CN109362794A - A kind of crops soil-fumigating ball and preparation method thereof - Google Patents
A kind of crops soil-fumigating ball and preparation method thereof Download PDFInfo
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- CN109362794A CN109362794A CN201811515517.9A CN201811515517A CN109362794A CN 109362794 A CN109362794 A CN 109362794A CN 201811515517 A CN201811515517 A CN 201811515517A CN 109362794 A CN109362794 A CN 109362794A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
- A01N25/28—Microcapsules or nanocapsules
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/04—Oxygen or sulfur attached to an aliphatic side-chain of a carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/04—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aldehyde or keto groups, or thio analogues thereof, directly attached to an aromatic ring system, e.g. acetophenone; Derivatives thereof, e.g. acetals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/04—Sulfonic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/04—Carbon disulfide; Carbon monoxide; Carbon dioxide
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Toxicology (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A kind of crops soil-fumigating ball of the present invention and preparation method thereof discloses a kind of stifling ball and preparation method thereof of multilayered structure, can preferably be combined with soil by outside coatings, pollution-free to soil.It is characterized in that being made of fumigant filled cavity, gelatin and coatings, coatings are wrapped up outside gelatin, the gelatin is spherical shell structure, fumigant filled cavity is placed in gelatin set, it can preferably be combined with soil, remaining coatings form penetrating passage in soil layer after stifling, improve the fitting of fumigant and crop ontology, extend the diffusion time of fumigant.
Description
Technical field
A kind of crops soil-fumigating ball of the present invention and preparation method thereof is related to one kind in agricultural plant protection process, to soil
The stifling ball and preparation method thereof that pest is driven away in earth, belongs to field of agricultural cultivation.In particular to a kind of multilayered structure
Stifling ball and preparation method thereof can be combined preferably with soil by outside coatings, pollution-free to soil.
Background technique
Currently, during agricultural planting, it is easy to be influenced by external environment, cause crop yield rate to decline, especially
It is the disease pest in soil, such as former nematode, pathogen etc., traditional agriculture depend on natural weather and carry out insect-pest, " timely snow
Zhao Feng year " is freezed to death the worm's ovum in soil by low temperature, avoids the insect pest of next year, thus when soil major part disease and insect it is overwintering,
The more important place in summer, changes by natural weather, it is difficult to ensure that the stability of agricultural production, and the expeling of subterranean pest-insect exists
The problems such as being administered difficulty, being unevenly distributed, causes to prevent difficulty, fumigant used at present mainly has halogenated alkanes, sulfide, cyanogen
Compound and epoxides etc., such drug mainly chemically carry out pest control, are the fumigation medicaments of natural disposition of going out, and one
Secondary application can kill the pest and disease damage in soil simultaneously, but the disadvantage is that the toxicity to operator is big, exist to ambient soil
It pollutes, the residual life in soil is long, and crop excessive pesticide residues influence edible safety.
It is dimethyl that publication number CN101606533A, which discloses a kind of soil fumigant composition and its application, main component,
Two sulphur are also chloropicrin, four chlorinations comprising one or more of fumigant, fungicide or insecticide and emulsifier, fumigant
One or more of carbon, dichloroethanes, Bromofume, carbon disulfide or propylene oxide, insecticide are phonamiphos, fourth sulphur gram
One or more of Budweiser, Isofenphos methyl or cadusafos, fungicide be Grandox fumigant, enemy can pine, in hymexazol or prothiocarb
One or more, emulsifier is Tween 80, sorbimacrogol oleate100, sorbitanmonolaureate, nonylphenol polyoxyethylene ether (OP-
10), one or more of alkyl phenol polyoxyethylene ether or fatty alcohol polyoxy ether press one by above-mentioned a variety of chemical reagent
Fixed proportion reconciles, and carries out soil-fumigating, but sulfide, halogenated alkanes cause serious pollution to the environment, retention is long in soil, after making
Phase worm's ovum generates antibody, influences drug effect and except insect pest effect.
Summary of the invention
In order to improve above situation, a kind of crops soil-fumigating ball of the present invention and preparation method thereof provides a kind of multilayer
Stifling ball of structure and preparation method thereof can be combined preferably with soil by outside coatings, pollution-free to soil.
A kind of crops soil-fumigating ball of the present invention and preparation method thereof is achieved in that
A kind of crops soil-fumigating ball of the present invention is made of fumigant filled cavity, gelatin and coatings, package packet outside gelatin
Clothing layer, the gelatin are spherical shell structure, and fumigant filled cavity is placed in gelatin set.
The component of coatings described in a kind of crops soil-fumigating ball of the present invention, the raw material including following parts by weight: raw stone
0.1 part of ash, 2 parts of foaming agent and 20 parts of clay；
A kind of crops soil fumigant of the present invention, the raw material including following parts by weight: 4 parts of cottonseed oil, 18 parts of dry ice, paraffin
It is 25 parts of oil, 1 part of benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, 2 parts of lauryl sodium sulfate, antifreeze
3 parts of agent, 2 parts of ethyl mercaptan；
A kind of preparation method of crops soil-fumigating ball of the present invention, comprising the following steps:
1) it takes 10 parts of paraffin oil, 1 part of benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, take cottonseed oil 2
Part, it adds, and reconcile stirring and form mixture, adds time interval 2-3 minutes by said sequence；
2) 2 parts of lauryl sodium sulfate, 3 parts of antifreezing agent are taken, synchronize be added to step 1 formation mixture in, then proceed into
Row stirring, so that component of mixture is uniform；
3) 18 parts of dry ice and 2 parts of cottonseed oil, 15 parts of paraffin oil mixing are taken, the dry ice is graininess, and dry ice surface is equal after mixing
Even to wrap cottonseed oil and paraffin oil, dry ice low temperature makes paraffin oil condense shelling on dry ice surface；
4) it will be mixed made from step 3 by the dry ice that paraffin oil wraps up and the mixture that step 2 obtains, so that outside paraffin oil
Table has one layer of mixture of attachment；
5) dry ice particles for obtaining step 4 are placed in ethyl mercaptan solution, and immersion is sufficiently stirred, so that dry ice surface is uniform
Adhere to one layer of ethyl mercaptan (CH3CH2SH)；
6) dry ice particles that step 5 obtains quickly are placed in gelatin, so that gelatin carries out dry ice particles to be wrapped to form ball
Shape particle；
7) layer processing is coated to the dry ice particles after package, crops soil-fumigating ball is made.
The cottonseed oil is that cottonseed directly squeezes the thick cottonseed oil of acquisition, molecular formula C21H30O4；
The paraffin oil is CnH2n+2(n=18~20)
In use, crops soil-fumigating ball is embedded in the soil body, the variation of soil, air humidity is so that quick lime reaction life
Heat softens gelatin, becomes in conjunction with humidity, and gelatin gradually cracks thawings, and dry ice sublimation is expanded, and gradually takes ethyl mercaptan to soil layer
In, and be stored in soil layer with liquid, after dry ice diffusion distillation, the environment of hypothermia and hypoxia is formed in the soil, so that portion
Insect pest is divided to be choked to death, the stronger insect pest of antagonism, with the recovery of temperature gradually, the liveness and respiratory rate of insect pest become
By force, while ethyl mercaptan volatility also increases, and insect pest absorbs the smell of ethyl mercaptan, stimulates pest, deposits so that pest is lost
Viability；
The cottonseed oil is thick cottonseed oil, can be bonded with crop tuber, pollution-free to rhizome, forms liquid capsule on rhizome surface,
Effective component is adhered to and is wrapped up, avoids volatilizing；
The paraffin oil is under the mating reaction of dry ice, so that paraffin oil condenses outside dry ice,
By effective component benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, lauryl sodium sulfate, prevent
Freeze agent, ethyl mercaptan latching, prevents from being lost；
The dry ice can carry out low temperature storage to the effective component in fumigant, after cooperation quick lime meets water heating, so that bright
Glue melts, and dry ice sublimation expansion so that ambient temperature reduces, and fills CO in the soil body2With the mixture of ethyl mercaptan, make
Obtain the environment that insect pest is in hypothermia and hypoxia；
The quick lime can be chemically reacted, quick lime main component is in the soil body and when the variation of the humidity of air
CaO is chemically reacted as follows:
CaO+H2O= Ca(OH)2 It is distributed with a large amount of heat, dry ice sublimation is at CO2；
Ca(OH)2+ CO2=CaCO3↓+H2O
Product CaCO3 Ca, H can be added for crops2O is further and CaO is reacted, while providing water for crops
Point；
The clay can form package on the outside of gelatin, bonded, preferably carried out simultaneous by the soil body in clay layer and soil
Hold, reduces the pollution to soil；
The foaming agent carries out foaming inside clay and forms hole, so that clay layer forms loose and porous structure, can adsorb
Moisture in air and soil, convenient for the progress of quick lime reaction；
The gelatin can carry out the block of short time to dry ice, be increased by humidity, and gelatin gradually melts, by dry ice and effectively
Ingredient release, gradually discharges dry ice, extends the storage time of dry ice；
The ethyl mercaptan boiling point is 36.2 DEG C, can be vaporized by quick lime reaction heat, and be diffused in soil layer, and cooperation is dry
The CO of ice distillation release2, ethyl mercaptan gradually condenses under the influence of dry ice low temperature in diffusion process, and infiltrates into soil,
When the hypothermia and hypoxia of dry ice is purged worm's ovum, pest, ethyl mercaptan is stored in soil with liquid, with the effect of dry ice
Subside, temperature is stepped up, and ethyl mercaptan volatilizees in soil, is further smoked to the not killed worm's ovum in soil
It steams, so that pest death by suffocation；
Achieve the purpose that carry out crops stifling except insect pest.
Beneficial effect.
One, structure is simple, convenient and practical.
Two, it can be improved the feature of environmental protection of fumigant, reduce the pollution to soil.
Three, it can preferably be combined with soil, remaining coatings form penetrating passage in soil layer after fumigating.
Four, the fitting that can be improved fumigant and crop ontology extends the diffusion time of fumigant.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of crops soil fumigant of the present invention.
In attached drawing
Wherein part are as follows: fumigant filled cavity (1), gelatin (2), coatings (3).
Specific embodiment:
A kind of crops soil-fumigating ball of the present invention and preparation method thereof is achieved in that
A kind of crops soil-fumigating ball of the present invention is made of fumigant filled cavity (1), gelatin (2) and coatings (3), gelatin
(2) external to wrap up coatings (3), the gelatin (2) is spherical shell structure, and fumigant filled cavity (1) is placed in gelatin (2) set.
The component of coatings (3) described in a kind of crops soil-fumigating ball of the present invention, the raw material including following parts by weight: raw
0.1 part of lime, 2 parts of foaming agent and 20 parts of clay；
A kind of crops soil fumigant of the present invention, the raw material including following parts by weight: 4 parts of cottonseed oil, 18 parts of dry ice, paraffin
It is 25 parts of oil, 1 part of benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, 2 parts of lauryl sodium sulfate, antifreeze
3 parts of agent, 2 parts of ethyl mercaptan；
A kind of preparation method of crops soil-fumigating ball of the present invention, comprising the following steps:
1) it takes 10 parts of paraffin oil, 1 part of benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, take cottonseed oil 2
Part, it adds, and reconcile stirring and form mixture, adds time interval 2-3 minutes by said sequence；
2) 2 parts of lauryl sodium sulfate, 3 parts of antifreezing agent are taken, synchronize be added to step 1 formation mixture in, then proceed into
Row stirring, so that component of mixture is uniform；
3) 18 parts of dry ice and 2 parts of cottonseed oil, 15 parts of paraffin oil mixing are taken, the dry ice is graininess, and dry ice surface is equal after mixing
Even to wrap cottonseed oil and paraffin oil, dry ice low temperature makes paraffin oil condense shelling on dry ice surface；
4) it will be mixed made from step 3 by the dry ice that paraffin oil wraps up and the mixture that step 2 obtains, so that outside paraffin oil
Table has one layer of mixture of attachment；
5) dry ice particles for obtaining step 4 are placed in ethyl mercaptan solution, and immersion is sufficiently stirred, so that dry ice surface is uniform
Adhere to one layer of ethyl mercaptan (CH3CH2SH)；
6) dry ice particles that step 5 obtains quickly are placed in gelatin (2), so that gelatin (2) wraps up dry ice particles
Form spherical particle；
7) processing is coated to the dry ice particles after package, crops soil-fumigating ball is made.
The cottonseed oil is that cottonseed directly squeezes the thick cottonseed oil of acquisition, molecular formula C21H30O4；
The paraffin oil is CnH2n+2(n=18~20)
In use, crops soil-fumigating ball is embedded in the soil body, the variation of soil, air humidity is so that quick lime reaction life
Heat softens gelatin (2), becomes in conjunction with humidity, and gelatin (2) gradually crack thawing, and dry ice sublimation is expanded, and by ethyl mercaptan gradually band
It is stored in soil layer into soil layer, and with liquid, after dry ice diffusion distillation, forms the environment of hypothermia and hypoxia in the soil,
So that part insect pest is choked to death, and the stronger insect pest of antagonism, with the recovery of temperature gradually, the liveness of insect pest and breathing
Rate becomes strong, while ethyl mercaptan volatility also increases, and insect pest absorbs the smell of ethyl mercaptan, stimulates pest, so that pest loses
Lose survival ability；
The cottonseed oil is thick cottonseed oil, can be bonded with crop tuber, pollution-free to rhizome, forms liquid capsule on rhizome surface,
Effective component is adhered to and is wrapped up, avoids volatilizing；
The paraffin oil is under the mating reaction of dry ice, so that paraffin oil condenses outside dry ice,
By effective component benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, lauryl sodium sulfate, prevent
Freeze agent, ethyl mercaptan latching, prevents from being lost；
The dry ice can carry out low temperature storage to the effective component in fumigant, after cooperation quick lime meets water heating, so that bright
Glue (2) melts, and dry ice sublimation expansion so that ambient temperature reduces, and fills CO in the soil body2With the mixing of ethyl mercaptan
Object, so that insect pest is in the environment of hypothermia and hypoxia；
The quick lime can be chemically reacted, quick lime main component is in the soil body and when the variation of the humidity of air
CaO is chemically reacted as follows:
CaO+H2O= Ca(OH)2 It is distributed with a large amount of heat, dry ice sublimation is at CO2；
Ca(OH)2+ CO2=CaCO3↓+H2O
Product CaCO3 Ca, H can be added for crops2O is further and CaO is reacted, while providing water for crops
Point；
The clay can form package on the outside of gelatin (2), be bonded by the soil body in clay layer and soil, preferably carry out
It is compatible, reduce the pollution to soil；
The foaming agent carries out foaming inside clay and forms hole, so that clay layer forms loose and porous structure, can adsorb
Moisture in air and soil, convenient for the progress of quick lime reaction；
The gelatin (2) can carry out the block of short time to dry ice, be increased by humidity, gelatin (2) gradually melts, by dry ice
It is discharged with effective component, dry ice is gradually discharged, the storage time of dry ice is extended；
The ethyl mercaptan boiling point is 36.2 DEG C, can be vaporized by quick lime reaction heat, and be diffused in soil layer, and cooperation is dry
The CO of ice distillation release2, ethyl mercaptan gradually condenses under the influence of dry ice low temperature in diffusion process, and infiltrates into soil,
When the hypothermia and hypoxia of dry ice is purged worm's ovum, pest, ethyl mercaptan is stored in soil with liquid, with the effect of dry ice
Subside, temperature is stepped up, and ethyl mercaptan volatilizees in soil, is further smoked to the not killed worm's ovum in soil
It steams, so that pest death by suffocation；
Achieve the purpose that carry out crops stifling except insect pest.
A kind of crops soil-fumigating ball of the present invention and preparation method thereof, the crops soil-fumigating ball of preparation is most
Fortunately it is prepared and is saved under low-temp low-pressure, to prevent dry ice sublimation；When in use, it is also desirable to quickly be embedded in the soil body
In, the exposure for a long time of crops soil-fumigating ball cannot be made in air；
Achieve the purpose that carry out crops stifling except insect pest.
Claims (4)
1. a kind of crops soil-fumigating ball, it is characterized in that: being made of fumigant filled cavity, gelatin and coatings, outside gelatin
Coatings are wrapped up, the gelatin is spherical shell structure, and fumigant filled cavity is placed in gelatin set, and fumigant filling is placed in gelatin set
It is interior.
2. a kind of crops soil-fumigating ball according to claim 1, it is characterised in that the component of the coatings, including
The raw material of following parts by weight: 0.1 part of quick lime, 2 parts of foaming agent and 20 parts of clay.
3. a kind of crops soil fumigant, it is characterised in that the raw material including following parts by weight: 4 parts of cottonseed oil, dry ice 18
Part, 25 parts of paraffin oil, 1 part of benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, lauryl sodium sulfate 2
Part, 3 parts of antifreezing agent, 2 parts of ethyl mercaptan.
4. a kind of preparation method of crops soil-fumigating ball, it is characterised in that the following steps are included:
1) it takes 10 parts of paraffin oil, 1 part of benzene second camphor tree (or α-methylstyrene) phenol formaldehyde resin polyoxyethylene ether, take cottonseed oil 2
Part, it adds, and reconcile stirring and form mixture, adds time interval 2-3 minutes by said sequence；
2) 2 parts of lauryl sodium sulfate, 3 parts of antifreezing agent are taken, synchronize be added to step 1 formation mixture in, then proceed into
Row stirring, so that component of mixture is uniform；
3) 18 parts of dry ice and 2 parts of cottonseed oil, 15 parts of paraffin oil mixing are taken, the dry ice is graininess, and dry ice surface is equal after mixing
Even to wrap cottonseed oil and paraffin oil, dry ice low temperature makes paraffin oil condense shelling on dry ice surface；
4) it will be mixed made from step 3 by the dry ice that paraffin oil wraps up and the mixture that step 2 obtains, so that outside paraffin oil
Table has one layer of mixture of attachment；
5) dry ice particles for obtaining step 4 are placed in ethyl mercaptan solution, and immersion is sufficiently stirred, so that dry ice surface is uniform
Adhere to one layer of ethyl mercaptan (CH3CH2SH)；
6) dry ice particles that step 5 obtains quickly are placed in gelatin, so that gelatin carries out dry ice particles to be wrapped to form ball
Shape particle；
7) processing is coated to the dry ice particles after package.
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|---|---|---|---|
| CN201811515517.9A CN109362794B (en) | 2018-12-12 | 2018-12-12 | Crop soil fumigation ball and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515517.9A CN109362794B (en) | 2018-12-12 | 2018-12-12 | Crop soil fumigation ball and preparation method thereof |
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| CN109362794A true CN109362794A (en) | 2019-02-22 |
| CN109362794B CN109362794B (en) | 2021-08-31 |
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| CN101919383A (en) * | 2010-08-31 | 2010-12-22 | 山东农业大学 | Soil-fumigating nematicide and using method thereof |
| CN101971835A (en) * | 2010-09-26 | 2011-02-16 | 韩景良 | Soil particle fumigant |
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2018
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| CN101491242A (en) * | 2008-01-24 | 2009-07-29 | 中国农业科学院植物保护研究所 | Application technique of dimethyl disulfide as soil fumigant |
| CN101491244A (en) * | 2008-01-24 | 2009-07-29 | 中国农业科学院植物保护研究所 | Application technique of compound of dimethyl disulfide and chloreopicrin as soil fumigant |
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