CN108102657A - A kind of Rocky Desertification Region soil conditioner and preparation method thereof - Google Patents
A kind of Rocky Desertification Region soil conditioner and preparation method thereof Download PDFInfo
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- CN108102657A CN108102657A CN201711345440.0A CN201711345440A CN108102657A CN 108102657 A CN108102657 A CN 108102657A CN 201711345440 A CN201711345440 A CN 201711345440A CN 108102657 A CN108102657 A CN 108102657A
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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
Abstract
The present invention provides a kind of Rocky Desertification Region soil conditioner and preparation method thereof.The Rocky Desertification Region soil conditioner of the present invention includes following components according to parts by weight：30~50 parts of stalk, give up 5~15 parts of silk, 3~8 parts of cornstarch, 1~10 part of bentonite, 5~10 parts of volcanic ash, 3~10 parts of shell, 5~10 parts of sludge, 2~6 parts of humic acid, 3~10 parts of composite fertilizer, 5~15 parts of organic fertilizer, 0.2~3 part of crosslinking agent, 0.2~3 part of initiator, 1~3 part of polymerizer.The soil conditioner can improve soil texture, build up fertility, and significantly reduce soil moisture loss, and water storage, water retention property are excellent, so as to promote plant growth, further achieve the purpose that soil improvement.
Description
Technical field
The present invention relates to Rocky Desertification Control fields, and in particular to a kind of Rocky Desertification Region soil conditioner and its preparation side
Method.
Background technology
Karst Region of Guangxi landforms are widely distributed, and 1.25 hundred million mu of whole district's karst region land area accounts for whole district's national territorial area
35.2%, it is related to 10 counties of 76, city (city, area), 779 small towns (forest farm).In the land area of karst region, stony desertification soil reaches
35680000 mu, the 3rd, the whole nation is occupied, is only second to Yunnan and Guizhou.Karst area population more than 1,200 ten thousand, accounts for the total people of the Guangxi whole district
The a quarter of mouth.Since stony desertification is serious, causes local economy social development and extremely lag, the Guangxi whole district more than 90%
The population below the poverty line is all distributed in Rocky Desertification Region.
Over time, " stony desertification " degree in Guangxi and area are also deepened and are developed continuous.Stony desertification and water
Native serious be lost in has formed vicious circle, caused by mountain is poor, water is withered, woods declines, soil is thin, lighted to the existence of Rocky Desertification Region people
Red light.The natural calamities such as mountain torrents, landslide, mud-rock flow easily occur for Rocky Desertification Region, and heavy economic losses is caused to locality.Water
" stony desertification " phenomenon that soil resource is presented after being constantly lost in, is not only degrading agricultural production conditions, also results in the deterioration of the ecological environment,
Bio-diversity falls sharply, and natural calamity takes place frequently, and the fragile ecological environment that Rocky Desertification Region deteriorates increasingly seriously constrains local warp
The development of Ji society, the population problem of Rocky Desertification Region, vital conjuncture, energy problem into the problem of not allowing to avoid, accelerate stone
Unconcerned chemoprevention is controlled, very urgent.
At present, the stony desertification treatment method mainly plantation ecological forest carrys out sand control, but by Rocky Desertification Region edaphic condition institute
Limit, water consumption is greatly and the planting effect of vegetation is poor, and cost is higher, is never promoted use.
The content of the invention
The goal of the invention of the present invention is, in view of the above-mentioned problems, providing a kind of Rocky Desertification Region soil conditioner, can to improve
Soil texture is built up fertility, and significantly reduces soil moisture loss, and water storage, water retention property are excellent, so as to promote plant growth,
Further achieve the purpose that soil improvement.
In order to achieve the above objectives, the technical solution adopted in the present invention is：
A kind of Rocky Desertification Region soil conditioner includes following components according to parts by weight：
30~50 parts of stalk, give up 5~15 parts of silk, 3~8 parts of cornstarch, 1~10 part of bentonite, volcanic ash 5~10
Part, 3~10 parts of shell, 5~10 parts of sludge, 2~6 parts of humic acid, 3~10 parts of composite fertilizer, 5~15 parts of organic fertilizer, crosslinking agent 0.2
~3 parts, 0.2~3 part of initiator, 1~3 part of polymerizer.
Preferably, the stalk is wheat, rice, corn, the stalk of rape one or more of which.
Preferably, stalk is first pre-processed, preprocessing process is：Stalk is dried, is shredded with shredding machine, then steam
Then explosion carries out boiling, 130~180 DEG C of boiling temperature, 20~40min of digestion time, after boiling with NaOH aqueous solutions
Stalk is washed, and is filtered, and drying is for use.
Preferably, the sludge is farm's sludge.
Preferably, the crosslinking agent is glycerine, and the initiator is hydrogen peroxide and potassium peroxydisulfate.
A kind of preparation method of Rocky Desertification Region soil conditioner, comprises the following steps：
S1. pre-process
1) stalk dried, shredded with shredding machine, then steam blasting, straw powder material is made, then uses stalk powder
NaOH aqueous solutions carry out boiling, 130~180 DEG C of boiling temperature, 20~40min of digestion time, by the straw powder material after boiling, water
It washes, filters, drying；
2) discarded silk is cleaned, dried and crush to obtain silk powder；
3) 1) treated straw powder material will be passed through and silk powder mixes, and obtain mixed powder；
4) sludge is dried for standby；
S2. graft copolymerization
Cornstarch, potassium acrylate, crosslinking agent, polymerizer and initiator, stirring are added in mixed powder into step S1
After uniformly, 1~3h of polymerisation obtains water-retaining agent；
S3. mix
By water-retaining agent prepared by step S2 and bentonite, the sludge of drying, volcanic ash, shell, humic acid, composite fertilizer and have
Machine fertilizer is uniformly mixed, and then 10~20min of heating mixing, finally dries, crushes to obtain modifying agent.
Preferably, in step S1, sludge is first subjected to anaerobic digestion, is then dried for standby.
Preferably, in step S2, polymeric reaction temperature is 30~50 DEG C.
Due to the adoption of the above technical scheme, the invention has the advantages that：
1. Rocky Desertification Region soil conditioner of the present invention, using biodegradable stalk and useless silk and acrylamide,
Cornstarch graft copolymerization obtains water-retaining agent, then adds bentonite, sludge, humic acid, shell and volcanic ash, acts synergistically,
Improve soil texture；Composite fertilizer and organic fertilizer are added, fertilizer needed for plant growth and trace element are provided.
Volcanic ash, lightweight, porous, water absorption rate is higher, and rich in mineral matter elements and micro members such as iron, manganese, nickel, cobalts
Element is a kind of natural fertilizer, can increase soil fertility and improve soil texture, and soil is made to become loose, enhances gas permeability.
Humic acid has good biological activity, is that an organic carrier being made of a variety of functional groups and one have
The intermediate material of plant respiration and photosynthesis metabolic function.Using humic acid, it can change that saliferous in soil is excessively high, alkaline mistake
By force, grogs high degree of dispersion, the physicochemical character of soil texture difference, promote the formation of soil agreegate, make it into kilter, from
And it is that good condition is created in plant root growth development.Humic acid can also improve chemical fertilizer utilization ratio.
Volcanic ash, bentonite and shell, collaboration need to use, and improve the crumb structure of soil, improve prone soil；Cooperate with humic
Acid, organic fertilizer, composite fertilizer and stalk, useless silk, acrylamide and cornstarch graft copolymerization obtain water-retaining agent, play jointly
Water conservation, the effect for reducing soil erosion, and then on the premise of soil is improved, promote plant growth, so as to further improve life
State environment.
2. Rocky Desertification Region soil conditioner of the present invention, using deriving from a wealth of sources, cheap biodegradable stalk
As raw material, the cost of water-retaining agent is effectively reduced, is that a new approach has been sought in the application of the stalk of crop.Stalk is located in advance
Reason process, first explosion boiling again effectively enhance the activity of stalk cellulose, improve stalk cellulose and be grafted with potassium acrylate
Reaction efficiency, graft reaction efficiency is higher, and the water-retaining agent effect of preparation is more preferable.
3. the water keeping fertilizer of the present invention after polymerisation, contains substantial amounts of strongly hydrophilic in the strand of polyacrylic acid potassium
Group (- COOK), therefore its hygroscopicity is extremely strong.Polyacrylic acid potassium can make the granule that Zinc fractions are stablized, so as to improve soil
Farming and the growth of plant reduce water from the loss in soil, avoid when raining heavyly upper layer of soil be flushed away.It is replaced using potassium acrylate
Common sodium acrylate is changed, can be incremented by avoid sodium ions content in soil, and potassium element is provided for plant growth.
The glycerine for using low toxicity cheap is crosslinking agent, different from the N-N methylene-bisacrylamides being commonly used
(MBA), water-retaining agent cost reduction reduces environmental pollution simultaneously.
4. the preparation method of Rocky Desertification Region soil conditioner of the present invention, simple for process, with obvious effects, it is easy to industrial metaplasia
Production has good market prospects.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
A kind of Rocky Desertification Region soil conditioner includes following components according to parts by weight：
40 parts of stalk, give up 10 parts of silk, 5 parts of cornstarch, 8 parts of bentonite, 6 parts of volcanic ash, 5 parts of shell, 8 parts of sludge,
4 parts of humic acid, 5 parts of composite fertilizer, 10 parts of organic fertilizer, 2 parts of crosslinking agent, 2 parts of initiator, 2 parts of polymerizer.
The stalk is rice straw.The sludge is farm's sludge.The crosslinking agent be glycerine, the initiator
For hydrogen peroxide and potassium peroxydisulfate, mass ratio 2:3.The polymerizer is ammonium hydroxide.
A kind of preparation method of Rocky Desertification Region soil conditioner, comprises the following steps：
S1. pre-process
1) stalk dried, shredded with shredding machine, then steam blasting, straw powder material is made, then uses stalk powder
NaOH aqueous solutions carry out boiling, and 150 DEG C of boiling temperature, digestion time 30min by the straw powder material after boiling, are washed, filtered,
Drying；
2) discarded silk is cleaned, dried and crush to obtain silk powder；
3) 1) treated straw powder material will be passed through and silk powder mixes, and obtain mixed powder；
4) sludge is first subjected to anaerobic digestion, be then dried for standby.
S2. graft copolymerization
Cornstarch, potassium acrylate, crosslinking agent, polymerizer and initiator, stirring are added in mixed powder into step S1
After uniformly, polymerisation 2h, reaction temperature is 40 DEG C.Obtain water-retaining agent；
S3. mix
By water-retaining agent prepared by step S2 and bentonite, the sludge of drying, volcanic ash, shell, humic acid, composite fertilizer and have
Machine fertilizer is uniformly mixed, and then heating mixing 15min, finally dries, crushes to obtain modifying agent.
Embodiment 2
A kind of Rocky Desertification Region soil conditioner includes following components according to parts by weight：
50 parts of stalk, give up 10 parts of silk, 3 parts of cornstarch, 10 parts of bentonite, 10 parts of volcanic ash, 8 parts of shell, sludge 5
Part, 5 parts of humic acid, 5 parts of composite fertilizer, 10 parts of organic fertilizer, 3 parts of crosslinking agent, 2 parts of initiator, 3 parts of polymerizer.
The stalk is wheat stalk and maize straw.The sludge is farm's sludge.The crosslinking agent is glycerine,
The initiator be hydrogen peroxide and potassium peroxydisulfate, mass ratio 1:2.
A kind of preparation method of Rocky Desertification Region soil conditioner, comprises the following steps：
S1. pre-process
1) stalk dried, shredded with shredding machine, then steam blasting, straw powder material is made, then uses stalk powder
NaOH aqueous solutions carry out boiling, and 180 DEG C of boiling temperature, digestion time 20min by the straw powder material after boiling, are washed, filtered,
Drying；
2) discarded silk is cleaned, dried and crush to obtain silk powder；
3) 1) treated straw powder material will be passed through and silk powder mixes, and obtain mixed powder；
4) sludge is first subjected to anaerobic digestion, be then dried for standby.
S2. graft copolymerization
Cornstarch, potassium acrylate, crosslinking agent, polymerizer and initiator, stirring are added in mixed powder into step S1
After uniformly, polymerisation 1.5h, reaction temperature is 50 DEG C.Obtain water-retaining agent；
S3. mix
By water-retaining agent prepared by step S2 and bentonite, the sludge of drying, volcanic ash, shell, humic acid, composite fertilizer and have
Machine fertilizer is uniformly mixed, and then heating mixing 20min, finally dries, crushes to obtain modifying agent.
Embodiment 3
A kind of Rocky Desertification Region soil conditioner includes following components according to parts by weight：
30 parts of stalk, give up 15 parts of silk, 3 parts of cornstarch, 10 parts of bentonite, 10 parts of volcanic ash, 10 parts of shell, sludge 5
Part, 6 parts of humic acid, 5 parts of composite fertilizer, 15 parts of organic fertilizer, 1 part of crosslinking agent, 1 part of initiator, 1 part of polymerizer.
The stalk is rape stalk.The sludge is chemical plant sludge.The crosslinking agent crosslinking agent is the crosslinking agent
For the N of 95% concentration, N- methylene-bisacrylamides.The initiator is hydrogen peroxide and potassium peroxydisulfate.The polymerizer is
Ammonium hydroxide.
Preparation method is the same as embodiment 1.
Embodiment 4
A kind of Rocky Desertification Region soil conditioner includes following components according to parts by weight：
35 parts of stalk, give up 10 parts of silk, 5 parts of cornstarch, 6 parts of bentonite, 5 parts of volcanic ash, 5 parts of shell, 5 parts of sludge,
2 parts of humic acid, 10 parts of composite fertilizer, 15 parts of organic fertilizer, 0.5 part of crosslinking agent, 1 part of initiator, 1 part of polymerizer.
The stalk is wheat stalk, rice straw and rape stalk.The sludge is building sludge.The crosslinking agent is
Glycerine, the initiator are hydrogen peroxide and potassium peroxydisulfate.The polymerizer is ammonium hydroxide.
Preparation method is the same as embodiment 1.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim.The equal variation or modification change completed under technical concept suggested by all present invention, should all belong to
Cover the scope of the claims in the present invention.
Claims (7)
1. a kind of Rocky Desertification Region soil conditioner, which is characterized in that include following components according to parts by weight：
30~50 parts of stalk, give up 5~15 parts of silk, 3~8 parts of cornstarch, 1~10 part of bentonite, 5~10 parts of volcanic ash, shellfish
3~10 parts of shell, 5~10 parts of sludge, 2~6 parts of humic acid, 3~10 parts of composite fertilizer, 5~15 parts of organic fertilizer, crosslinking agent 0.2~3
Part, 0.2~3 part of initiator, 1~3 part of polymerizer.
2. Rocky Desertification Region soil conditioner according to claim 1, which is characterized in that the stalk for wheat, rice,
The stalk of corn, rape one or more of which.
3. Rocky Desertification Region soil conditioner according to claim 1, which is characterized in that stalk is first pre-processed,
Preprocessing process is：Stalk is dried, is shredded with shredding machine, then steam blasting, then boiling, boiling are carried out with NaOH aqueous solutions
130~180 DEG C of temperature, 20~40min of digestion time by the stalk after boiling, are washed, filtered, and drying is for use.
4. Rocky Desertification Region soil conditioner according to claim 1, which is characterized in that the sludge is dirty for farm
Mud.
5. Rocky Desertification Region soil conditioner according to claim 1, which is characterized in that the crosslinking agent is glycerine,
The initiator is hydrogen peroxide and potassium peroxydisulfate.
6. the preparation method of the Rocky Desertification Region soil conditioner according to any claim 1-5, which is characterized in that including
Following steps：
S1. pre-process
1) stalk dried, shredded with shredding machine, then steam blasting, straw powder material is made, then by stalk powder NaOH water
Solution carries out boiling, and 130~180 DEG C of boiling temperature, 20~40min of digestion time by the straw powder material after boiling, are washed, taken out
Filter, drying；
2) discarded silk is cleaned, dried and crush to obtain silk powder；
3) 1) treated straw powder material will be passed through and silk powder mixes, and obtain mixed powder；
4) sludge is dried for standby；
S2. graft copolymerization
Cornstarch, potassium acrylate, crosslinking agent, polymerizer and initiator are added in mixed powder into step S1, is stirred evenly
Afterwards, 1~3h of polymerisation obtains water-retaining agent；
S3. mix
Water-retaining agent prepared by step S2 and bentonite, sludge, volcanic ash, shell, humic acid, composite fertilizer and the organic fertilizer of drying
It is uniformly mixed, then 10~20min of heating mixing, finally dries, crushes to obtain modifying agent.
7. the preparation method of Rocky Desertification Region soil conditioner according to claim 6, which is characterized in that will according to right
Seek the Rocky Desertification Region soil conditioner described in 1, which is characterized in that in step S2, polymeric reaction temperature is 30~50 DEG C.
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| CN201711345440.0A CN108102657A (en) | 2017-12-15 | 2017-12-15 | A kind of Rocky Desertification Region soil conditioner and preparation method thereof |
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| CN201711345440.0A CN108102657A (en) | 2017-12-15 | 2017-12-15 | A kind of Rocky Desertification Region soil conditioner and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108702887A (en) * | 2018-06-04 | 2018-10-26 | 长沙小新新能源科技有限公司 | A method of improvement salt-soda soil |
| CN111807906A (en) * | 2020-07-20 | 2020-10-23 | 江西省农业科学院土壤肥料与资源环境研究所 | Soil conditioner containing agricultural wastes as main ingredients |
| CN113861990A (en) * | 2021-09-10 | 2021-12-31 | 湖南凯迪工程科技有限公司 | Preparation and use method and equipment of organic material for desert control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723765A (en) * | 2008-10-10 | 2010-06-09 | 中国科学院沈阳应用生态研究所 | Compound water retention soil conditioner and preparation thereof |
| CN102093119A (en) * | 2009-12-09 | 2011-06-15 | 中国科学院沈阳应用生态研究所 | Special fertilizer for soybean with water holding and soil improving effects and preparation method thereof |
| CN102093118A (en) * | 2009-12-09 | 2011-06-15 | 中国科学院沈阳应用生态研究所 | Special fertilizer for corn with water holding and soil improvement effects and preparation thereof |
-
2017
- 2017-12-15 CN CN201711345440.0A patent/CN108102657A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723765A (en) * | 2008-10-10 | 2010-06-09 | 中国科学院沈阳应用生态研究所 | Compound water retention soil conditioner and preparation thereof |
| CN102093119A (en) * | 2009-12-09 | 2011-06-15 | 中国科学院沈阳应用生态研究所 | Special fertilizer for soybean with water holding and soil improving effects and preparation method thereof |
| CN102093118A (en) * | 2009-12-09 | 2011-06-15 | 中国科学院沈阳应用生态研究所 | Special fertilizer for corn with water holding and soil improvement effects and preparation thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108702887A (en) * | 2018-06-04 | 2018-10-26 | 长沙小新新能源科技有限公司 | A method of improvement salt-soda soil |
| CN111807906A (en) * | 2020-07-20 | 2020-10-23 | 江西省农业科学院土壤肥料与资源环境研究所 | Soil conditioner containing agricultural wastes as main ingredients |
| CN113861990A (en) * | 2021-09-10 | 2021-12-31 | 湖南凯迪工程科技有限公司 | Preparation and use method and equipment of organic material for desert control |
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