CN106187596A - A kind of for desulfurated plaster modifying agent improveing carbonate salt-soda soil and preparation method thereof - Google Patents

A kind of for desulfurated plaster modifying agent improveing carbonate salt-soda soil and preparation method thereof Download PDF

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Publication number
CN106187596A
CN106187596A CN201610547323.1A CN201610547323A CN106187596A CN 106187596 A CN106187596 A CN 106187596A CN 201610547323 A CN201610547323 A CN 201610547323A CN 106187596 A CN106187596 A CN 106187596A
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parts
desulfurated plaster
modifying agent
improveing
soda soil
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CN201610547323.1A
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王胜
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Shandong Sunway Garden Technology Co Ltd
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Shandong Sunway Garden Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00Soil-conditioning materials or soil-stabilising materials
    • C09K17/40Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2101/00Agricultural use
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2109/00MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Fertilizers (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention belongs to Saline-alkali Field Control technical field, it is specifically related to a kind of desulfurated plaster modifying agent for improveing carbonate salt-soda soil, by weight percentage, it includes following parts by weight of component to described fertilizer: desulfurated plaster 40 50 parts, feces of livestock and poultry and 20 30 parts of hay leaf, citric acid waste 5 10 parts, 15 parts of ferrous sulfate, 15 parts of flyash, perlite 15 parts, bentonite 5 10 parts, microbial bacterial agent 13 parts, ammonium nitrate 24 parts, potassium dihydrogen phosphate 0.5 1 parts, disodium hydrogen phosphate 0.5 1 parts, 12 parts of magnesium sulfate.Modifying agent prepared by the present invention is adapted to the improvement in carbonate salt-soda soil, and desalination is quick, and treatment cost is low, and using effect is notable.

Description

A kind of for desulfurated plaster modifying agent improveing carbonate salt-soda soil and preparation method thereof
Technical field
The invention belongs to Saline-alkali Field Control technical field, be specifically related to a kind of desulfurization stone for improveing carbonate salt-soda soil Cream modifying agent and preparation method thereof.
Background technology
Saline-alkali soil is solonchak and alkaline earth and various salinization, the general name of alkali-affected soil.Solonchak refers to soluble organic fraction in soil Content reaches to a certain degree, it is possible to the g and D of plant is produced the great soil group substantially endangered.Alkaline earth refers in soil containing big Amount commutativity ion, quantity reaches to endanger the degree of plant growing and growth, and makes the soil that soil property changes. The salinization of soil of soil refers to owing in soil, a large amount of of salt basic ion accumulate, the process that soil types gradually changes to saline-alkali soil, its Influence factor includes natural cause and anthropic factor.Easily there is the phenomenon that hardens in salt affected soil under normal circumstances, causes soil Porosity diminishes, and the gas permeability of soil and water penetration are deteriorated, and badly influence the metabolism of Soil Microorganism, reduce the work of various enzyme Property and carbon, the mineralization degree of nitrogen element, the conversion of soil with organic matter is slack-off, eventually results in soil the barrenst.Soil contains The a large amount of salt ions having also can badly influence the normal physiological function of salt-soda soil plant, suppresses its g and D.It addition, with The continuous aggravation of socioeconomic development and mankind's activity, salt-soda soil resource increasingly receives publicity, and irrational irrigation is made Degree also results in Pedotransfer function aggravation.Second Committee International Sustainable Development conference is just pointed out, the following meeting serious threat world Agricultural sustainable development is the salinization of soil in soil, desertification and the big problem of soil erosion 3.
Desulfurated plaster (English name desulfuration gypsum) is also known as flue gas desulfurization gypsum, sulfur Gypsum Fibrosum or FGD stone Cream, main component is the same with the natural gypsum, for calcium sulphate dihydrate CaSO4·2H2O, content >=93%.Desulfurated plaster is FGD process Side-product, FGD process is a technology using Calx-limestone to reclaim the sulfur dioxide in coal-fired or oily flue gas.Should Technology is Calx-limestone to be ground make serosity, make after dedusting containing SO2Flue gas removed by slurry wash device SO2.Lime slurry and SO2Reaction generates calcium sulfate and calcium sulfite, and calcium sulfite is oxidized changes into calcium sulfate, obtains industry By-product gypsum, referred to as desulfurated plaster.
Gypsum Fibrosum powder is one of five big gel rubber materials, occupies an important position, be widely used in building, build in national economy Numerous applications such as material, industry mould and art model, chemical industry and agricultural, food processing and medicine beauty treatment, are a kind of Important industrial raw materials.Desulfurization gypsum powder is the different of physics from the differentiation of general Gypsum Fibrosum powder, in desulfurization gypsum powder Possibly together with silicon dioxide, sodium oxide, calcium carbonate, calcium sulfite, limestone, calcium chloride, magnesium chloride etc..Compared with other Gypsum Fibrosum powder Relatively, desulfurization gypsum powder has renewable, and granularity is little, stable components, and objectionable impurities content is few, purity high.Currently mainly It is used for producing plasterboard together with the natural gypsum, is additionally widely used in terms of alkaline land improving.Its principle is to utilize Ion exchange is theoretical, replaces the sodium ion in soil colloid with the calcium ion in desulfurated plaster.
Summary of the invention
Invention broadly provides a kind of for desulfurated plaster modifying agent improveing carbonate salt-soda soil and preparation method thereof, The modifying agent of preparation is adapted to the improvement in salt-soda soil, and desalination is quick, and treatment cost is low, and using effect is notable.Its technical scheme is such as Under:
A kind of desulfurated plaster modifying agent for improveing carbonate salt-soda soil, by weight percentage, it includes following heavy Amount part component: desulfurated plaster 40-50 part, feces of livestock and poultry and hay leaf 20-30 part, citric acid waste 5-10 part, ferrous sulfate 1-5 Part, flyash 1-5 part, perlite 1-5 part, bentonite 5-10 part, microbial bacterial agent 1-3 part, ammonium nitrate 2-4 part, biphosphate Potassium 0.5-1 part, disodium hydrogen phosphate 0.5-1 part, magnesium sulfate 1-2 part.
Preferably, described fertilizer also includes the acid-sludge of 5-7 weight portion.
Preferably, described microbial bacterial agent is salt tolerant Azospirillum brasilense, cellulose-decomposing bacterium, Glomus etunicatum and hay The mix bacterium agent of bacillus cereus.
Preferably, the bacterium solution of salt tolerant Azospirillum brasilense, cellulose-decomposing bacterium, Glomus etunicatum and bacillus subtilis adds Entering amount is 1:1:1:1.
Preferably, by weight percentage, described desulfurated plaster modifying agent includes following parts by weight of component: desulfurated plaster 43-47 part, feces of livestock and poultry and hay leaf 25-27 part, citric acid waste 7-8 part, 3 parts of ferrous sulfate, 2 parts of flyash, perlite 2-3 Part, bentonite 7 parts, microbial bacterial agent 1 part, ammonium nitrate 3 parts, potassium dihydrogen phosphate 0.8 part, disodium hydrogen phosphate 0.7 part, magnesium sulfate 1.8 parts, acid-sludge 6 parts.
Preferably, the effective ingredient of desulfurated plaster is CaSO4·2H2O, CaSO4·2H2Content >=93% of O.
The preparation method of a kind of desulfurated plaster modifying agent for improveing carbonate salt-soda soil, comprises the following steps:
(1) desulfurated plaster, citric acid waste, ferrous sulfate, flyash, perlite, bentonite are carried out air-drying pulverizing, and mistake Sieve processes;
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the acid-sludge of formula ratio, microbial bacterial agent, ammonium nitrate, phosphorus Acid dihydride potassium, disodium hydrogen phosphate and magnesium sulfate, carry out sealing and fermenting 15-20 days, turned over every 3-5 days and pushes away once, generates corruption Mixture;
(3) in the mixture of corruption, the desulfurated plaster after pulverizing, citric acid waste, ferrous sulfate, flyash, Margarita are added Rock, bentonite, be uniformly mixed, and obtains desulfurated plaster modifying agent.
Use above-mentioned for desulfurated plaster modifying agent improveing carbonate salt-soda soil and preparation method thereof, the present invention have with Lower advantage:
(1) flyash is the main garbage in thermal power plant, and annual China flyash annual emissions has surpassed hundred million, and produces Amount increases year by year.Local environment protection is brought the biggest pressure by the bulk deposition of flyash, the most also gives the life of people and moves The aspects such as the existence of plant, growth cause serious harm.And containing abundant weight, boron, sulfur, zinc, copper, calcium, magnesium, ferrum in flyash Deng trace element, and quality is loose the bigger space of existence, at the regulation soil moisture and pH value, increases and supplements soil nutrient Composition aspect effect is unique;The aobvious faintly acid of citric acid waste itself can regulate soil, possibly together with a certain amount of organic matter, from comprehensively Use desulfurated plaster effect also good than simple on exercising result;
(2) mix bacterium agent in the present invention can increase vegetation to Na+Absorbtivity so that it is be gathered under ground portion, press down Salt manufacturing divides the transport to top, reduces relative amount, improves the ionic equilibrium in plant body, alleviate the murder by poisoning of salt ion, mixing The infection ability of microbial inoculum and promotion host plant growth aspect will be more preferable than inoculation single culture effect.
Detailed description of the invention
Embodiment 1
1. for improveing the desulfurated plaster modifying agent in carbonate salt-soda soil
A kind of desulfurated plaster modifying agent, by weight percentage, it includes following parts by weight of component: desulfurated plaster 47 parts, Feces of livestock and poultry and 25 parts of hay leaf, citric acid waste 7 parts, 3 parts of ferrous sulfate, 2 parts of flyash, perlite 2 parts, bentonite 7 parts, micro- Bacteria agent 1 part, ammonium nitrate 3 parts, potassium dihydrogen phosphate 0.8 part, disodium hydrogen phosphate 0.7 part, 1.8 parts of magnesium sulfate, acid-sludge 6 parts.
Wherein, microbial bacterial agent be salt tolerant Azospirillum brasilense, cellulose-decomposing bacterium, Glomus etunicatum and hay spore Bacillus prepares according to the bacterium solution addition of 1:1:1:1.
2. the preparation method of modifying agent
(1) desulfurated plaster, citric acid waste, ferrous sulfate, flyash, perlite, bentonite are carried out air-drying pulverizing, and mistake Sieve processes;
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the acid-sludge of formula ratio, microbial bacterial agent, ammonium nitrate, phosphorus Acid dihydride potassium, disodium hydrogen phosphate and magnesium sulfate, carry out sealing and fermenting 15 days, turned over every 3 days and pushes away once, generates the mixing of corruption Thing;
(3) in the mixture of corruption, the desulfurated plaster after pulverizing, citric acid waste, ferrous sulfate, flyash, Margarita are added Rock, bentonite, be uniformly mixed, and obtains desulfurated plaster modifying agent.
Embodiment 2
1. for improveing the desulfurated plaster modifying agent in carbonate salt-soda soil
A kind of desulfurated plaster modifying agent, by weight percentage, it includes following parts by weight of component: desulfurated plaster 40 parts, Feces of livestock and poultry and 20 parts of hay leaf, citric acid waste 5 parts, 1 part of ferrous sulfate, 5 parts of flyash, perlite 3 parts, bentonite 10 parts, Microbial bacterial agent 2 parts, ammonium nitrate 2 parts, potassium dihydrogen phosphate 0.5 part, disodium hydrogen phosphate 1 part, 2 parts of magnesium sulfate, acid-sludge 5 parts.
Wherein, microbial bacterial agent be salt tolerant Azospirillum brasilense, cellulose-decomposing bacterium, Glomus etunicatum and hay spore Bacillus prepares according to the bacterium solution addition of 1:1:1:1.
2. the preparation method of modifying agent
(1) desulfurated plaster, citric acid waste, ferrous sulfate, flyash, perlite, bentonite are carried out air-drying pulverizing, and mistake Sieve processes;
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the acid-sludge of formula ratio, microbial bacterial agent, ammonium nitrate, phosphorus Acid dihydride potassium, disodium hydrogen phosphate and magnesium sulfate, carry out sealing and fermenting 20 days, turned over every 5 days and pushes away once, generates the mixing of corruption Thing;
(3) in the mixture of corruption, the desulfurated plaster after pulverizing, citric acid waste, ferrous sulfate, flyash, Margarita are added Rock, bentonite, be uniformly mixed, and obtains desulfurated plaster modifying agent.
Embodiment 3
1. for improveing the desulfurated plaster modifying agent in carbonate salt-soda soil
A kind of desulfurated plaster modifying agent, by weight percentage, it includes following parts by weight of component: desulfurated plaster 50 parts, Feces of livestock and poultry and 30 parts of hay leaf, citric acid waste 8 parts, 5 parts of ferrous sulfate, 1 part of flyash, perlite 1 part, bentonite 5 parts, micro- Bacteria agent 3 parts, ammonium nitrate 4 parts, potassium dihydrogen phosphate 1 part, disodium hydrogen phosphate 0.5 part, 1 part of magnesium sulfate, acid-sludge 7 parts.
Wherein, microbial bacterial agent be salt tolerant Azospirillum brasilense, cellulose-decomposing bacterium, Glomus etunicatum and hay spore Bacillus prepares according to the bacterium solution addition of 1:1:1:1.
2. the preparation method of modifying agent
(1) desulfurated plaster, citric acid waste, ferrous sulfate, flyash, perlite, bentonite are carried out air-drying pulverizing, and mistake Sieve processes;
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the acid-sludge of formula ratio, microbial bacterial agent, ammonium nitrate, phosphorus Acid dihydride potassium, disodium hydrogen phosphate and magnesium sulfate, carry out sealing and fermenting 17 days, turned over every 4 days and pushes away once, generates the mixing of corruption Thing;
(3) in the mixture of corruption, the desulfurated plaster after pulverizing, citric acid waste, ferrous sulfate, flyash, Margarita are added Rock, bentonite, be uniformly mixed, and obtains desulfurated plaster modifying agent.
Performance detects
1. use the modifying agent of embodiment 1-3 that carbonate salts alkaline earth carries out lab simulation shower test, add up after 20 days Salt dynamics, the results are shown in Table 1.
Soil root system before and after table 1 improvement
As shown in Table 1, use the modifying agent of embodiment 1-3 to after processing carbonate salt-soda soil, soil middle soda content, contain Total salt amount, porosity of soil, the soil weight all have substantially improvement.
2. use the modifying agent of embodiment 1-3 that carbonate salts alkaline earth is improved, plant Plantula Brassicae chinensis during improvement, simultaneously At normal soil with without planting Plantula Brassicae chinensis on the saline-alkali soil of modifying agent, result of the test is as shown in table 2:
Table 2 soil improvement result
As shown in Table 2, modifying agent prepared by the present invention can reduce pH value and the electrical conductivity of soil, improves kind of a plant simultaneously Germination percentage, germination index and vitality index, be beneficial to use to carbonate salt-soda soil.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various Corresponding change and deformation, and all these change and deformation all should belong to the protection domain of the claims in the present invention Within.

Claims (7)

1., for improveing the desulfurated plaster modifying agent in carbonate salt-soda soil, by weight percentage, it includes following weight Part component: desulfurated plaster 40-50 part, feces of livestock and poultry and hay leaf 20-30 part, citric acid waste 5-10 part, ferrous sulfate 1-5 part, Flyash 1-5 part, perlite 1-5 part, bentonite 5-10 part, microbial bacterial agent 1-3 part, ammonium nitrate 2-4 part, potassium dihydrogen phosphate 0.5-1 part, disodium hydrogen phosphate 0.5-1 part, magnesium sulfate 1-2 part.
Desulfurated plaster modifying agent for improveing carbonate salt-soda soil the most according to claim 1, it is characterised in that: described Fertilizer also includes the acid-sludge of 5-7 weight portion.
Desulfurated plaster modifying agent for improveing carbonate salt-soda soil the most according to claim 2, it is characterised in that: micro-life Thing microbial inoculum is the mix bacterium agent of salt tolerant Azospirillum brasilense, cellulose-decomposing bacterium, Glomus etunicatum and bacillus subtilis.
Desulfurated plaster modifying agent for improveing carbonate salt-soda soil the most according to claim 3, it is characterised in that: salt tolerant The bacterium solution addition of Azospirillum brasilense, cellulose-decomposing bacterium, Glomus etunicatum and bacillus subtilis is 1:1:1:1.
Desulfurated plaster modifying agent for improveing carbonate salt-soda soil the most according to claim 4, it is characterised in that: by weight Amount percentages, described desulfurated plaster modifying agent includes following parts by weight of component: desulfurated plaster 43-47 part, feces of livestock and poultry and withered Blade of grass 25-27 part, citric acid waste 7-8 part, 3 parts of ferrous sulfate, 2 parts of flyash, perlite 2-3 part, bentonite 7 parts, microorganism Microbial inoculum 1 part, ammonium nitrate 3 parts, potassium dihydrogen phosphate 0.8 part, disodium hydrogen phosphate 0.7 part, 1.8 parts of magnesium sulfate, acid-sludge 6 parts.
Desulfurated plaster modifying agent for improveing carbonate salt-soda soil the most according to claim 1, it is characterised in that: desulfurization The effective ingredient of Gypsum Fibrosum is CaSO4·2H2O, CaSO4·2H2Content >=93% of O.
7. prepare as claimed in claim 5 for the method improveing the desulfurated plaster modifying agent in carbonate salt-soda soil, its It is characterised by: comprise the following steps:
(1) desulfurated plaster, citric acid waste, ferrous sulfate, flyash, perlite, bentonite are carried out air-drying pulverizing, and place of sieving Reason;
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the acid-sludge of formula ratio, microbial bacterial agent, ammonium nitrate, di(2-ethylhexyl)phosphate Hydrogen potassium, disodium hydrogen phosphate and magnesium sulfate, carry out sealing and fermenting 15-20 days, turned over every 3-5 days and pushes away once, generates the mixing of corruption Thing;
(3) to corruption mixture in add pulverize after desulfurated plaster, citric acid waste, ferrous sulfate, flyash, perlite, Bentonite, is uniformly mixed, and obtains desulfurated plaster modifying agent.
CN201610547323.1A 2016-07-12 2016-07-12 A kind of for desulfurated plaster modifying agent improveing carbonate salt-soda soil and preparation method thereof Withdrawn CN106187596A (en)

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Cited By (7)

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CN107163950A (en) * 2017-06-06 2017-09-15 清华大学 A kind of alkaline earth soil conditioner
CN107216884A (en) * 2017-06-03 2017-09-29 内蒙古中恒材料技术股份有限公司 A kind of alkaline land modifying agent
CN107915522A (en) * 2017-11-30 2018-04-17 潍坊友容实业有限公司 Sandy alkaline land improving fertilizer prepared using thermal power plant's discarded object and preparation method thereof
CN108966723A (en) * 2018-08-08 2018-12-11 天津海林农业科技发展有限公司 A kind of comprehensive regulation method of barged-in fill desalination alkalization
CN109534929A (en) * 2018-12-27 2019-03-29 天津亚德尔生物质科技股份有限公司 A kind of charcoal mixed fertilizer reducing surface soil alkalinity
CN113387756A (en) * 2021-07-06 2021-09-14 石河子大学 Organic fertilizer and preparation method and application thereof
CN115322793A (en) * 2022-09-21 2022-11-11 山东省农业科学院 Saline-alkali soil conditioner capable of increasing soil organic matters and preparation method thereof

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CN103772070A (en) * 2012-10-19 2014-05-07 天津绿之本生物科技有限公司 Special organic fertilizer for improving saline-alkali soil, and preparation method thereof
CN104262046A (en) * 2014-09-12 2015-01-07 瑞昊(北京)环境工程有限公司 Fertilizer for saline-alkali soil and preparation method of fertilizer
CN104956886A (en) * 2015-06-23 2015-10-07 潍坊友容实业有限公司 Brackish water and fresh water rotation irrigation method for saline and alkaline land and application thereof to red clover planting
CN104996115A (en) * 2015-06-23 2015-10-28 潍坊友容实业有限公司 Method for planting suaeda salsa at medium-low-cadmium saline-alkaline land and for extracting plant salt

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CN102304363A (en) * 2011-05-06 2012-01-04 内蒙古禾创农业科技发展有限公司 Composition employing power plant waste and peat and weathered coal resources to improve saline-alkali soil
CN103772070A (en) * 2012-10-19 2014-05-07 天津绿之本生物科技有限公司 Special organic fertilizer for improving saline-alkali soil, and preparation method thereof
CN104262046A (en) * 2014-09-12 2015-01-07 瑞昊(北京)环境工程有限公司 Fertilizer for saline-alkali soil and preparation method of fertilizer
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107216884A (en) * 2017-06-03 2017-09-29 内蒙古中恒材料技术股份有限公司 A kind of alkaline land modifying agent
CN107163950A (en) * 2017-06-06 2017-09-15 清华大学 A kind of alkaline earth soil conditioner
CN107915522A (en) * 2017-11-30 2018-04-17 潍坊友容实业有限公司 Sandy alkaline land improving fertilizer prepared using thermal power plant's discarded object and preparation method thereof
CN108966723A (en) * 2018-08-08 2018-12-11 天津海林农业科技发展有限公司 A kind of comprehensive regulation method of barged-in fill desalination alkalization
CN108966723B (en) * 2018-08-08 2022-01-14 天津海林农业科技发展有限公司 Comprehensive regulation and control method for desalting and alkalizing dredger fill
CN109534929A (en) * 2018-12-27 2019-03-29 天津亚德尔生物质科技股份有限公司 A kind of charcoal mixed fertilizer reducing surface soil alkalinity
CN113387756A (en) * 2021-07-06 2021-09-14 石河子大学 Organic fertilizer and preparation method and application thereof
CN113387756B (en) * 2021-07-06 2023-12-08 石河子大学 Organic fertilizer and preparation method and application thereof
CN115322793A (en) * 2022-09-21 2022-11-11 山东省农业科学院 Saline-alkali soil conditioner capable of increasing soil organic matters and preparation method thereof

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Application publication date: 20161207