CN109369241A - A kind of salinized soil modifying agent method of preparation and use based on xylophyta refining - Google Patents
A kind of salinized soil modifying agent method of preparation and use based on xylophyta refining Download PDFInfo
- Publication number
- CN109369241A CN109369241A CN201811036108.0A CN201811036108A CN109369241A CN 109369241 A CN109369241 A CN 109369241A CN 201811036108 A CN201811036108 A CN 201811036108A CN 109369241 A CN109369241 A CN 109369241A
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- Prior art keywords
- xylophyta
- soil
- acid
- modifying agent
- gypsification
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
-
- 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
-
- 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
Abstract
A kind of salinized soil modifying agent method of preparation and use based on xylophyta refining, belongs to soil agrochemistry field.It is acidified xylophyta residuum with sulfuric acid, the slow destructive distillation of low temperature obtains xylophyta source organic acid；The xylophyta biology of highly acid is burnt to obtain salinized soil modifying agent host agent with gypsification in the quick lime of equivalent.Burnt and the to be improved saline-alkali soil surface layer of the xylophyta biology of gypsification after mixing, sprays xylophyta source organic acid and calcium ion is promoted to substitute the sodium ion on soil clay particle；Ground mulching straw, inoculated plant lactic acid bacteria promote to produce acid, finally drench alkali with water；The wetland with saline-alkaline for being filtered alkali process carries out trickle irrigation bunch planting crop, no-tillage crop rotation, intercropping cropping system.Its source of raw materials for production of the present invention is widely easy to get, low in cost, and preparation process is the sharp weapon of salinized soil improvement without serious three-waste pollution, can comparatively fast obtain economy and environment return.
Description
Technical field
The invention belongs to soil agrochemistry fields.It is related to a kind of salinized soil modifying agent method of preparation and use.
Background technique
Saline-alkali soil refers to that there are also solubility salts, such as Na in soil+、Mg2+、CO3 2-、Cl-Deng, and salt concentration is higher right
Plant growth directly contributes the soil of inhibition or harm, mainly includes four kinds of solonchak, salinization soil, alkaline earth and alkali soil etc..Currently,
Saline-alkali soil is extensive in Chinese branch, focuses primarily upon North China, northwest, northeast and the coastal region in east China, and the gross area is up to 34,870,000
hm2, account for about the 25% of national arable area, area can be developed and used and be up to 200,000,000 mu.The reduction of salinization of soil bring arable land,
The problems such as the grain yield drops, certainly will will affect.
The development and utilization research of salt affected soil agricultural high-effiency is the technical problem that countries in the world are generally acknowledged.In recent years, China increases
Salt affected soil agricultural high-effiency research on utilization, though achieving certain effect, there is at high cost, effect is unobvious, implements
The defects of difficult.If Chinese invention patent application CN201710261807.4 is with calcium sulphate dihydrate, calcium carbonate, calcium sulfite, sulphur
Sour sodium, potassium sulfate, magnesium sulfate, Lignitic Humic Acid, silica, aluminum oxide, di-iron trioxide, sulfur trioxide, titanium dioxide
Titanium, potassium oxide, sodium oxide molybdena, iron oxide, urea, calcium superphosphate, potassium chloride and yeast dextran prepare modifying agent for raw material, though it takes
Effect centainly is obtained, but the improvement agent prescription and preparation process are more complex, higher cost, is unfavorable for producing benefit on a large scale
With.For another example Chinese invention patent application CN201710644202.3 improves soil using the salt affected soil fertilizer special for organic of exploitation and has
Machine matter improves salt affected soil structure, but the excessively high problem of salinity in unresolved salt affected soil, and the preparation of the organic fertilizer is by the pool
16 kinds of raw material compositions such as mud, diatomite, charcoal, bacteria agent, biological enzyme agent, preparation process is complicated, higher cost.Therefore
For current salt affected soil area be gradually expanded and its deficiency of improving technology, be badly in need of exploitation can large-scale promotion utilize it is low
Cost, the practical new technology of high-effective saline-alkali soil improvement.
The a large amount of Ca contained in land plaster2+It can be with the Na in salt affected soil+Ion exchange, Na occurs+Under replacement
The Na formed after coming2SO4Soil can be discharged with water sport, and then reduce pH.Ca2+Ion can equally reduce in salinized soil
CO3 2+To reduce salt content in soil.But highly effective it can not improve the hardened of salinized soil using gypsum merely
Structure.A large amount of stable state organic matters are needed in salinized soil improvement to improve the structure between soil clay particle, even with having
Machine acid is also considered as the measure for effectively promoting soil clay particle release sodium ion.
This project group is found by long-term research, xylophyta such as stalk or forestry waste is acidified with sulfuric acid, low
The mainstream at a slow speed under conditions of 120 DEG C, can produce the organic acids such as a large amount of acetic acid, this can be used for salinized soil row's alkali
The minimum organic acid of cost；While it is burnt by biological with obtained gypsification in white lime to obtain stable unformed biology
Coke may be used as extraordinary salinized soil texture modifier.The formation of soil aggregate structure is promoted to aggregate into water stability group
Kernel structure promotes the physicochemical properties such as retentiveness, the gas permeability of soil, can greatly promote the effect of fresh water pressure salt salt discharge.Biology
Coke inherits mineral nutrition ingredient whole in xylophyta, can increase the content of constant and micronutrient element in soil,
Solid foundation is established for the good farmland of salinized soil.
Summary of the invention
The purpose of the present invention is the method for improvement salt affected soil at present is at high cost, process is complicated, practical function is poor, plants
Object is difficult to the reality grown, provides a kind of salinized soil modifying agent method of preparation and use based on xylophyta refining.
The present invention is achieved by the following technical solutions.
A kind of salinized soil modifying agent method of preparation and use based on xylophyta refining of the present invention, including
Following steps.
Step 1 weighs 100 portions of xylophytas, crushed 100 ~ 200 meshes, spraying wet with 40 ~ 80 part of 2% ~ 25% dilute sulfuric acid
Profit spreads 10 ~ 12 hours, is placed in stainless steel gas retort, is rapidly heated to 110 ± 5 DEG C, opens condensing unit, and collection evaporates
It is spare to obtain xylophyta organic acid until in 10 minutes without distillate for liquid out.After biological burnt cooling, take used
The quick lime of sulfuric acid equivalent is dissolved in the water of 4 times of lime weight, after stirring neutralizing, is uniformly sprayed on biological coke and is mixed
Uniformly, it is burnt spare to obtain gypsification biology for accumulation compacting.
Step 2, smooth plot to be improved uniformly are spread fertilizer over the fields gypsification 1800 ~ 2200kg of biological coke per acre, are uniformly admixed
20cm topsoil, then xylophyta 300 ~ 600kg of organic acid is sprayed, after earth's surface spreads fertilizer over the fields 800 ~ 1600kg of organic fertilizer, cover grain
Diameter 2-10cm bark or leaf wood 1500 ~ 2800kg of particle play the role of reducing evaporation, while spraying plant lactobacillus liquid
Microbial inoculum promotes sawdust and organic fertilizer to decompose and produces acid.After first treated one month, 80 ~ 120 cubic metres of the fresh water one of spraying per acre
It is secondary；The fresh water of second of 80 ~ 120 cubic metres of sprinkling irrigation after 3 days, 1 month after second of sprinkling irrigation, it can start with bunch planting ~ trickle irrigation
Method cultivated crop carries out crop rotation and exempts from root system, and the same returning to the field of crop material covers earth's surface.
Advantage of the invention.
(1) for the present invention using renewable xylophyta as the raw materials for production of salinized soil modifying agent, source is very wide
It is general to be easy to get, it is low in cost.Its preparation process is without serious three-waste pollution, while obtained xylophyta organic acid and gypsification wood
This plant coke complements one another, and is the sharp weapon of salinized soil improvement.
(2) acid is persistently produced using xylophyta stalk inoculated plant Bacillus acidi lactici covering earth's surface and reduces evaporation and soil wind
Erosion, the measure that root and trickle irrigation etc. are conducive to continue row's alkali is exempted from implementation intercropping, crop rotation, so that salinized soil of the invention
Improving technology obtains economy and environment return quickly.
Specific embodiment
The present invention will be described further by following embodiment.
Embodiment 1.
It is a kind of based on birch leftover bits and pieces refining salinized soil modifying agent method of preparation and use be as follows
It realizes.
Step 1 weighs 100 parts of birch leftover bits and pieces, crushed 120 meshes, is moistened by spraying with 80 part of 25% dilute sulfuric acid, diffusion
It 12 hours, is placed in stainless steel gas retort, is rapidly heated to 110 DEG C, open condensing unit, collection distillates liquid, until 10
Minute in without distillate until, it is spare to obtain birch organic acid.After biological burnt cooling, the quick lime of sulfuric acid equivalent used is taken
It is dissolved in the water of 4 times of lime weight after stirring neutralizing, is uniformly sprayed on biological coke and is uniformly mixed, accumulation compacting obtains stone
Livering biology is burnt spare.
Step 2, smooth plot to be improved uniformly are spread fertilizer over the fields the biological coke 1800kg of gypsification birch per acre, are uniformly admixed
20cm topsoil, then birch organic acid 500kg is sprayed, cow manure 1600kg is applied, ground mulching partial size 5cm or so birch is broken
Expect 2500kg, plays the role of reducing evaporation, while spraying plant lactobacillus (national Culture Collection bio-85199/training
Support based component: casein peptone 10.0g, beef extract 10.0g, yeast powder 5.0g, glucose 5.0g, sodium acetate 5.0g, lemon
Sour diammonium 2.0g, Tween 80 1.0g, K2HPO4 2.0g, MgSO4.7H2O 0.2g, MnSO4.H2O 0.05g, CaCO3
20.0g, agar 15.0g, distilled water 1.0L, pH6.8.), promote cow manure and birch particle to decompose and produces acid.First treated
After one month, the fresh water of 90 cubic metres of sprinkling irrigation is primary per acre, the fresh water of second of 90 cubic metres of sprinkling irrigation after 3 days, second of sprinkling irrigation
1 month afterwards, it can start with bunch planting ~ drip irrigation method cultivated maize.After harvest corn, corn stover same returning to the field covering ground
Table.Carry out crop rotation and exempts from root system, next year crop rotation bunch planting soybean.Salt affected soil index after improvement is as shown in table 1, Na+Concentration drop
Low 68.52%, soluble-salt (EC) concentration reduces 57.34%, Cl-Concentration reduces 60.68%, soil pH value 7.14.Kind
The soybean planted on the salt affected soil after improvement grows fine, and increasing degree improves 95%.
The index properties of 1 salt affected soil of table improvement front and back
| PH value | EC value (us/cm) | Na+ (g/kg) | Cl- | |
| Saline and alkaline original soil | 8.83 | 512.65 | 1.938 | 1.17 |
| After processing | 7.14 | 218.67 | 0.61 | 0.46 |
Claims (1)
1. a kind of salinized soil modifying agent method of preparation and use based on xylophyta refining, it is characterized in that including following step
It is rapid:
Step 1 weighs 100 portions of xylophytas, crushed 100 ~ 200 meshes, is moistened by spraying with 40 ~ 80 part of 2% ~ 25% dilute sulfuric acid,
Diffusion 10 ~ 12 hours, is placed in stainless steel gas retort, is rapidly heated to 110 ± 5 DEG C, opens condensing unit, collects distillate
It is spare to obtain xylophyta organic acid until in 10 minutes without distillate for body；After biological burnt cooling, sulfuric acid used is taken
The quick lime of equivalent is dissolved in the water of 4 times of lime weight, and after stirring neutralizing, it is equal to be uniformly sprayed at mixing on biological coke
Even, it is burnt spare that accumulation compacting obtains gypsification biology；
Step 2, smooth plot to be improved uniformly spread fertilizer over the fields gypsification 1800 ~ 2200kg of biological coke per acre, uniformly admix 20cm table
Soil layer, then xylophyta 300 ~ 600kg of organic acid is sprayed, after earth's surface spreads fertilizer over the fields 800 ~ 1600kg of organic fertilizer, cover partial size 2-
10cm bark or leaf wood 1500 ~ 2800kg of particle play the role of reducing evaporation, while spraying plant lactobacillus liquid bacteria
Agent promotes sawdust and organic fertilizer to decompose and produces acid；After first treated one month, 80 ~ 120 cubic metres of the fresh water one of spraying per acre
It is secondary；The fresh water of second of 80 ~ 120 cubic metres of sprinkling irrigation after 3 days, 1 month after second of sprinkling irrigation, it can start with bunch planting ~ trickle irrigation
Method cultivated crop carries out crop rotation and exempts from root system, and the same returning to the field of crop material covers earth's surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811036108.0A CN109369241A (en) | 2018-09-06 | 2018-09-06 | A kind of salinized soil modifying agent method of preparation and use based on xylophyta refining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811036108.0A CN109369241A (en) | 2018-09-06 | 2018-09-06 | A kind of salinized soil modifying agent method of preparation and use based on xylophyta refining |
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| CN109369241A true CN109369241A (en) | 2019-02-22 |
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| CN201811036108.0A Pending CN109369241A (en) | 2018-09-06 | 2018-09-06 | A kind of salinized soil modifying agent method of preparation and use based on xylophyta refining |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218130A (en) * | 2019-06-14 | 2019-09-10 | 沈阳化工研究院有限公司 | In one kind, the rice in saline-alkali field soaked field agent of severe inland and application |
| CN110423153A (en) * | 2019-07-16 | 2019-11-08 | 砀山县绿源生态肥料有限公司 | It is a kind of to improve organic fertilizer and preparation method thereof that is saline and alkaline and eliminating soil hardening |
| US11124461B2 (en) | 2019-07-04 | 2021-09-21 | Incitec Pivot Limited | Fertilizer |
Citations (4)
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| CN1281835A (en) * | 2000-09-06 | 2001-01-31 | 南京农业大学 | Method for decomposing stalks and straws of crops and fertilizer made of them |
| CN102405706A (en) * | 2011-08-12 | 2012-04-11 | 南京农业大学 | Improving method of cured saline-alkali soil by utilizing agricultural waste biomass carbide |
| CN104663065A (en) * | 2013-11-26 | 2015-06-03 | 淮海工学院 | Method for improving saline alkali soil in use of biomass charcoal |
| CN104893741A (en) * | 2015-05-29 | 2015-09-09 | 清华大学 | Soil conditioner as well as preparation method and application of soil conditioner |
-
2018
- 2018-09-06 CN CN201811036108.0A patent/CN109369241A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281835A (en) * | 2000-09-06 | 2001-01-31 | 南京农业大学 | Method for decomposing stalks and straws of crops and fertilizer made of them |
| CN102405706A (en) * | 2011-08-12 | 2012-04-11 | 南京农业大学 | Improving method of cured saline-alkali soil by utilizing agricultural waste biomass carbide |
| CN104663065A (en) * | 2013-11-26 | 2015-06-03 | 淮海工学院 | Method for improving saline alkali soil in use of biomass charcoal |
| CN104893741A (en) * | 2015-05-29 | 2015-09-09 | 清华大学 | Soil conditioner as well as preparation method and application of soil conditioner |
Non-Patent Citations (2)
| Title |
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| 刘建国主编: "《可再生能源导论》", 28 February 2017, 中国轻工业出版社 * |
| 邝立吉等编: "《木材检验技术》", 31 July 1987, 湖南科学技术出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218130A (en) * | 2019-06-14 | 2019-09-10 | 沈阳化工研究院有限公司 | In one kind, the rice in saline-alkali field soaked field agent of severe inland and application |
| US11124461B2 (en) | 2019-07-04 | 2021-09-21 | Incitec Pivot Limited | Fertilizer |
| US11691929B2 (en) | 2019-07-04 | 2023-07-04 | Incitec Fertilizers Pty Limited | Fertiliser |
| CN110423153A (en) * | 2019-07-16 | 2019-11-08 | 砀山县绿源生态肥料有限公司 | It is a kind of to improve organic fertilizer and preparation method thereof that is saline and alkaline and eliminating soil hardening |
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Application publication date: 20190222 |