borate 5～15 parts, flyash 30～50 parts, feces 15～25 parts, activity
Mud 15～25 parts, organic 15～25 parts, sodium lactate 0.5～1.5 parts, potash magnesium sulphate fertilizer 10～20 parts, Bamboo vinegar solution 15～25
Part.
Preferably, a kind of acid soil improving agent, it is made up of the component of following weight portion: sodium iron ethylenediaminetetraacetate 7～8
Part, bentonite 7～9 parts, four water eight sodium borate 8～12 parts, flyash 35～45 parts, feces 18～22 parts, activated sludge 18～
22 parts, organic 18～22 parts, sodium lactate 0.8～1.2 parts, potash magnesium sulphate fertilizer 12～18 parts, Bamboo vinegar solution 17～23 parts.
Preferably, a kind of acid soil improving agent, it is made up of the component of following weight portion: sodium iron ethylenediaminetetraacetate 8 parts,
Bentonite 8 parts, four water eight sodium borate 10 parts, 40 parts of flyash, 20 parts of feces, activated sludge 20 parts, organic 20 parts, sodium lactate
1 part, potash magnesium sulphate fertilizer 15 parts, Bamboo vinegar solution 20 parts.
Preferably, described flyash particle diameter is 300-400 mesh, water content 8%-10%.
Preferably, described feces be human faecal mass, cattle manure just, the mixture of swine excrement.
Preferably, described organic matter is the fermented rear formation of fruit/vegetable waste, and the content of organic matter is 6-12%, pH
6.8-7.2。
Beneficial effect: the principle of environmental protection followed by raw material of the present invention, turns waste into wealth, and makes full use of waste resource, it is to avoid environment
Pollute, by rational proportion, make each raw material coordinate potentiation, it is achieved that regulation soil pH, increase soil organic matter content, improvement soil
Earth structure, balanced soil fertilizer conservation water holding capacity, significantly reduce heavy metal-polluted soil and harmful element, promotion plant growing and growth,
Strengthen disease resistance of plant, the yield improving crops and eating mouth feel.
Detailed description of the invention
Below by specific embodiment, the present invention is described further, but embodiment is not limiting as the protection of the present invention
Scope.
Embodiment 1
Sodium iron ethylenediaminetetraacetate 5 parts, bentonite 5 parts, four water eight sodium borate 5 parts, 30 parts of flyash, 15 parts of feces, work
Property 15 parts of mud, organic 15 parts, sodium lactate 0.5 part, potash magnesium sulphate fertilizer 10 parts, Bamboo vinegar solution 15 parts.
Embodiment 2
Sodium iron ethylenediaminetetraacetate 10 parts, bentonite 10 parts, four water eight sodium borate 15 parts, 50 parts of flyash, 25 parts of feces,
Activated sludge 25 parts, organic matter 25 parts, sodium lactate 1.5 parts, potash magnesium sulphate fertilizer 20 parts, Bamboo vinegar solution 25 parts.
Embodiment 3
Sodium iron ethylenediaminetetraacetate 7 parts, bentonite 7 parts, four water eight sodium borate 8 parts, 35 parts of flyash, 18 parts of feces, work
Property 18 parts of mud, organic 18 parts, sodium lactate 0.8 part, potash magnesium sulphate fertilizer 12 parts, Bamboo vinegar solution 17 parts.
Embodiment 4
Sodium iron ethylenediaminetetraacetate 8 parts, bentonite 9 parts, four water eight sodium borate 12 parts, 45 parts of flyash, 22 parts of feces, work
Property 22 parts of mud, organic 22 parts, sodium lactate 1.2 parts, potash magnesium sulphate fertilizer 18 parts, Bamboo vinegar solution 23 parts.
Embodiment 5
Sodium iron ethylenediaminetetraacetate 8 parts, bentonite 8 parts, four water eight sodium borate 10 parts, 40 parts of flyash, 20 parts of feces, work
Property 20 parts of mud, organic 20 parts, sodium lactate 1 part, potash magnesium sulphate fertilizer 15 parts, Bamboo vinegar solution 20 parts.
Dilute 150 times when described soil conditioner uses in a conventional manner, execute by the way of irrigation and water in ground
Or pass through
Confirmatory experiment
Choosing one piece of empty test field, its random division becomes 6 regions, the area in each region is 30 square metres, so
After, soil conditioner described in embodiment 1,2,3,4,5 being diluted 150 times respectively and sprays respectively in wherein 5 regions, matched group is not
Use any modifying agent, after spraying 1 hour, 3 hours, within 5 hours, extract the soil sample of 5cm depths, measure its pH value.As
Shown in table 1.
To sum up showing, the pH of soil can effectively be improved by the soil conditioner of the present invention, uses soil conditioner of the present invention
After acid ground pH close to neutral, the growth promoter of suitable various crops, yield and the eating mouth feel of crops be improved,
Simultaneously can also soil with organic matter content increases, soil fertilizer water holding capacity balance, heavy metal-polluted soil and harmful element significantly drop
Low, disease resistance of plant strengthens.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted.Although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent, and without deviating from the scope of technical solution of the present invention, it all should contain the power in the present invention
In profit claimed range.
Claims (6)
1. an acid soil improving agent, it is characterised in that be made up of the component of following weight portion: sodium iron ethylenediaminetetraacetate
5～10 parts, bentonite 5～10 parts, four water eight sodium borate 5～15 parts, flyash 30～50 parts, feces 15～25 parts, activity dirt
Mud 15～25 parts, organic 15～25 parts, sodium lactate 0.5～1.5 parts, potash magnesium sulphate fertilizer 10～20 parts, Bamboo vinegar solution 15～25 parts.
2. a kind of acid soil improving agent as claimed in claim 1, it is characterised in that be made up of the component of following weight portion:
Sodium iron ethylenediaminetetraacetate 7～8 parts, bentonite 7～9 parts, four water eight sodium borate 8～12 parts, flyash 35～45 parts, feces
18～22 parts, activated sludge 18～22 parts, organic 18～22 parts, sodium lactate 0.8～1.2 parts, potash magnesium sulphate fertilizer 12～18 parts,
Bamboo vinegar solution 17～23 parts.
3. a kind of acid soil improving agent as claimed in claim 1, it is characterised in that be made up of the component of following weight portion:
Sodium iron ethylenediaminetetraacetate 8 parts, bentonite 8 parts, four water eight sodium borate 10 parts, 40 parts of flyash, 20 parts of feces, activated sludge
20 parts, organic 20 parts, sodium lactate 1 part, potash magnesium sulphate fertilizer 15 parts, Bamboo vinegar solution 20 parts.
4. a kind of acid soil improving agent as described in claim 1-3 any one, it is characterised in that described fine coal soot particle
Footpath is 300-400 mesh, water content 8%-10%.
5. a kind of acid soil improving agent as described in claim 1-3 any one, it is characterised in that described feces is behaved
Feces, cattle manure just, the mixture of swine excrement.
6. a kind of acid soil improving agent as described in claim 1-3 any one, it is characterised in that described organic matter
For the fermented rear formation of fruit/vegetable waste, the content of organic matter is 6-12%, pH 6.8-7.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610453697.7A CN105950176A (en) | 2016-06-22 | 2016-06-22 | Acidic soil conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610453697.7A CN105950176A (en) | 2016-06-22 | 2016-06-22 | Acidic soil conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105950176A true CN105950176A (en) | 2016-09-21 |
Family
ID=56906266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610453697.7A Pending CN105950176A (en) | 2016-06-22 | 2016-06-22 | Acidic soil conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105950176A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573943A (en) * | 2017-09-01 | 2018-01-12 | 展亚男 | A kind of composite on the discarded ground of repairing mine and its preparation method and application |
| CN109507389A (en) * | 2018-11-12 | 2019-03-22 | 崔维佳 | Organic farmland monitoring method and system |
| CN109943343A (en) * | 2019-04-12 | 2019-06-28 | 新乡学院 | A kind of soil conditioner for garden planting and preparation method thereof |
| CN110172350A (en) * | 2019-06-13 | 2019-08-27 | 中国神华能源股份有限公司 | A kind of method of acid soil improving agent and preparation method thereof and improvement acid soil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573943A (en) * | 2017-09-01 | 2018-01-12 | 展亚男 | A kind of composite on the discarded ground of repairing mine and its preparation method and application |
| CN109507389A (en) * | 2018-11-12 | 2019-03-22 | 崔维佳 | Organic farmland monitoring method and system |
| CN109943343A (en) * | 2019-04-12 | 2019-06-28 | 新乡学院 | A kind of soil conditioner for garden planting and preparation method thereof |
| CN110172350A (en) * | 2019-06-13 | 2019-08-27 | 中国神华能源股份有限公司 | A kind of method of acid soil improving agent and preparation method thereof and improvement acid soil |
| CN110172350B (en) * | 2019-06-13 | 2020-10-30 | 中国神华能源股份有限公司 | Acid soil conditioner, preparation method thereof and method for improving acid soil |
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Application publication date: 20160921 |