CN106190147A - Chiltern salt-soda soil improvement of special agent prescription and modification method thereof - Google Patents
Chiltern salt-soda soil improvement of special agent prescription and modification method thereof Download PDFInfo
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- 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
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- C05G—MIXTURES 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
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Abstract
The invention belongs to Saline-alkali Field Control technical field, it is specifically related to a kind of chiltern salt-soda soil improvement of special agent prescription and modification method thereof, by weight percentage, it includes following parts by weight of component to described modifying agent: desulfurated plaster 40 50 parts, magnetizable powder coal ash 15 18 parts, magnetization troilite ash 20 25 parts, Lauxite 10 15 parts, humic acids 30 35 parts, perlite 6 10 parts, farm manure 15 20 parts, straw 5 10 parts, water-retaining agent 12 parts, microbial nutrition composition 24 parts, microbial bacterial agent 12 parts.Modifying agent prepared by the present invention is adapted to the improvement in chiltern salt-soda soil, and desalination is quick, and treatment cost is low, and using effect is notable.
Description
Technical field
The invention belongs to Saline-alkali Field Control technical field, be specifically related to a kind of chiltern salt-soda soil improvement of special agent prescription and
Modification method.
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.
China proceeded by magnetic fertilizer, magnetizable powder coal ash, the research of magnetization tail iron mine from the seventies.Obtain after the eighties
Breaking through, magnetizable powder coal ash develops faster should obtain agriculturally, treatment in accordance with local conditions establish many magnetic fertilizer factories.90 years
For researcher, geobiont theory of magnetism is combined with magnetization technology and scientific formula fertilizer practice, by flyash by force
Polarize under magnetic field, be manufactured that China's first batch of flyash magnetic composite fertilizer, promoting economic development, social progress and environmental conservation
Side produces important function.Magnetized fly-ash fertilizer can cultivate soil fertility with improved soil nodule structure, improves crop fertile to other
The utilization rate of material, reduces the amount of application of chemical fertilizer of simple substance, alleviates owing to seven caused that use greatly of chemical fertilizer are hardened phenomenon.
Summary of the invention
Invention broadly provides a kind of chiltern salt-soda soil improvement of special agent prescription and modification method, the modifying agent of preparation
Being adapted to the improvement in grittiness salt-soda soil, desalination is quick, and treatment cost is low, and using effect is notable.Its technical scheme is as follows:
A kind of chiltern salt-soda soil improvement of special agent prescription, by weight percentage, it includes following parts by weight of component: desulfurization
Gypsum Fibrosum 40-50 part, magnetizable powder coal ash 15-18 part, magnetization troilite ash 20-25 part, Lauxite 10-15 part, humic acids 30-35
Part, perlite 6-10 part, farm manure 15-20 part, straw 5-10 part, water-retaining agent 1-2 part, microbial nutrition composition 2-4 part, micro-life
Thing microbial inoculum 1-2 part.
Preferably, by weight percentage, described modifying agent formula includes following parts by weight of component: desulfurated plaster 45 parts,
Magnetizable powder coal ash 16 parts, magnetization troilite ash 22 parts, Lauxite 13 parts, humic acids 32 parts, perlite 8 parts, farm manure 17 parts,
Straw 7 parts, water-retaining agent 1 part, microbial nutrition composition 3 parts, microbial bacterial agent 1 part.
Preferably, described microbial nutrition composition is made up of nicotinic acid, glucose, aminoacid, vitamin.
Preferably, nicotinic acid, glucose, aminoacid, the mass ratio of vitamin are 1:2:0.5:0.5.
Preferably, microbial bacterial agent is trichoderma reesei, salt tolerant Azospirillum brasilense and the mix bacterium agent of cellulose-decomposing bacterium.
Preferably, the bacterium solution addition of trichoderma reesei, Glomus etunicatum and bacillus subtilis is 1:2:2.
Preferably, magnetized flyash content of soluble silicon in high-temperature quenching Water Quenching, magnetized flyash is
20-25%.
Preferably, the effective ingredient of desulfurated plaster is CaSO4·2H2O, CaSO4·2H2Content >=93% of O, farm manure
For feces of livestock and poultry.
A kind of chiltern salt-soda soil improvement of special agent prescription, for the method improveing chiltern salt-soda soil, comprises the following steps:
(1) being turned in the salt-soda soil intending improvement annual 2, March, ploughed depth is not less than 70cm；
(2) enclosing and cultivating salt-soda soil periphery and deep-cut irrigation canals and ditches turning over, the spacing of irrigation canals and ditches is 110m, and the degree of depth is 3-4m, and width is 1m；
(3) being uniformly blended into by modifying agent formula on the salt-soda soil turned over, dose is every mu 35-40 kilogram；
(4) utilize natural precipitation or manual priming that saline-alkali soil is sprayed；
(5) turf plant on the salt-soda soil processed, after plantation, then spreads the thick improvement of 1cm on saline-alkali soil surface
Agent divides evaporation preventing water.
Preferably, the preparation method of described modifying agent formula is as follows:
(1) desulfurated plaster, magnetizable powder coal ash, magnetization troilite ash, pyrite, Lauxite, perlite, water-retaining agent are entered
Sector-style dry grinding, and process of sieving；
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the humic acids of formula ratio, farm manure, straw, microorganism
Nutritional labeling and microbial bacterial agent, 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) in the mixture of corruption, add the desulfurated plaster after pulverizing, magnetizable powder coal ash, magnetization troilite ash, Huang Tie
Ore deposit, Lauxite, perlite, water-retaining agent, be uniformly mixed, and obtains chiltern salt-soda soil improvement of special agent prescription.
Use above-mentioned for chiltern salt-soda soil improvement of special agent prescription and modification method thereof, the invention have the advantages that
(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 compound fertilizer that the ardealite of the present invention and Lauxite are formed, can root system of plant, microorganism,
The common effect of soil and water is lower slowly decomposes, and has good fertilizer efficiency to plant, can effectively control the release of fertilizer efficiency
Journey, forms a kind of phosphogypsum sustained-controlled Chemical Mixed Fertilizer；
(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, flora
Soil harmful levels of pathogens can be suppressed, such as mycete, the growth of root-rot bacterium, moreover it is possible to solid and gas, phosphorus decomposing, provide macrometabolic element for crop
Matter, raising ground temperature, alleviation soil compaction situation, improvement soil physical and chemical property, increase soil aggregate, raising soil heat preservation,
Fertilizer conservation, permeability and absorbability, decompose residual pesticide, prevents the salinization of soil, solves continuous cropping disease problem, improves other fertile
The utilization ratio of material and absorbance, reduce cost of investment；
(3) denitrogenate during silicon is growing process, the nutrient of the 4th needs outside phosphorus, potassium, in flyash, silicon contains
How amount up to 50～60%, but soluble silicon only accounts for about 5%, therefore, improve Determination of Soluble Silicon and become as key, this
By by magnetic powder coal ash high-temperature quenching Water Quenching in bright, Determination of Soluble Silicon is made to reach 15～20%, the beneficially suction of plant
Receive and utilize；
(4) magnetic carrier (flyash and troilite ash) is added organic fertilizer by the present invention, and injects the micro-life after expansion
Thing microbial inoculum, forms magnetic compound fertiliser, and the compound fertilizer after magnetization makes the crumb structure that Zinc fractions is more, and the increase of soil magnetism is also
Soil physico-chemical property can be produced impact, increase soil colloids amount of negative charge and cation exchange capacity (CEC), promote mineral
Nutrition converts, dissolves, and is easily absorbed by crop root.The modifying agent nutrition of the present invention is wide in variety, obligate strong, the physical and chemical indexes of crop
Stable, mutual rush effect is excellent, and chiltern salt-soda soil is had excellent using effect.
Detailed description of the invention
Embodiment 1
1. for improveing the modifying agent formula in chiltern salt-soda soil
A kind of modifying agent formula, by weight percentage, it includes following parts by weight of component: desulfurated plaster 45 parts, magnetization
16 parts of flyash, magnetization troilite ash 22 parts, Lauxite 13 parts, humic acids 32 parts, perlite 8 parts, farm manure 17 parts, straw
7 parts, water-retaining agent 1 part, microbial nutrition composition 3 parts, microbial bacterial agent 1 part.
Wherein, described microbial nutrition composition is that nicotinic acid, glucose, aminoacid, vitamin are according to the matter of 1:2:0.5:0.5
Amount ratio prepares.
Microbial bacterial agent is that trichoderma reesei, salt tolerant Azospirillum brasilense and cellulose-decomposing bacterium add according to the bacterium solution of 1:2:2
Enter amount to prepare.
In magnetizable powder coal ash, the content of soluble silicon is 20%.
2. the preparation method of modifying agent
(1) desulfurated plaster, magnetizable powder coal ash, magnetization troilite ash, pyrite, Lauxite, perlite, water-retaining agent are entered
Sector-style dry grinding, and process of sieving；
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the humic acids of formula ratio, farm manure, straw, microorganism
Nutritional labeling and microbial bacterial agent, carry out sealing and fermenting 15 days, turned over every 3 days and pushes away once, generates the mixture of corruption；
(3) in the mixture of corruption, add the desulfurated plaster after pulverizing, magnetizable powder coal ash, magnetization troilite ash, Huang Tie
Ore deposit, Lauxite, perlite, water-retaining agent, be uniformly mixed, and obtains chiltern salt-soda soil improvement of special agent prescription.
3. modifying agent formula is for the method improveing chiltern salt-soda soil
(1) being turned in the salt-soda soil intending improvement annual 2, March, ploughed depth is not less than 70cm；
(2) enclosing and cultivating salt-soda soil periphery and deep-cut irrigation canals and ditches turning over, the spacing of irrigation canals and ditches is 110m, and the degree of depth is 3m, and width is 1m；
(3) being uniformly blended into by modifying agent formula on the salt-soda soil turned over, dose is 35 kilograms every mu；
(4) utilize natural precipitation or manual priming that saline-alkali soil is sprayed；
(5) turf plant on the salt-soda soil processed, after plantation, then spreads the thick improvement of 1cm on saline-alkali soil surface
Agent divides evaporation preventing water.
Embodiment 2
1. for improveing the modifying agent formula in chiltern salt-soda soil
A kind of modifying agent formula, by weight percentage, it includes following parts by weight of component: desulfurated plaster 40 parts, magnetization
18 parts of flyash, magnetization troilite ash 20 parts, Lauxite 15 parts, humic acids 35 parts, perlite 6 parts, farm manure 15 parts, straw
10 parts, water-retaining agent 1 part, microbial nutrition composition 4 parts, microbial bacterial agent 2 parts.
Wherein, described microbial nutrition composition is that nicotinic acid, glucose, aminoacid, vitamin are according to the matter of 1:2:0.5:0.5
Amount ratio prepares.
Microbial bacterial agent is that trichoderma reesei, salt tolerant Azospirillum brasilense and cellulose-decomposing bacterium add according to the bacterium solution of 1:2:2
Enter amount to prepare.
In magnetizable powder coal ash, the content of soluble silicon is 25%.
2. the preparation method of modifying agent
(1) desulfurated plaster, magnetizable powder coal ash, magnetization troilite ash, pyrite, Lauxite, perlite, water-retaining agent are entered
Sector-style dry grinding, and process of sieving；
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the humic acids of formula ratio, farm manure, straw, microorganism
Nutritional labeling and microbial bacterial agent, carry out sealing and fermenting 18 days, turned over every 4 days and pushes away once, generates the mixture of corruption；
(3) in the mixture of corruption, add the desulfurated plaster after pulverizing, magnetizable powder coal ash, magnetization troilite ash, Huang Tie
Ore deposit, Lauxite, perlite, water-retaining agent, be uniformly mixed, and obtains chiltern salt-soda soil improvement of special agent prescription.
3. modifying agent formula is for the method improveing chiltern salt-soda soil
(1) being turned in the salt-soda soil intending improvement annual 2, March, ploughed depth is not less than 70cm；
(2) enclosing and cultivating salt-soda soil periphery and deep-cut irrigation canals and ditches turning over, the spacing of irrigation canals and ditches is 110m, and the degree of depth is 3m, and width is 1m；
(3) being uniformly blended into by modifying agent formula on the salt-soda soil turned over, dose is 38 kilograms every mu；
(4) utilize natural precipitation or manual priming that saline-alkali soil is sprayed；
(5) turf plant on the salt-soda soil processed, after plantation, then spreads the thick improvement of 1cm on saline-alkali soil surface
Agent divides evaporation preventing water.
Embodiment 3
1. for improveing the modifying agent formula in chiltern salt-soda soil
A kind of modifying agent formula, by weight percentage, it includes following parts by weight of component: desulfurated plaster 50 parts, magnetization
15 parts of flyash, magnetization troilite ash 25 parts, Lauxite 10 parts, humic acids 30 parts, perlite 10 parts, farm manure 120 parts, straw
Stalk 5 parts, water-retaining agent 2 parts, microbial nutrition composition 2 parts, microbial bacterial agent 1 part.
Wherein, described microbial nutrition composition is that nicotinic acid, glucose, aminoacid, vitamin are according to the matter of 1:2:0.5:0.5
Amount ratio prepares.
Microbial bacterial agent is that trichoderma reesei, salt tolerant Azospirillum brasilense and cellulose-decomposing bacterium add according to the bacterium solution of 1:2:2
Enter amount to prepare.
In magnetizable powder coal ash, the content of soluble silicon is 23%.
2. the preparation method of modifying agent
(1) desulfurated plaster, magnetizable powder coal ash, magnetization troilite ash, pyrite, Lauxite, perlite, water-retaining agent are entered
Sector-style dry grinding, and process of sieving；
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the humic acids of formula ratio, farm manure, straw, microorganism
Nutritional labeling and microbial bacterial agent, carry out sealing and fermenting 20 days, turned over every 5 days and pushes away once, generates the mixture of corruption；
(3) in the mixture of corruption, add the desulfurated plaster after pulverizing, magnetizable powder coal ash, magnetization troilite ash, Huang Tie
Ore deposit, Lauxite, perlite, water-retaining agent, be uniformly mixed, and obtains chiltern salt-soda soil improvement of special agent prescription.
3. modifying agent formula is for the method improveing chiltern salt-soda soil
(1) being turned in the salt-soda soil intending improvement annual 2, March, ploughed depth is not less than 70cm；
(2) enclosing and cultivating salt-soda soil periphery and deep-cut irrigation canals and ditches turning over, the spacing of irrigation canals and ditches is 110m, and the degree of depth is 3m, and width is 1m；
(3) being uniformly blended into by modifying agent formula on the salt-soda soil turned over, dose is 40 kilograms every mu；
(4) utilize natural precipitation or manual priming that saline-alkali soil is sprayed；
(5) turf plant on the salt-soda soil processed, after plantation, then spreads the thick improvement of 1cm on saline-alkali soil surface
Agent divides evaporation preventing water.
Performance detects
1. use the modifying agent of embodiment 1-3 that chiltern saline-alkali soil carries out lab simulation shower test, add up after 12 months
Salt dynamics, the results are shown in Table 1.
Soil root system before and after table 1 improvement
As shown in Table 1, the modifying agent of embodiment 1-3 is used to after processing chiltern salt-soda soil, containing total salt amount, soil in soil
Porosity, the soil weight, cations all have substantially improvement.
2. using the modifying agent of embodiment 1-3 to improve chiltern saline-alkali soil, turf plant during improvement, simultaneously just
Often soil and without turf plant 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 chiltern 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 (10)
1. a chiltern salt-soda soil improvement of special agent prescription, by weight percentage, it includes following parts by weight of component: desulfurization stone
Cream 40-50 part, magnetizable powder coal ash 15-18 part, magnetization troilite ash 20-25 part, Lauxite 10-15 part, humic acids 30-35
Part, perlite 6-10 part, farm manure 15-20 part, straw 5-10 part, water-retaining agent 1-2 part, microbial nutrition composition 2-4 part, micro-life
Thing microbial inoculum 1-2 part.
Chiltern salt-soda soil the most according to claim 1 improvement of special agent prescription, it is characterised in that: by weight percentage,
Described modifying agent formula includes following parts by weight of component: desulfurated plaster 45 parts, magnetizable powder coal ash 16 parts, magnetization troilite ash 22
Part, Lauxite 13 parts, humic acids 32 parts, perlite 8 parts, farm manure 17 parts, straw 7 parts, water-retaining agent 1 part, microbial nutrition
Composition 3 parts, microbial bacterial agent 1 part.
Chiltern salt-soda soil the most according to claim 1 improvement of special agent prescription, it is characterised in that: described microbial nutrition becomes
Divide and be made up of nicotinic acid, glucose, aminoacid, vitamin.
Chiltern salt-soda soil the most according to claim 3 improvement of special agent prescription, it is characterised in that: nicotinic acid, glucose, amino
Acid, the mass ratio of vitamin are 1:2:0.5:0.5.
Chiltern salt-soda soil the most according to claim 1 improvement of special agent prescription, it is characterised in that: microbial bacterial agent is Richter scale
Trichoderma spp., salt tolerant Azospirillum brasilense and the mix bacterium agent of cellulose-decomposing bacterium.
Chiltern salt-soda soil the most according to claim 5 improvement of special agent prescription, it is characterised in that: trichoderma reesei, resistance to salt
The bacterium solution addition of western azospirillum and cellulose-decomposing bacterium is 1:2:2.
Chiltern salt-soda soil the most according to claim 1 improvement of special agent prescription, it is characterised in that: magnetized flyash is through height
Temperature chilling Water Quenching, in magnetized flyash, the content of soluble silicon is 20-25%.
Chiltern salt-soda soil the most according to claim 1 improvement of special agent prescription, it is characterised in that: effective one-tenth of desulfurated plaster
It is divided into CaSO4·2H2O, CaSO4·2H2Content >=93% of O, farm manure is feces of livestock and poultry.
9. chiltern salt-soda soil as claimed in claim 1 improvement of special agent prescription is for the method improveing chiltern salt-soda soil,
It is characterized in that: comprise the following steps:
(1) being turned in the salt-soda soil intending improvement annual 2, March, ploughed depth is not less than 70cm；
(2) enclosing and cultivating salt-soda soil periphery and deep-cut irrigation canals and ditches turning over, the spacing of irrigation canals and ditches is 110m, and the degree of depth is 3-4m, and width is 1m；
(3) being uniformly blended into by modifying agent formula on the salt-soda soil turned over, dose is every mu 35-40 kilogram；
(4) utilize natural precipitation or manual priming that saline-alkali soil is sprayed；
(5) turf plant on the salt-soda soil processed, after plantation, then spread on saline-alkali soil surface modifying agent thick for 1cm with
Prevent moisture from evaporating.
The preparation method of chiltern salt-soda soil the most according to claim 9 improvement of special agent prescription, it is characterised in that: described
The preparation method of modifying agent formula is as follows:
(1) desulfurated plaster, magnetizable powder coal ash, magnetization troilite ash, pyrite, Lauxite, perlite, water-retaining agent are carried out wind
Dry grinding, and process of sieving；
(2) weigh feces of livestock and poultry and the hay leaf of formula ratio, add the humic acids of formula ratio, farm manure, straw, microbial nutrition
Composition and microbial bacterial agent, carry out sealing and fermenting 15-20 days, turned over every 3-5 days and pushes away once, generates the mixture of corruption；
(3) in the mixture of corruption, add the desulfurated plaster after pulverizing, magnetizable powder coal ash, magnetization troilite ash, pyrite, urea
Urea formaldehyde, perlite, water-retaining agent, be uniformly mixed, and obtains chiltern salt-soda soil improvement of special agent prescription.
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| CN107155790A (en) * | 2017-07-01 | 2017-09-15 | 江苏中洋集团股份有限公司 | A kind of method that saline-alkali soil is improved by microbial fermented stalk |
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| CN107963944A (en) * | 2017-11-30 | 2018-04-27 | 潍坊友容实业有限公司 | Improve sandy salt-soda soil mixed fertilizer and preparation method thereof |
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| CN111073655A (en) * | 2019-12-24 | 2020-04-28 | 鞍钢集团矿业有限公司 | Soil microorganism basic nutrient modifying agent for coastal saline-alkali soil |
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Application publication date: 20161207 |