CN107286945A - Peanut Fields all-degradable liquid film and its preparation method and application - Google Patents
Peanut Fields all-degradable liquid film and its preparation method and application Download PDFInfo
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- CN107286945A CN107286945A CN201710624135.9A CN201710624135A CN107286945A CN 107286945 A CN107286945 A CN 107286945A CN 201710624135 A CN201710624135 A CN 201710624135A CN 107286945 A CN107286945 A CN 107286945A
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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
- C09K17/52—Mulches
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Organic Chemistry (AREA)
- Biological Depolymerization Polymers (AREA)
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Abstract
The invention provides a kind of Peanut Fields all-degradable liquid film, belong to agricultural production application field.Constituent includes：Seawood meal, sodium carboxymethylcellulose, ammonium carbonate, chitin, potassium fulvate, sodium carbonate, phenylpropyl alcohol methyl cyclic-azole, brassin lactones, hymexazol, beer and water.The liquid film of the present invention can improve ground temperature, good water-retaining property, humic acid is decomposed into after seawood meal corruption, mulch film is thoroughly solved to Soil Environmental Pollution, eliminates the labour cost produced by cleaning mulch film, plant nutrient is added again simultaneously, plays a part of disease-resistant, volume increase.Manufacture craft is simple, and stability is good, with strong points, and convenient transportation, cost is low, saves a large amount of man power and materials, simple to operate, it is easy to promote.
Description
Technical field
The invention belongs to agricultural production application field, and in particular to a kind of Peanut Fields all-degradable liquid film and preparation method thereof
And application.
Background technology
China is to account for the minimum country of water per capita in the world, and control water resource abuse and reasonable application water resource will be
Following developing direction.Covering with ground sheeting can be with the use of effectively save water, and existing mulch film is more based on plastic film, although right
Water has certain saving effect, but the recovery of mulch film is the work wasted time and energy, and the plastic film after recovery is almost
It is non-degradable, it is easy to cause environmental pollution.
It is existing, using agricultural crop straw as primary raw material, with reference to the macromolecular liquid of the formation such as lignin, collagen
Film, although the problem of white pollution being solved, but there is the problem of film formation time is short, to the later stage drought resisting effect of plant very
Difference, and into there is no toughness after mulch film, cause earth's surface easily to ftracture.
The content of the invention
There is provided a kind of special all-degradable liquid film of Peanut Fields for deficiency of the invention for the presence of current liquid film.
The invention provides a kind of Peanut Fields all-degradable liquid film, every 800~1500ml water includes the original of following components
Material：50~150g of seawood meal, 5~40g of sodium carboxymethylcellulose, 1~12g of ammonium carbonate, 0.01~0.5g of sodium carbonate, chitin 1
~15g, 0.01~1g of potassium fulvate, 0.1~1g of phenylpropyl alcohol methyl cyclic-azole, 1~10g of brassin lactones, 1~10g of hymexazol, beer 10
~50ml.
It is preferred that, every 900~1200ml water includes following raw material：80~120g of seawood meal, sodium carboxymethylcellulose 10
~30g, 3~8g of ammonium carbonate, 0.05~0.2g of sodium carbonate, 5~10g of chitin, 0.1~0.8g of potassium fulvate, phenylpropyl alcohol methyl cyclic-azole
0.3~0.8g, 3~8g of brassin lactones, 3~8g of hymexazol, 20~30ml of beer.
It is preferred that, described liquid film is neutrality, has viscous liquid.
It is preferred that, described beer is rotten beer.
The invention provides a kind of preparation method of Peanut Fields all-degradable liquid film, comprise the following steps：
(a) by seawood meal, sodium carboxymethylcellulose, ammonium carbonate, sodium carbonate, chitin, potassium fulvate, phenylpropyl alcohol methyl cyclic-azole,
Brassin lactones and hymexazol mixing, obtain solid-phase material；
(b) solid-phase material for obtaining the step (a) is mixed with beer；
(c) stir, filter after the mixed material for obtaining the step (b) is mixed with water, obtained liquid phase component is complete
Degradation liquid film.
It is preferred that, the temperature stirred described in step (c) is 40~45 DEG C, and the speed of stirring is 10~20 revs/min, is stirred
The time mixed is 1~5 minute.
It is preferred that, obtained feed liquid sedimentation will be stirred before being filtered described in step (c).
It is preferred that, the temperature of the sedimentation is 40~45 DEG C, and the time of the sedimentation is 10~40 hours.
It is preferred that, it is described to be filtered into：Cross 100~500 mesh sieves.
The invention provides a kind of application of all-degradable liquid film in Peanut Fields.
It is preferred that, 0.8~1.2kg/ mus of the amount of application of the liquid film, the application is：Liquid film and water are pressed 1:30
~1:50 weight after mixing than imposing in Peanut Fields.
Beneficial effect
Compared with prior art, the Peanut Fields all-degradable liquid film beneficial effect that the present invention is provided is：
The liquid film that the present invention is provided is covered in earth's surface due to (1), is dark brown, can absorb amount of solar heat, have
Heat the function of temperature raising；(2) coating of liquid-state mulch film be the soil 1-3 centimeters of soil top layer to connecting, form one
The gelatinous layer of semi-enclosed " native film " form of layer, existing permeability has certain sealing process again, it is suppressed that the steaming of part moisture
Hair, thus the water conservation of mulch film, insulating power can be improved；Test effect shows, compared to room temperature, and 5cm can improve 3~5 DEG C under film,
10cm can improve 4~8 DEG C under film；In the present invention, the seawood meal is decomposed into humic acid after degenerating 3 months, thoroughly solves
Mulch film is to soil and environmental pollution, while adding fertilizer again, containing phenylpropyl alcohol methyl cyclic-azole, evil bacterium spirit etc. because in, plays disease-resistant, increasing
The effect of production；
The liquid film that the present invention is provided is when in use, i.e. sprayable after being watered, easy to use, and saving of work and time is easy to operate,
It is easy to spread；And after using the liquid film, can be emerged naturally without artificial seedling setting when emerging, save substantial amounts of manpower thing
Power；
The liquid film preparation method technique that the present invention is provided is simple, and stability is good；With strong points, convenient transportation, cost is low.
Embodiment
The invention provides a kind of Peanut Fields all-degradable liquid film, every 800~1500ml water includes the original of following components
Material：50~150g of seawood meal, 5~40g of sodium carboxymethylcellulose, 1~12g of ammonium carbonate, 0.01~0.5g of sodium carbonate, chitin 1
~15g, 0.01~1g of potassium fulvate, 0.1~1g of phenylpropyl alcohol methyl cyclic-azole, 1~10g of brassin lactones, 1~10g of hymexazol, beer 10
~50ml.
The liquid film that the present invention is provided, it is preferred that every 900~1200ml water includes following raw material：Seawood meal 80~
120g, 10~30g of sodium carboxymethylcellulose, 3~8g of ammonium carbonate, 0.05~0.2g of sodium carbonate, 5~10g of chitin, potassium fulvate
0.1~0.8g, 0.3~0.8g of phenylpropyl alcohol methyl cyclic-azole, 3~8g of brassin lactones, 3~8g of hymexazol, 20~30ml of beer.
Seawood meal in embodiments of the invention, sodium carboxymethylcellulose, ammonium carbonate, sodium carbonate, chitin, potassium fulvate,
Phenylpropyl alcohol methyl cyclic-azole, brassin lactones, hymexazol, beer select commercially available kind.
In the present invention, seawood meal, sodium cellulose glycolate, chitin are used as film forming agent；Brassin lactones, ammonium carbonate conduct
Conditioning agent；Sodium carbonate is used as foaming agent；Beer is used as effervescent agent；Phenylpropyl alcohol methyl cyclic-azole, evil bacterium spirit are used as bactericide.
In the present invention, humic acid is decomposed into after seawood meal corruption, mineral grogs can be bonded to the small of 0.25-10mm diameters
Agglomerate, with soaked not scattered water stability feature.This is the key point of liquid film insulation soil moisture conservation.Specifically mechanism is：(1) exist
, can chesson, dredging air, raising ground temperature under soil granular structure.(2) be conducive to the activity of edaphon, promote to have
The decomposition of machine material, increases soil nutrient deliverability, improves nutritional condition.(3) soil moisture is adjusted, increase soil reclaimed water is steady
Property crumb structure quantity.Crumb structure is the small agglomerate that humus in soil is bonded to mineral grogs 0.25-10mm diameters,
With soaked not scattered water stability feature, thus the effect that soil moisture conservation is taked precautions against drought can be reached.
In the present invention, described beer is preferably rotten beer, more preferably opens room temperature 3~7 days after bottle cap
Rotten beer.
In the present invention, the liquid film is sticking oil-based liquid；The density for the liquid film that the present invention is provided is preferred
For 1~1.5g/cm3, more preferably 1.05~1.2g/cm3；The pH value for the liquid film that the present invention is provided is preferably 6~8, more preferably
For 6.5~7.2.
The invention provides a kind of preparation method of Peanut Fields all-degradable liquid film, comprise the following steps：
(a) by seawood meal, sodium carboxymethylcellulose, ammonium carbonate, sodium carbonate, chitin, potassium fulvate, phenylpropyl alcohol methyl cyclic-azole,
Brassin lactones and hymexazol mixing, obtain solid-phase material；
(b) solid-phase material for obtaining the step (a) is mixed with beer；
(c) stir, filter after the mixed material for obtaining the step (b) is mixed with water, obtained liquid phase component is complete
Degradation liquid film.
In the present invention, ammonium carbonate is added after preferably mixing seawood meal, sodium carboxymethylcellulose, the first solid formation is obtained
Material.In the present invention, the mixing is preferably mixing under stirring condition, and the temperature of the stirring is preferably 55~60 DEG C, more excellent
Elect 57~59 DEG C, most preferably 58.6 DEG C as；The speed of the stirring is preferably 100~125r/min, more preferably 108~
117r/min, most preferably 110r/min；The time of the stirring is preferably 15~30min, more preferably 18~22min, most
Preferably 20min.In the present invention, sodium carboxymethylcellulose is ammonium carbonate and the divider wall of seawood meal, is made each other not
Reaction, falls in the online of sodium carboxymethylcellulose specifically, producing alginic acid after seawood meal hydrolysis, and gas is produced after ammonium carbonate hydrolysis
Body filling soil hole, while chitin or film forming agent can also be made not to decline, adjusts pH value.
In the present invention, preferably chitin, potassium fulvate and sodium carbonate are mixed, second solid phase material is obtained；It is furthermore preferred that
Mix under agitation.In the present invention, the temperature of the stirring is preferably 50~60 DEG C, more preferably 54~56 DEG C, most
Preferably 55.1 DEG C；The speed of the stirring is preferably 270~500r/min, more preferably 290~350r/min, is most preferably
300r/min；The time of the stirring is preferably 20~60min, more preferably 30~45min, most preferably 41min.The present invention
Middle potassium fulvate makes not react between chitin and sodium carbonate as chitin and the divider wall of sodium carbonate.
In the present invention, it is preferred to which benzene first propiconazole, brassin lactones are mixed under agitation with vicious spirit, is obtained
Three solid materials.In the present invention, the temperature of the stirring is preferably 80~120 DEG C, more preferably 85~92 DEG C, is most preferably
87.6℃；The speed of the stirring is preferably 80~120r/min, more preferably 96~110r/min, most preferably 97r/min；
The time of the stirring is preferably 20~25min, more preferably 21~24min, most preferably 22min.
In the present invention, it is preferred that mixing direction and benzene first propiconazole, rue when chitin, potassium fulvate, sodium carbonate mixing
Tongue element lactone, it is vicious spirit mixing when mixing direction on the contrary, it is furthermore preferred that chitin, potassium fulvate, sodium carbonate mixing when the inverse time
Pin Stirring, turn clockwise stirring when benzene first propiconazole, brassin lactones, vicious spirit mixing.In the present invention, in brassin
Ester can protect benzene first propiconazole and vicious spirit, it is not reacted, and bactericidal effect can be expanded by being used in mixed way.
In the present invention, obtain after the first solid-phase material, second solid phase material and the 3rd solid-phase material, mix, obtain solid phase
Material.In the present invention, the mixing is preferably stirring mixing；The speed of the stirring is preferably 40~50r/min, more preferably
For 45r/min；The time of the stirring is 2~5min, more preferably 3min.
Obtain after solid-phase material, the present invention is mixed with water again after the solid-phase material is mixed with beer.In the present invention,
The mixing is independently stirring mixing, and the temperature of the stirring is preferably 40~50 DEG C, more preferably 42~46 DEG C, optimal
Elect 43 DEG C as；The speed of the stirring, preferably 15~20r/min, more preferably 16~18r/min, most preferably 17r/
min；The time of the stirring, preferably 1~5min, more preferably 2~3min, most preferably 2min.It is described to stir preferably
To be rotated one minute to counterclockwise, each clockwise；It is first rear clockwise counterclockwise when more preferably stirring.
Obtain after mixed liquor, by the mixing liquid precipitate, filtering in the present invention, obtained liquid phase component is degradable liquid
Body film.In the present invention, the precipitation is preferably staticly settled at room temperature；The time staticly settled is preferably 20~36h,
More preferably 24h.In the present invention, the filtering is preferably sieving filtering；The aperture of the sieving is preferably 200~500 mesh,
More preferably 300~400 mesh.
The invention provides a kind of application of all-degradable liquid film in Peanut Fields, preferably by liquid described in above-mentioned technical proposal
Body film presses 1 with water:30~1:50 weight after mixing than spraying in Peanut Fields.It is furthermore preferred that soil moisture is 50% or so
When, 30 times of the liquid film is diluted, when soil moisture is 30% or so, 50 times of the liquid film is diluted.In the present invention, it is described
The amount of application of liquid film is preferably 0.8~1.2kg/ mus, and the thickness of sprinkling film is 0.04~0.08 micron.
Below in conjunction with the embodiment in the present invention, the technical scheme in the present invention is clearly and completely described.It is aobvious
So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
In the scope of protection of the invention.
Embodiment 1
Claim seawood meal 100g, sodium carboxymethylcellulose 20g, ammonium carbonate 5g, chitin 6g, potassium fulvate 0.5g, sodium carbonate
0.1g, benzene first propiconazole 0.5g, brassin lactones 5g, vicious clever 5g, by seawood meal, sodium carboxymethylcellulose and ammonium carbonate, first
Shell element, potassium fulvate and sodium carbonate, and benzene first propiconazole, brassin lactones are mixed respectively with vicious spirit, all by what is obtained
After mixture is mixed with 25ml beer, it is added in 1000ml water, after being sufficiently mixed, precipitation crosses 300 mesh sieves, obtains Peanut Fields complete
Degradation liquid film.
Embodiment 2
Claim seawood meal 150g, sodium carboxymethylcellulose 5g, ammonium carbonate 1g, chitin 1g, potassium fulvate 0.01g, sodium carbonate
0.01g, benzene first propiconazole 0.1g, brassin lactones 1g, vicious clever 1g, by seawood meal, sodium carboxymethylcellulose and ammonium carbonate, first
Shell element, potassium fulvate and sodium carbonate, and benzene first propiconazole, brassin lactones are mixed respectively with vicious spirit, all by what is obtained
After mixture is mixed with 10ml beer, it is added in 800ml water, after being sufficiently mixed, precipitation crosses 300 mesh sieves, obtains Peanut Fields high-fall
Solve liquid film.
Embodiment 3
Claim seawood meal 80g, sodium carboxymethylcellulose 30g, ammonium carbonate 1g, chitin 10g, potassium fulvate 0.2g, sodium carbonate
0.4g, benzene first propiconazole 0.8g, brassin lactones 7g, vicious clever 6g, by seawood meal, sodium carboxymethylcellulose and ammonium carbonate, first
Shell element, potassium fulvate and sodium carbonate, and benzene first propiconazole, brassin lactones are mixed respectively with vicious spirit, all by what is obtained
After mixture is mixed with 40ml beer, it is added in 1200ml water, after being sufficiently mixed, precipitation crosses 300 mesh sieves, obtains Peanut Fields complete
Degradation liquid film.
Embodiment 4
Claim seawood meal 50g, sodium carboxymethylcellulose 40g, ammonium carbonate 12g, chitin 15g, potassium fulvate 0.5g, sodium carbonate
0.5g, benzene first propiconazole 1g, brassin lactones 10g, vicious clever 10g, by seawood meal, sodium carboxymethylcellulose and ammonium carbonate, first
Shell element, potassium fulvate and sodium carbonate, and benzene first propiconazole, brassin lactones are mixed respectively with vicious spirit, all by what is obtained
After mixture is mixed with 50ml beer, it is added in 1500ml water, after being sufficiently mixed, precipitation crosses 300 mesh sieves, obtains Peanut Fields complete
Degradation liquid film.
Embodiment 5
The Peanut Fields all-degradable liquid film that embodiment 1~4 is obtained, is used in Peanut Fields as experimental group (SM),
And setting does not spray liquid film, remaining operates identical blank control group (CK), and the white mulch film of paving, and remaining has been operated
Exactly the same contrast groups (DB), its application method is：Closing herbicide can be combined to be administered simultaneously, 1 kilogram of stoste is applied on every mu of ground,
When soil moisture is 50%, 30 times of dilution is watered, when soil moisture is 30%, 50 times of administrations of dilution, spraying time are watered
For morning or dusk.Temperature comparisons are as shown in table 1 under soil：
Temperature change table (unit under the film of table 1.：℃)
Determined through TDR time-domain reflectomers, liquid ground film experimental group and control group water holding capacity measure volumetric water content of soil
As a result it is as shown in table 2：
The retention capacity of soil of table 2. contrasts (unit：%)
To sum up, Peanut Fields all-degradable liquid film have it is good heat, water conservation, soil moisture conservation, the effect kept a full stand of seedings can be paddy rice
Growth provides special nutrition, there is the attached ability of potent brill again, and grogs can be coupled to preferable aggregate, improves soil particle
Capillarity, improves the permeability of soil, as soil conditioner.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of Peanut Fields all-degradable liquid film, it is characterised in that every 800~1500ml water includes the raw material of following components：
50~150g of seawood meal, 5~40g of sodium carboxymethylcellulose, 1~12g of ammonium carbonate, 0.01~0.5g of sodium carbonate, chitin 1~
15g, 0.01~1g of potassium fulvate, 0.1~1g of phenylpropyl alcohol methyl cyclic-azole, 1~10g of brassin lactones, 1~10g of hymexazol, beer 10~
50ml。
2. all-degradable liquid film according to claim 1, it is characterised in that every 900~1200ml water includes following original
Material：80~120g of seawood meal, 10~30g of sodium carboxymethylcellulose, 3~8g of ammonium carbonate, 0.05~0.2g of sodium carbonate, chitin 5
~10g, 0.1~0.8g of potassium fulvate, 0.3~0.8g of phenylpropyl alcohol methyl cyclic-azole, 3~8g of brassin lactones, 3~8g of hymexazol, beer
20~30ml.
3. all-degradable liquid film according to claim 1 or 2, it is characterised in that described liquid film is neutrality, has viscosity
Liquid.
4. all-degradable liquid film according to claim 1 or 2, it is characterised in that described beer is rotten beer.
5. the preparation method of Claims 1 to 4 any one Peanut Fields all-degradable liquid film, comprises the following steps：
(a) by seawood meal, sodium carboxymethylcellulose, ammonium carbonate, sodium carbonate, chitin, potassium fulvate, phenylpropyl alcohol methyl cyclic-azole, rape
Plain lactone and hymexazol mixing, obtain solid-phase material；
(b) solid-phase material for obtaining the step (a) is mixed with beer；
(c) stir, filter after the mixed material for obtaining the step (b) is mixed with water, obtained liquid phase component is degradable
Liquid film.
6. preparation method according to claim 5, it is characterised in that the temperature stirred described in step (c) is 40~45
DEG C, the speed of stirring is 10~20 revs/min, and the time of stirring is 1~5 minute.
7. preparation method according to claim 5, it is characterised in that will stir what is obtained before being filtered described in step (c)
Feed liquid is settled.
8. preparation method according to claim 7, it is characterised in that the temperature of the sedimentation is 40~45 DEG C, described heavy
The time of drop is 10~40 hours.
9. the preparation method according to claim 5,7 or 8, it is characterised in that described to be filtered into：Cross 100~500 mesh sieves.
10. preparation method described in all-degradable liquid film described in Claims 1 to 4 any one or claim 5~9 any one
Application of the obtained all-degradable liquid film in Peanut Fields.
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Application publication date: 20171024 |