CN110157449A - A method of it improving biomass carbon and improves salt affected soil - Google Patents
A method of it improving biomass carbon and improves salt affected soil Download PDFInfo
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- CN110157449A CN110157449A CN201910477155.7A CN201910477155A CN110157449A CN 110157449 A CN110157449 A CN 110157449A CN 201910477155 A CN201910477155 A CN 201910477155A CN 110157449 A CN110157449 A CN 110157449A
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- soil
- charcoal
- salt affected
- improvement
- affected soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- 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
-
- 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
Abstract
The invention discloses a kind of methods of raising biomass carbon improvement salt affected soil, comprising the following steps: S1, is uniformly mixed charcoal, humic acid with cow dung, obtains mixture；S2, the mixture for obtaining S1 carry out compost fermentation at 30~70 DEG C, obtain improvement charcoal；S3, the improvement charcoal that S2 is obtained is uniformly mixed with urea, amino acid and flyash, obtains soil conditioner；S4, the soil conditioner that S3 is obtained uniformly is spread fertilizer over the fields on salt affected soil surface, is then intersected rotary tillage 1~3 time, rotary tillage depth is 16~20cm, is suppressed immediately after rotary tillage to get the salt affected soil of improvement is arrived.Modification method provided by the invention can reduce salt-soda soil topsoil soils salt content and pH value, significantly reduce the soil weight, improve soil texture, increase retention capacity of soil, promote crop root healthy growth.
Description
Technical field
The invention belongs to reclamation of salinep-alkali soil technical fields, and in particular to a kind of side for improving biomass carbon improvement salt affected soil
Method.
Background technique
Salt affected soil is a kind of widely distributed soil types, and salt-soda soil is a type of salt aggregation, refers to soil
Salinity contained by the inside influences the normal growth of crop, according to UNESCO and food and agricultural organization's incomplete statistics,
The area in whole world salt-soda soil is 9.5438 hundred million hectares, and wherein China is 99,130,000 hectares.The shape of China's alkaline earth and alkali-affected soil
At most of to add up related with Carbonates In Soil, thus basicity is generally higher, and the physics and chemical property of saline-alkali soil are all
Poor, porosity is small, and soil is easy to hardened, and ventilative water permeability is deteriorated, and the activity of enzyme is suppressed in soil, influences edaphon
Activity and organic matter transformation, soil nutrient utilization rate is low, the content of organic matter decline, soil fertility decline.It is excessive in soil
Salt ion has inhibiting effect to the reproductive growth of plant and nutrient growth, and some ions can also carry out directly poison to plant
Evil, causes the form of plant and structure to change, serious salt affected soil regional plant can hardly survive.
Saline-alkali soil, which is administered, generally-desalinization of soil by flooding or leaching-is improved the soil-several stages, first box dam or trench digging such as will plant after isolation, disconnect
The source of salinity；Secondly the desalinization of soil by flooding or leaching is eluted soil (at least surface soil) salinity using precipitation elution and chemical technology；Change again
Soil is transformed soil physics and chemical property using modifying agent, generally uses gypsum, the methods of soil moved in improve the original.Traditional reclamation of salinep-alkali soil
Method is at high cost, and time-consuming length cannot be suitble to large-scale redevelopment saline-alkali soil.
Charcoal is a kind of charcoal as soil conditioner, and charcoal phosphorus content is high, and carbon structure is in aromatic ring-shaped, with
Soil Humus structure is similar, studies have shown that soil organic carbon level can be improved in charcoal, has farming area in Zuogong soil
Earth effect can help plant growth.Also have to apply to biomass carbon in salt affected soil at present and soil function is improved, but
It is fine to be that its improved effect is not.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of raising biomass carbon improvement salt affected soils
Method.
To achieve the above object, the technical solution adopted by the present invention is that:
A method of it improving biomass carbon and improves salt affected soil, comprising the following steps:
S1, charcoal, humic acid are uniformly mixed with cow dung, obtain mixture；
S2, the mixture for obtaining S1 carry out compost fermentation at 30~70 DEG C, obtain improvement charcoal；
S3, the improvement charcoal that S2 is obtained is uniformly mixed with urea, amino acid and flyash, obtains soil conditioner；
S4, the soil conditioner that S3 is obtained uniformly is spread fertilizer over the fields on salt affected soil surface, is then intersected rotary tillage 1~3 time, rotary tillage
Depth is 16~20cm, is suppressed immediately after rotary tillage to get the salt affected soil of improvement is arrived.
Preferably, in step S1, the charcoal is prepared by the following method to obtain: agricultural crop straw is collected,
2~3cm is dried and be crushed to, 5~10s is then carbonized at 550~650 DEG C, then crushes, be sieved, obtain charcoal.
Preferably, the partial size of the charcoal is 0.1~0.2mm.
Preferably, the agricultural crop straw is one of corn stover, rice straw, cotton stalk.
Preferably, in step S1, the charcoal, humic acid and the weight ratio of cow dung are 10:1~5:2~6.
Preferably, in step S2, the time of the compost fermentation is 10~20 days.
Preferably, in step S3, the weight ratio of the improvement charcoal and urea, amino acid and flyash is 5:2:1
~3:1~3.
Preferably, in step S3, the amino acid is threonine, valine, methionine, isoleucine, leucine, color ammonia
One of acid.
Preferably, in step S4, the amount of application of the soil conditioner is 1200~1800kg/ mus.
Compared with prior art, the present invention the beneficial effect is that:
In the method provided by the present invention, by the way that the components such as charcoal, cow dung and humic acid are added in salt affected soil, make each group
Divide and play mutual synergistic effect in salt affected soil, soil texture and quality can be effectively improved, salt-soda soil topsoil is greatly lowered
Soil salt content and pH value；Significantly reduce the soil weight；It can be plant and by the way that urea and amino acid are added in salt affected soil
Object growth provides necessary nutrition nutrient, while humic acid, charcoal and flyash match use, can be more in soil moisture
When, water suction save moisture, improve unit area in Soil-stored water ability, and can around moisture content decline or arid when
Generate rising effect the moisture of storage is slowly volatilized or is penetrated into surrounding soil in, increase soil and continue drought-resistant ability, rush
Into crop root healthy growth, achieve the purpose that improve crop yield.Low in raw material price in the present invention is easy to get, and method is grasped
Make simple.
Specific embodiment
In order to enable those skilled in the art to more fully understand, technical solution of the present invention is practiced, below with reference to specific
The invention will be further described for embodiment, but illustrated embodiment is not as a limitation of the invention.
The test method of actual conditions is not specified in following embodiments, according to conventional methods in the art with condition into
Row, raw materials used is commercially available.
Embodiment 1
A method of it improving biomass carbon and improves salt affected soil, comprising the following steps:
S1,2cm is collected, dries and be crushed to corn stover, 10s is then carbonized at 550 DEG C, then crush,
Sieving obtains the charcoal that partial size is 0.2mm
S2, by weight it is that the ratio of 10:2:3 is uniformly mixed by charcoal, humic acid and cow dung, obtains mixture；
S3, the mixture for obtaining S1 carry out compost fermentation 15 days at 50 DEG C, obtain improvement charcoal；
S4, the ratio for being 5:2:1:2 according to weight ratio by the obtained improvement charcoal of S2 and urea, threonine and flyash
It is uniformly mixed, obtains soil conditioner；
S5, the soil conditioner that S3 is obtained uniformly spreading fertilizer over the fields on salt affected soil surface, amount of application is 1500kg/ mus per acre,
Then intersect rotary tillage 3 times, rotary tillage depth is 16cm, is suppressed immediately after rotary tillage to get the salt affected soil of improvement is arrived.
Embodiment 2
A method of it improving biomass carbon and improves salt affected soil, comprising the following steps:
S1,3cm is collected, dried and be crushed to rice straw, 8s is then carbonized at 600 DEG C, then crush, mistake
Sieve obtains the charcoal that partial size is 0.1mm
S2, by weight it is that the ratio of 10:1:6 is uniformly mixed by charcoal, humic acid and cow dung, obtains mixture；
S3, the mixture for obtaining S1 carry out compost fermentation 20 days at 30 DEG C, obtain improvement charcoal；
S4, the ratio for being 5:2:2:3 according to weight ratio by the obtained improvement charcoal of S2 and urea, leucine and flyash
It is uniformly mixed, obtains soil conditioner；
S5, the soil conditioner that S3 is obtained uniformly spreading fertilizer over the fields on salt affected soil surface, amount of application is 1200kg/ mus per acre,
Then intersect rotary tillage 1 time, rotary tillage depth is 18cm, is suppressed immediately after rotary tillage to get the salt affected soil of improvement is arrived.
Embodiment 3
A method of it improving biomass carbon and improves salt affected soil, comprising the following steps:
S1,3cm is collected, dried and be crushed to cotton stalk, 5s is then carbonized at 650 DEG C, then crush, mistake
Sieve obtains the charcoal that partial size is 0.2mm
S2, by weight it is that the ratio of 10:5:2 is uniformly mixed by charcoal, humic acid and cow dung, obtains mixture；
S3, the mixture for obtaining S1 carry out compost fermentation 10 days at 70 DEG C, obtain improvement charcoal；
S4, the ratio for being 5:2:3:1 according to weight ratio by the obtained improvement charcoal of S2 and urea, tryptophan and flyash
It is uniformly mixed, obtains soil conditioner；
S5, the soil conditioner that S3 is obtained uniformly spreading fertilizer over the fields on salt affected soil surface, amount of application is 1800kg/ mus per acre,
Then intersect rotary tillage 2 times, rotary tillage depth is 20cm, is suppressed immediately after rotary tillage to get the salt affected soil of improvement is arrived.
Comparative example 1
The method specific steps for the improvement salt affected soil that comparative example 1 provides are same as Example 1, and difference is only that step S2
In be added without humic acid.
Comparative example 2
The method specific steps for the improvement salt affected soil that comparative example 2 provides are same as Example 1, and difference is only that step S4
In be added without flyash.
Comparative example 3
The method specific steps for the improvement salt affected soil that comparative example 2 provides are same as Example 1, and difference, which is only that, not to pass through
Cross step S3 fermentation process.
Below by taking the soil that embodiment 1 improves as an example, the yield of physicochemical property and long-term cropping to soil is studied
1, experimental design
Salt affected soil is selected to carry out improved test, it is typical salt affected soil, before improvement that the pH value of the salt affected soil, which is 9.5,
The vegetation of soil-grown is that the alkali of nature growth is fluffy, and not even a blade of grass grows in part plot, can not long-term cropping.It is provided by embodiment 1
Method the salt affected soil is improved, millet is then planted by machine sowing on the soil after improvement, item is sowed away from 25cm
3~5cm of depth, 15kg/ mus of application rate, emergence to harvesting first half of the month is poured water 1 time for every 15 days, emergence to envelope ridge tillage and weeding 2
~3 times, and using the method improvement soil of the offer of comparative example 1~3 and millet is planted as control, the plantation of millet and field management
It is identical that the application conditions of soil are improved with embodiment 1.
2, investigation result and analysis
1 improved effect of table monitors analytical table
By 1 result of table it is found that relative to comparative example 1~3, the modification method that the embodiment of the present invention 1 provides is to saline-alkali soil
After earth is improved, the physicochemical property of soil is preferably improved, be greatly lowered salt-soda soil topsoil soils salt content,
PH value and the soil weight, and the yield of crop is improved.
In conclusion by the way that charcoal, cow dung and humic acid etc. are added in salt affected soil in method provided by the invention
Component makes each component play mutual synergistic effect in salt affected soil, indispensable, while each in modification method provided by the invention
It is connected each other between link, lacking any link will affect the effect of soil improvement, therefore, improvement salt provided by the invention
The method of alkaline earth earth can be effectively improved soil texture and quality, and salt-soda soil topsoil soils salt content and pH value is greatly lowered；
The soil weight is significantly reduced, the growth of plant is promoted.
It should be noted that involved in the present invention when numberical range, it is thus understood that two endpoints of each numberical range with
And any one numerical value can be selected between two endpoints, those skilled in the art once know basic creative general
It reads, then additional changes and modifications may be made to these embodiments.So it includes preferred real that the following claims are intended to be interpreted as
It applies example and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of method for improving biomass carbon improvement salt affected soil, which comprises the following steps:
S1, charcoal, humic acid are uniformly mixed with cow dung, obtain mixture；
S2, the mixture for obtaining S1 carry out compost fermentation at 30~70 DEG C, obtain improvement charcoal；
S3, the improvement charcoal that S2 is obtained is uniformly mixed with urea, amino acid and flyash, obtains soil conditioner；
S4, the soil conditioner that S3 is obtained uniformly is spread fertilizer over the fields on salt affected soil surface, is then intersected rotary tillage 1~3 time, rotary tillage depth
For 16~20cm, suppressed immediately after rotary tillage to get the salt affected soil of improvement is arrived.
2. the method according to claim 1 for improving biomass carbon improvement salt affected soil, which is characterized in that in step S1,
The charcoal is prepared by the following method to obtain: 2~3cm is collected, is dried and be crushed to agricultural crop straw, is then existed
5~10s is carbonized at 550~650 DEG C, is then crushed, is sieved, obtains charcoal.
3. the method according to claim 2 for improving biomass carbon improvement salt affected soil, which is characterized in that the charcoal
Partial size be 0.1~0.2mm.
4. the method according to claim 2 for improving biomass carbon improvement salt affected soil, which is characterized in that the crops
Stalk is one of corn stover, rice straw, cotton stalk.
5. the method according to claim 1 for improving biomass carbon improvement salt affected soil, which is characterized in that in step S1,
The charcoal, humic acid and the weight ratio of cow dung are 10:1~5:2~6.
6. the method according to claim 1 for improving biomass carbon improvement salt affected soil, which is characterized in that in step S2,
The time of the compost fermentation is 10~20 days.
7. the method according to claim 1 for improving biomass carbon improvement salt affected soil, which is characterized in that in step S3,
The weight ratio of the improvement charcoal and urea, amino acid and flyash is 5:2:1~3:1~3.
8. the method according to claim 1 for improving biomass carbon improvement salt affected soil, which is characterized in that in step S3,
The amino acid is one of threonine, valine, methionine, isoleucine, leucine, tryptophan.
9. the method according to claim 1 for improving biomass carbon improvement salt affected soil, which is characterized in that in step S4,
The amount of application of the soil conditioner is 1200~1800kg/ mus.
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| CN201910477155.7A CN110157449B (en) | 2019-06-03 | 2019-06-03 | Method for improving saline-alkali soil by using biochar |
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| CN201910477155.7A CN110157449B (en) | 2019-06-03 | 2019-06-03 | Method for improving saline-alkali soil by using biochar |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110803956A (en) * | 2019-10-12 | 2020-02-18 | 广东省生态环境技术研究所 | Soil conditioner and preparation method thereof |
| CN111019668A (en) * | 2019-11-22 | 2020-04-17 | 中国科学院东北地理与农业生态研究所 | Severe soda saline-alkali soil dry farming agricultural soil conditioner |
| CN112794758A (en) * | 2020-06-29 | 2021-05-14 | 浙江科技学院 | Special biochar-based fertilizer for improvement of beach saline-alkali soil and preparation method and application thereof |
| CN113105295A (en) * | 2021-04-07 | 2021-07-13 | 塔里木大学 | Method for improving saline-alkali soil |
| CN113122268A (en) * | 2021-04-20 | 2021-07-16 | 中国科学院东北地理与农业生态研究所 | Method for improving soda saline-alkali soil by biochar and microbial agent |
| CN115322053A (en) * | 2022-08-23 | 2022-11-11 | 祖宗田(成都)科技有限公司 | Preparation method and application of saline-alkali soil remediation agent |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803956A (en) * | 2019-10-12 | 2020-02-18 | 广东省生态环境技术研究所 | Soil conditioner and preparation method thereof |
| CN111019668A (en) * | 2019-11-22 | 2020-04-17 | 中国科学院东北地理与农业生态研究所 | Severe soda saline-alkali soil dry farming agricultural soil conditioner |
| CN112794758A (en) * | 2020-06-29 | 2021-05-14 | 浙江科技学院 | Special biochar-based fertilizer for improvement of beach saline-alkali soil and preparation method and application thereof |
| CN113105295A (en) * | 2021-04-07 | 2021-07-13 | 塔里木大学 | Method for improving saline-alkali soil |
| CN113122268A (en) * | 2021-04-20 | 2021-07-16 | 中国科学院东北地理与农业生态研究所 | Method for improving soda saline-alkali soil by biochar and microbial agent |
| CN115322053A (en) * | 2022-08-23 | 2022-11-11 | 祖宗田(成都)科技有限公司 | Preparation method and application of saline-alkali soil remediation agent |
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| CN110157449B (en) | 2020-12-18 |
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