CN108640788A - A kind of modification method of slight alkaline land - Google Patents
A kind of modification method of slight alkaline land Download PDFInfo
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- CN108640788A CN108640788A CN201810280359.7A CN201810280359A CN108640788A CN 108640788 A CN108640788 A CN 108640788A CN 201810280359 A CN201810280359 A CN 201810280359A CN 108640788 A CN108640788 A CN 108640788A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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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
- 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
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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
- C09K2101/00—Agricultural use
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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
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
Abstract
The present invention relates to a kind of modification methods of slight alkaline land, a kind of dedicated soil conditioner in salt-soda soil is provided, change charing process mode single in the prior art, the charing process of simple two-part is carried out to stalk, reduce the alkalinity of charcoal itself, its prominent porosity and the increased advantage of specific surface area, are conducive to microbial reproduction and growth, the exchange capacity for reducing the soil weight, improving soil calcium ion and sodium ion；It is effectively improved hardened problem existing for salt-soda soil.The participation of bone meal so that microorganism realizes the enrichment of calcium, and the water conservation in conjunction with Sodium Polyacrylate and sustained release further enhance soil remediation function.Straw charcoal particle has neither part nor lot in fermentation directly with other raw material mixing granulations, obtains synergistic technique effect.Using soil conditioner of the present invention treated saline-alkali soil, pH value can reduce by 1.5, and soil organic matter content improves 18%.
Description
Technical field
The invention belongs to technical field of land improvement, are related to a kind of modification method of slight alkaline land, and in particular to special
Soil conditioner and its preparation and method of administration.
Background technology
Saline Land is always the main reason for restricting China's agricultural development and the raising of agricultural synthesis ability, and salt-soda soil is
What soil salinity characters and alkalization were formed, be under the collective effect of a variety of factor of natural environment and human activity factor so that saline and alkaline
Ingredient starts to accumulate in the soil body, and the ingredients such as salt and bases directly participate in the formation of soil, and China is salt-soda soil big country,
About 500,000,000 mu of China's saline alkali land area, coastal area is widely distributed；Salt-soda soil is the reserve land resources that China has a high potential,
The improvement in salt-soda soil has important practical significance to China with utilization.
Salt-soda soil is divided into light salt-soda soil, moderate saline-alkali soil and heavy saline.Light salt-soda soil emergence rate usually in 70-80%,
The salinization of soil destroys seriously soil physico-chemical property, and pH value is high, and slight alkaline land pH value is 7-8, and permeability is poor, soil salt
More, native table would generally be displayed in white salinity trace, and the phosphate fertilizer of application is easily fixed, and validity reduces；Nitrogen, phosphorus, potassium are mainly first
The microelement deficiencies such as element and iron, calcium, boron.
Saline and alkali land improvement method mainly has physically improved, chemical modifying, biological modification and water conservancy improvement, these measures at present
Although the saline alkali of soil can be improved to a certain extent, respectively there is limitation, it is excellent to apply soil conditioner at present
The mode of ameliorating of choosing, although existing saline-alkali land soil conditioner can improve soil fertility and structure to a certain extent,
But its most specific aim is not strong, is only generally directed to all types and different degrees of salt-soda soil, and latency environment pollutes wind
Danger or specific aim are again too strong, are only limitted to certain crop, lead to the improvement slowly effect in salt-soda soil, and improved effect is not good enough, is applicable in model
Enclose critical constraints.Many methods are the sodium ions exchanged using the calcium in fertilizer in soil at present, but exchange capacity is insufficient, timeliness
It is short.It is desirable to provide a kind of slight alkaline land special-purpose soil modifying agent with strong points, that improved effect is good, organic matter is full of nutrition
It solves the problems, such as.
Invention content
The purpose of the present invention：A kind of modification method and salt-soda soil special-purpose soil modifying agent of slight alkaline land are provided, it should
Salt-soda soil special-purpose soil modifying agent our company names " Jin He 2 ".
Present invention solves the technical problem that：Existing friendship when overcoming the sodium ion in calcium ion-exchanged soil in the prior art
The amount of changing is insufficient, timeliness is short；Straw charcoal utilizes insufficient；The fertilizer content of organics in improvement salt-soda soil is low, fertilizer efficiency is weak, water-retaining property
Difference, the problems such as acidity is high.
The technical solution adopted by the present invention：A kind of modification method of slight alkaline land, carries out according to the following steps：
(1) preparation of special-purpose soil modifying agent：In parts by mass, the modifying agent is by 40-60 parts of straw charcoal, cow dung 30-
50 parts, bone meal 20-25, part, 10-15 parts of acid-sludge, 20-25 parts of humic acid, 0.05-0.1 parts of probiotics, Sodium Polyacrylate
15-20 parts, 20-25 parts of water soluble potassic fertilizer, 20-26 parts of desulfurated plaster, 0.01-0.5 parts of trace element, suitable quantity of water be prepared,
Specific prepare includes the following steps：
It is prepared by a straw charcoals：Stalk first through 220-230 DEG C of charing process 0.5-1h, is brought rapidly up to 300-310 DEG C of charing
1-1.5h is managed, the particle for being then comminuted into 2-3mm is spare；
20-25 parts of 30-50 parts of cow dung, 20-25 parts of bone meal, 30-35 parts of acid-sludge, humic acid mixing are adjusted moisture by b
0.05-0.1 parts of probiotics are added in 25-30%, and ferment 26-46h at 3745 DEG C, and then Temperature fall continues fermentation extremely
25 DEG C, it is 21-23% to be dried to water content, and 20-30 parts of Sodium Polyacrylate is added, and is obtained after being stirred to react 6-7h at normal temperatures and pressures
Micro-gel particles are spare；
It is 20-25 parts of micro-gel particles, water soluble potassic fertilizer that straw charcoal particle that step c (a) obtains, step (b) obtain, de-
20-26 parts of sulphur gypsum, 0.01-0.5 parts of trace element are mixed evenly；
D is granulated, and drying obtains soil conditioner, moisture content is in 15-18%；
(2) application of modifying agent：The amount of application of slight alkaline land is 80-100kg/ mus.
Wherein, the preferably described probiotics are arbuscular mycorrhizal fungi (AMF), pseudomonad, bacillus subtilis, Bi Chi
The combination of yeast, lactobacillus delbrueckii, consumption proportion are arbuscular mycorrhizal fungi (AMF): pseudomonad: bacillus subtilis: being finished
Red yeast: lactobacillus delbrueckii=3: 1: 1: 1: 1.It is preferred that activated respectively before the mixing of above-mentioned strain, bacterium number reaches 2.0 ×
108Cfu/g or more
The soil conditioner pH value is 6-6.5.
It is preferred that the straw charcoal is using rice straw, wheat stalk and/or maize straw as raw material, thermal cracking is made a living
Material grains charcoal crushes after cooling, crosses what 80 mesh sieved
It is preferred that trace element is selected from ferrous sulfate, manganese sulfate, zinc sulfate, ammonium molybdate, borax, boric acid, sodium molybdate or its group
It closes.
The present invention also provides a kind of special-purpose soil modifying agents of slight alkaline land, are prepared as stated above.
Beneficial effects of the present invention：
(1) present invention is improved for slight alkaline land, changes charing process mode single in the prior art, to straw
Stalk carries out the charing process of simple two-part, and stalk first through 220-230 DEG C of charing process 0.5-1h, is brought rapidly up to 300-
310 DEG C of charing process 1-1.5h, the particle for being then comminuted into 2-3mm are spare；The processing of two-part can be obviously improved porosity
And specific surface area, while the alkalinity for reducing charcoal itself, prominent its promote the advantage of porosity and specific surface area, are conducive to micro- life
Object is bred and growth, and viability reduces the exchange capacity of the soil weight, raising soil calcium ion and sodium ion, drop up to 90%
Sodium is exchanged in low soil.Improvement soil texture, the sponginess for promoting crumbled structure to be formed and increasing soil, improve soil fertilizer
Water holding capacity and permeability.Emergence rate is high, illustrates that plant salt resistance Increase production ability is also obviously improved.
(2) during step b probiotics ferment and is decomposed, pass through the participation of bone meal so that microorganism is especially
It is the enrichment that lactobacillus delbrueckii realizes calcium during the fermentation, although humic acid also has certain cation complex effect,
But researcher is further soluble in the property of alkali, and slightly sour, appropriate acid-sludge and De Shi using humic acid itself using humic acid
The tunnings such as the lactic acid of Bacillus acidi lactici are continuously generated so that fermentation system generally subacidity further makes De Shi lactic acid
The microorganisms such as bacillus more preferably carry out calcium enrichment, and other factors is inhibited to decompose the competition of the calcium ion released to bone meal fermentation,
Promotion soil calcium ion is exchanged with sodium ion, and humic acid is also enable to give full play to the work for providing organic matter simultaneously in salt-soda soil
With.In the process, the control of fermentation temperature and fermentation time is most important, by constantly exploring, ferments at 37-45 DEG C
36-72h, then Temperature fall continue fermentation it is best to 25 degree of DEG C of effects.Water conservation in combination with Sodium Polyacrylate and sustained release, into
One step enhances soil remediation function.
(3) will not carry out the straw charcoal particle of fermentation process directly with micro-gel particles, water soluble potassic fertilizer, desulfurated plaster,
Trace element carries out being blended grain, then applies, effect is unexpected.Initial stage is played in fertilizer efficiency, during fertilising in desulfurated plaster
Calcium play ion exchange in advance, soil pH is also reduced because of the acidity of modifying agent, at the same time, due to straw charcoal two
The processing of segmentation, porosity and specific surface area are obviously improved, and adsorptivity reinforces and microorganism breeding and growth rapidly, microorganism
Firm crumb structure is formed with organic matter and saline-alkali soil by generating exocellular polysaccharide and other stickums, while can also be utilized
Calcium ion in desulfurated plaster realizes the enrichment of further calcium, and when mid-term or later stage, desulfurated plaster is using totally or by various rings
When border factor is limited, the micro-gel particles for being adsorbed on charcoal start to play a significant role due to being sustained, what lactic acid bacteria generated
Lactic acid enables to fertilizer persistently to keep subacidity and reduces the pH of soil, in microorganism enrichment calcium with bacterial metabolism, decomposition,
The complex processes such as self-dissolving and gradually release calcium ion, straw charcoal is also gradually decomposed by microorganism at this time, is released including calcium
Cation including ion, these calcium ions become the main force with sodium ion exchange, in addition, not sending out agricultural crop straw
Ferment, it is therefore an objective to which the C/N when fertilizer plays a role for adjusting edaphon fermentation system increases the content of organic matter.It adopts
With soil conditioner of the present invention treated saline-alkali soil, pH value can reduce by 1.5, and soil organic matter content improves 18%.
Specific implementation mode
Embodiment 1：
A kind of special-purpose soil modifying agent of slight alkaline land, which is characterized in that the modifying agent is by 40 parts of straw charcoal, cow dung
30 parts, 20 parts of bone meal, 30 parts of acid-sludge, 20 parts of humic acid, 0.05 part of probiotics, 15 parts of Sodium Polyacrylate, water soluble potassic fertilizer
20 parts, 20 parts of desulfurated plaster, 0.01 part of trace element, suitable quantity of water be prepared, specific prepare includes the following steps：
It is prepared by a straw charcoals：To 300 DEG C of charing process 1h, then stalk is brought rapidly up first through 220 DEG C of charing process 0.5h
The particle for being ground into 2mm is spare；
20 parts of 30 parts of cow dung, 20 parts of bone meal, 30 parts of acid-sludge, humic acid mixing are adjusted moisture 25%, are added micro- by b
0.05 part of ecological agent, ferment 26h at 37 DEG C, and then Temperature fall continues fermentation to room temperature, and it is 21% to be dried to water content,
20 parts of Sodium Polyacrylate is added, be stirred to react at normal temperatures and pressures after 6h micro-gel particles are spare；
20 parts of micro-gel particles, water soluble potassic fertilizer that straw charcoal particle that step c (a) obtains, step (b) obtain, desulfurization
20 parts of gypsum, 0.01 part of trace element are mixed evenly；
D is granulated, and drying obtains soil conditioner, moisture content is 15%.
Embodiment 2：
A kind of special-purpose soil modifying agent of slight alkaline land, which is characterized in that the modifying agent is by 50 parts of straw charcoal, cow dung
40 parts, 23 parts of bone meal, 32 parts of acid-sludge, 23 parts of humic acid, 0.08 part of probiotics, 18 parts of Sodium Polyacrylate, water soluble potassic fertilizer
23 parts, 23 parts of desulfurated plaster, 0.2 part of trace element, suitable quantity of water be prepared, specific prepare includes the following steps：
It is prepared by a straw charcoals：Stalk is brought rapidly up to 308 DEG C of charing process 1.2h, so first through 225 DEG C of charing process 0.8h
The particle for being ground into 2.5mm afterwards is spare；
22 parts of 40 parts of cow dung, 22 parts of bone meal, 33 parts of acid-sludge, humic acid mixing are adjusted moisture 28%, are added micro- by b
0.08 part of ecological agent, ferment 35h at 42 DEG C, and then Temperature fall continues fermentation to room temperature, and it is 22% to be dried to water content,
25 parts of Sodium Polyacrylate is added, be stirred to react at normal temperatures and pressures after 6.5h micro-gel particles are spare；
22 parts of micro-gel particles, water soluble potassic fertilizer that straw charcoal particle that step c (a) obtains, step (b) obtain, desulfurization
23 parts of gypsum, 0.2 part of trace element are mixed evenly；
D is granulated, and drying obtains soil conditioner, moisture content is 16%.
Embodiment 3：
A kind of special-purpose soil modifying agent of slight alkaline land, which is characterized in that the modifying agent is by 60 parts of straw charcoal, cow dung
50 parts, 25 parts of bone meal, 35 parts of acid-sludge, 25 parts of humic acid, 0.1 part of probiotics, 20 parts of Sodium Polyacrylate, water soluble potassic fertilizer 25
Part, 26 parts of desulfurated plaster, 0.5 part of trace element, suitable quantity of water are prepared, and specific prepare includes the following steps：
It is prepared by a straw charcoals：To 310 DEG C of charing process 1.5h, then stalk is brought rapidly up first through 230 DEG C of charing process 1h
The particle for being ground into 3mm is spare；
25 parts of 50 parts of cow dung, 25 parts of bone meal, 35 parts of acid-sludge, humic acid mixing are adjusted moisture 30%, are added micro- by b
0.1 part of ecological agent, ferment 46h at 45 DEG C, and then Temperature fall continues fermentation to room temperature, and it is 23% to be dried to water content,
30 parts of Sodium Polyacrylate is added, be stirred to react at normal temperatures and pressures after 7h micro-gel particles are spare；Wherein probiotics are
The combination of arbuscular mycorrhizal fungi, pseudomonad, bacillus subtilis, Pichia pastoris, lactobacillus delbrueckii, consumption proportion are clump branch
Mycorrhizal fungi: pseudomonad: bacillus subtilis: Pichia pastoris: lactobacillus delbrueckii=3: 1: 1: 1: 1；Divide before strain mixing
It is not activated, bacterium number reaches 2.0 × 108cfu/g；
25 parts of micro-gel particles, water soluble potassic fertilizer that straw charcoal particle that step c (a) obtains, step (b) obtain, desulfurization
26 parts of gypsum, 0.5 part of trace element are mixed evenly；
D is granulated, and drying obtains soil conditioner, moisture content is 18%.
Experimental example：
Using corn as experiment crops.
Strand slight alkaline land, original soil sample is selected to measure：Topsoil 0-20cm soil salts are 2.2-3%, mean salt
Measure 2.8g/kg；PH value 8.2, average content of organic matter 8g/kg；Soil sampling is carried out in a manner of potting in the greenhouse can also.20
The day after tomorrow measures emergence rate；Measure other indexs within 90 days.
Experiment 1：
Processing 1：Blank control group：Any modifying agent or fertilizer are not applied.
Processing 2：Commercially available saline-alkali soil conditioner：Dosage is 80kg/ mus；
Processing 3：Using the soil conditioner obtained by embodiment 1, amount of application is 80kg/ mus, but wherein stalk replaces with
Using 340 DEG C of charing process 1.5h.
Processing 4：Using the soil-repairing agent obtained by embodiment 1, amount of application is 80kg/ mus, but arbuscular mycorrhizal fungi
(AMF): pseudomonad: bacillus subtilis: Pichia pastoris: lactobacillus delbrueckii=1: 1: 1: 1: 1.
Processing 5：Using the soil-repairing agent obtained by embodiment 1, amount of application is 80kg/ mus.
Processing 6：Using the soil-repairing agent obtained by embodiment 2, amount of application is 80kg/ mus.
Table 1
Table 1 shows that the charing process that simple two-part is carried out to stalk can be obviously improved porosity and specific surface area,
Conducive to microbial reproduction and growth, the exchange capacity of soil calcium ion and sodium ion is improved, the exchangeable sodium in soil reduces, unit weight
It reduces.Arbuscular mycorrhizal fungi (AMF): pseudomonad: bacillus subtilis: Pichia pastoris: lactobacillus delbrueckii=3: 1: 1: 1: 1
To be best, arbuscular mycorrhizal fungi is made the most of the advantage effect on alkaline land improving.
Experiment 2：Bone meal addition is front and back relatively
Processing 1：Blank control group：Any modifying agent or fertilizer are not applied.
Processing 2：Commercially available saline-alkali soil conditioner：Dosage is 80kg/ mus；
Processing 3：Using the soil-repairing agent obtained by the embodiment of the present invention 1, amount of application is 80kg/ mus, does not add bone meal
Fermentation.
Processing 4：Using the soil-repairing agent obtained by the embodiment of the present invention 1, amount of application is 80kg/ mus.
Processing 5：Using the soil-repairing agent obtained by the embodiment of the present invention 2, amount of application is 80kg/ mus.
Table 2
Table 2 illustrates the participation of bone meal, promotes exchanging for calcium and sodium, and then improve overall effect, forms benign cycle.
Experiment 3：The front and back comparison of charcoal fermentation
Processing 1：Blank control group：Any soil conditioner or organic and inorganic fertilizer are not applied.
Processing 2：Commercially available saline-alkali soil conditioner：Dosage is 80kg/ mus；
Processing 3：Using the modifying agent obtained by the embodiment of the present invention 1, amount of application is 80kg/ mus, and charcoal was fermenting
Addition is fermented in journey.
Processing 4：Using the modifying agent obtained by the embodiment of the present invention 1, amount of application is 80kg/ mus.
Table 3
Table 3 show not carry out the straw charcoal particle of fermentation process directly with micro-gel particles, water soluble potassic fertilizer, desulfurization stone
Cream, trace element carry out being blended grain, then apply, and have good effect.
Claims (6)
1. a kind of modification method of slight alkaline land, which is characterized in that carry out according to the following steps：
(1) preparation of special-purpose soil modifying agent：In parts by mass, the modifying agent by 40-60 parts of straw charcoal, 30-50 parts of cow dung,
20-25 parts of bone meal, 10-15 parts of acid-sludge, 20-25 parts of humic acid, 0.05-0.1 parts of probiotics, 15-20 parts of Sodium Polyacrylate,
20-25 parts of water soluble potassic fertilizer, 20-26 parts of desulfurated plaster, 0.01-0.5 parts of trace element, suitable quantity of water are prepared, specific to prepare
Include the following steps：
It is prepared by a straw charcoals：Stalk is brought rapidly up first through 220-230 DEG C of charing process 0.5-1h to 300-310 DEG C of charing process 1-
1.5h, the particle for being then comminuted into 2-3mm are spare；
20-25 parts of 30-50 parts of cow dung, 20-25 parts of bone meal, 30-35 parts of acid-sludge, humic acid mixing are adjusted moisture 25- by b
30%, 0.05-0.1 parts of probiotics are added, ferment 26-46h at 37-45 DEG C, and then Temperature fall continues fermentation to 25
DEG C, it is 21-23% to be dried to water content, and 20-30 parts of Sodium Polyacrylate is added in, is obtained after being stirred to react 6-7h at normal temperatures and pressures
Micro-gel particles are spare；
20-25 parts of microgel capsule grain, water soluble potassic fertilizer, the desulfurization stone that straw charcoal particle that step c (a) obtains, step (b) obtain
20-26 parts of cream, 0.01-0.5 parts of trace element are mixed evenly；
D is granulated, and drying obtains soil conditioner, preferably moisture content is in 15-18%；
(2) application of modifying agent：The amount of application of slight alkaline land is 80-100kg/ mus.
2. a kind of modification method of slight alkaline land as described in claim 1, which is characterized in that the probiotics are clump branch
The combination of mycorrhizal fungi, pseudomonad, bacillus subtilis, Pichia pastoris, lactobacillus delbrueckii, consumption proportion are arbuscular mycorrhiza
Fungi: pseudomonad: bacillus subtilis: Pichia pastoris: lactobacillus delbrueckii=3: 1: 1: 1: 1；It is preferred that above-mentioned strain mixing
Preceding to be activated respectively, bacterium number reaches 2.0 × 108Cfu/g or more.
3. the modification method of slight alkaline land as described in claim 1-2 is any, it is characterised in that：Soil conditioner pH value is 6-
6.5。
4. the modification method of slight alkaline land as described in claim 1-3 is any, it is characterised in that：The straw charcoal is with water
Rice straw, wheat stalk and/or maize straw are as raw material.
5. a kind of modification method of slight alkaline land according to any one of claims 1-4, which is characterized in that trace element choosing
From ferrous sulfate, manganese sulfate, zinc sulfate, ammonium molybdate, borax, boric acid, sodium molybdate or combinations thereof.
6. a kind of special-purpose soil modifying agent of slight alkaline land, which is characterized in that the modifying agent is by 40-60 parts of straw charcoal, ox
30-50 parts of excrement, 20-25 parts of bone meal, 30-35 parts of acid-sludge, 20-25 parts of humic acid, 0.05-0.1 parts of probiotics, polyacrylic acid
15-20 parts of sodium, 20-25 parts of water soluble potassic fertilizer, 20-26 parts of desulfurated plaster, 0.01-0.5 parts of trace element, suitable quantity of water prepare and
At specific prepare includes the following steps：
It is prepared by a straw charcoals：Stalk is brought rapidly up first through 220-230 DEG C of charing process 0.5-1h to 300-310 DEG C of charing process 1-
1.5h, the particle for being then comminuted into 2-3mm are spare；
20-25 parts of 30-50 parts of cow dung, 20-25 parts of bone meal, 30-35 parts of acid-sludge, humic acid mixing are adjusted moisture 25- by b
30%, 0.05-0.1 parts of probiotics are added, ferment 26-46h at 37-45 DEG C, and then Temperature fall continues to ferment to normal
Temperature, it is 21-23% to be dried to water content, and 20-30 part of Sodium Polyacrylate is added, and being stirred to react at normal temperatures and pressures after 6-7h must be micro-
Gel particle is spare；
20-25 parts of micro-gel particles, water soluble potassic fertilizer, the desulfurization stone that straw charcoal particle that step c (a) obtains, step (b) obtain
20-26 parts of cream, 0.01-0.5 parts of trace element are mixed evenly；
D is granulated, and drying obtains soil conditioner, moisture content is in 15-18%.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109336716A (en) * | 2018-10-29 | 2019-02-15 | 四川大宇中和农业科技发展有限公司 | Carbon-based biological compound organic fertilizer of one kind and preparation method thereof |
| 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 |
| CN110078564A (en) * | 2019-05-31 | 2019-08-02 | 沈阳化工研究院有限公司 | A kind of long-acting alkaline land improving fertilizer of complex microorganism coating type and preparation method |
| CN110183280A (en) * | 2019-06-04 | 2019-08-30 | 南京农业大学 | One kind is for improveing soil acidification and saliferous soil conditioner |
| CN111269067A (en) * | 2019-12-20 | 2020-06-12 | 中国农业科学院西部农业研究中心 | Saline-alkali soil improver and application thereof in improvement of watermelon saline-alkali soil |
| CN111334302A (en) * | 2020-02-26 | 2020-06-26 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Modified biomass charcoal-based saline-alkali soil improver |
| CN112876320A (en) * | 2021-02-03 | 2021-06-01 | 山西大学 | Active pyrosalt alkaline earth modifier and preparation method thereof |
| CN113973654A (en) * | 2021-11-05 | 2022-01-28 | 宁夏农林科学院农业资源与环境研究所（宁夏土壤与植物营养重点实验室） | Method for improving emergence rate of alfalfa planting in moderate saline-alkali soil in northern arid area |
| CN114316998A (en) * | 2021-12-23 | 2022-04-12 | 利奥生态科技集团有限公司 | Saline-alkali soil conditioner and preparation method thereof |
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