CN106665181A - Imitated-skin water-absorbing breathable charcoal cup and preparation method thereof - Google Patents

Imitated-skin water-absorbing breathable charcoal cup and preparation method thereof Download PDF

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Publication number
CN106665181A
CN106665181A CN201710016298.9A CN201710016298A CN106665181A CN 106665181 A CN106665181 A CN 106665181A CN 201710016298 A CN201710016298 A CN 201710016298A CN 106665181 A CN106665181 A CN 106665181A
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cup
charcoal
parts
ventilative
charcoal cup
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刘继强
刘声雁
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/029Receptacles for seedlings
    • A01G9/0291Planting receptacles specially adapted for remaining in the soil after planting
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/34Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
    • C04B28/344Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00758Uses not provided for elsewhere in C04B2111/00 for agri-, sylvi- or piscicultural or cattle-breeding applications

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Paper (AREA)

Abstract

The invention belongs to the technical field of biological black charcoal and relates to an imitated-skin water-absorbing breathable charcoal cup adopting a novel planting mode and a preparation method thereof. The imitated-skin water-absorbing breathable charcoal cup is mainly prepared by using powdered charcoal with a porous structure and paper fiber as main materials, and the surface tension of the inner wall of the charcoal cup is smaller than 72 dynes (at the normal temperature of 24 DEG C) and is generally in the range of 64-67 dynes (water temperature of 30-70 DEG C). Existing resources are fully utilized, clean and environment-friendly resource recycling can be achieved, and the imitated-skin water-absorbing breathable charcoal cup has good economic and social benefits.

Description

Ventilative charcoal cup of imitation leather skin water suction and preparation method thereof
Technical field
It is that one kind of Desert Control and salt-soda soil and drought and water-scarce area is new the invention belongs to biological black wood charcoal technical field The product of type planting patternss.
Background technology
First, it is that also someone is said to be the cancer of the earth to tellurian scar that people claim desert and salt-soda soil, it is difficult to cured.I State's incomplete statistics, has reached 168.9 ten thousand square kilometres, accounts for the 17.6% of area, and with annual 2460 square kilometres Speed expanded.Secondly according to UNESCO and food and agricultural organization's incomplete statistics, the area in whole world salt-soda soil is 9.5438 hundred million hectares, wherein China is 99,130,000 hectares, and to desert and Saline-alkali Field Control related national layer has early been had been raised to Face.
2nd, biological black wood charcoal technology has caused the extensive concern of advanced country in the world:U.S. government pays much attention to as to this, Agriculture black wood charcoal is listed in agricultural science and technology focus development project.Japanese government promotes increases in grain production to keep soil fertility, issues within 1986 Cloth《Soil fertility promotion law implements order》, it is intended that Linesless charcoal regards soil improvement material.
2008, the House of Representatives of the United States Federal passed through the farm bill of 2008 foods and energy security, first in federal layer Face is established to whole world biology black wood charcoal research, production, application and the incentive mechanism promoted, and specially set up farm management funds support Biomass carbon conversion and the research of biological black wood charcoal and demonstration, to promote contribution of the agricultural biomass energy to world energy sources.
In June, 2009US CongressThe hearing of biomass carbon conversion and biological black wood charcoal agricultural application is held, comprehensively opinion Demonstrate,prove biological black wood charcoal agricultural to apply the research of slowing global warming, promote and policy issue.Biomass black wood charcoal has been put into the world The western developed countries such as developed country's development plan, the U.S. are organizing black wood charcoal alliance, U.S.'s relevant enterprise to make great efforts to seize Biomass carbonated technology commanding elevation.
3rd, in recent years so that cotton planting industry is greatly developed in Xinjiang as an example, mulch film is used as important capital goods in the agricultural sector morning Just it is widely used on the agricultural planting in the north on particularly cotton planting, although promoting the local agriculturals such as northwest and being similar to The further development of the crops industry such as Cotton Gossypii, Semen sojae atricolor, improves the economic development using ground, but life-time service mulch film causes ground Film residual constantly gradually increases in soil, and the pollution for having caused mulch film to remain now has become in agricultural development New problem problem.
The mulch film of residual not only changes the physicochemical character of agricultural land soil, has broken the micro- balance of ecological environment, and right The aspects such as growth promoter, agro-farming operation, the ecological environment of crops bring and very many generate negative effect.Difference is made The mulch film residual quantity of thing has difference, and by taking Cotton Fields in Xinjiang as an example, the average residual quantity of mulch film is about 90 kilograms/hectare, and this is residual Stay in the statistical data of lower more than 15 centimeters of earth's surface, the average residual quantity data of annual mulch film also increase in a dynamic way.
The content of the invention
The purpose of the present invention is to be directed to above-mentioned present situation, and a kind of ventilative charcoal cup of imitation leather skin water suction of proposition and its preparation side Method.
The skin of the mankind has two outstanding features:One is to breathe, one be can be by internal perspiration from internal Eject, and extracutaneous moisture enters not going.The characteristics of the breathing freely charcoal cup that absorb water of the invention is this One function for imitating skin, Except being breathed freely or be breathed freely outside to inside outside this feature by cup to cup in addition to from cup, the ventilative charcoal cup of water suction can also allow outside cup Moisture penetration is entered in cup, and the moisture in cup does not permeate not go out.
The present invention's is achieved like this:The ventilative charcoal cup of imitation leather skin water suction, it is characterised in that it by loose structure charcoal Powder and paper fiber are made up of main material, and charcoal cup inner wall surface tension force is less than 72 dynes(24 DEG C of room temperature).
Preferably, charcoal cup inner wall surface tension force is between 64--67 dyne for the present invention(Water temperature is at 30 DEG C -- and 70 DEG C).
The preparation method of the ventilative charcoal cup of imitation leather skin of the present invention water suction, it is characterised in that it by following mass fraction material Material is obtained, in terms of 100 parts:Powdered carbon(It is more than 200 mesh)39.98-79.92 parts, paper fiber(Butt)10-20 parts, waterglass 3-5 Part, Oxytarch 4-6 parts, sodium hexameta phosphate(Powdery)0.5-1.5 parts, water 10-20 parts, emulsified mixing oil 0.02-0.08 parts;
Preparation process is comprised the following steps:
1)By the powdered carbon for having crushed, paper fiber(Butt)It is dropped in stirring in the stirred tank of low speed rotation;
2)The mixed liquor of water, waterglass and Oxytarch is sprayed in stirred tank, stirred tank rotating speed is relative to be improved;
3)To be mixed uniform, white paper fiber naked eyes can not differentiate stopping stirring, and the material being stirred agglomerating can not dissipate;
4)Powdery sodium hexameta phosphate, high-speed stirred 8-12min are thrown in material;
5)Above-mentioned material is made into cup-shaped charcoal cup embryo by mould;
6)In above-mentioned cup-shaped charcoal cup embryo inner-wall spraying emulsified mixing oil, drying product.
Preferably, the charcoal cup is obtained the present invention by the material of following mass fraction, in terms of 100 parts:Powdered carbon(200 mesh with On)59.95 part, paper fiber(Butt)15 parts, 4 parts of waterglass, 5 parts of Oxytarch, sodium hexameta phosphate(Powdery)1 part, 15 parts of water, 0.05 part of emulsified mixing oil.
The step 4)In, high-speed stirred 10min.
The step 5)In, cup-shaped charcoal cup embryo is made using honeycomb briquette production line.
The step 5)In, cup-shaped charcoal cup embryo is made by U-shaped mould.
The step 6)In, emulsified mixing oil is obtained using following methods:A. by refined wood tar in reactor room temperature The vegetable oil emulsifier ZR-5 of lower addition weight percentage 10-20%, adds water while stirring, until the emulsion into white, is obtained Emulsifying wood tar;B. emulsified silicone oil and emulsifying wood tar are mixed in reactor, instills and refer on a small quantity toner, stirred and obtain final product Emulsified mixing oil.
In above-mentioned emulsified mixing oil, emulsified silicone oil and emulsifying wood tar weight ratio are 3-5:7-5.
The step 6)In, drying adopts tunnel type drying kiln.
The tunnel-type hot air drying kiln, drying mode:Go out after advance, useful space size:It is long 20 meters, high 1 meter, wide by 1 Rice.
Imitation leather skin water suction of the present invention is breathed freely charcoal cup for the sowing of plant and is cultivated and raising.
The present invention according to plant root system development size and sowing time, can prepare the charcoal cup of different wall, preferred charcoal Wall of cup thickness 1-5 centimetres.
There are abundant Linesless charcoal and wood tar and wood vinegar resource in China, not only can be with cotton stalk charcoal as carbon-base slow release Fertilizer, pyroligneous acid and wood tar cook biological pesticide, the characteristics of also have insecticide or anthelmintic using Linesless charcoal and wood tar, produce Of different sizes can infilter the water outside cup in cup, and the ventilative charcoal cup of the water suction that the moisture stream in cup is not gone out, it is saturating using water suction The characteristics of gas charcoal cup absorbs water and absorbs heat, loads charcoal slow-release fertilizer in cup, changes seedling raising mannerses, casts aside existing north material mulch film, Especially for the desert and varieties in saline-alkali areas of Xinjiang drought, open a kind of brand-new agricultural using existing seeding machinery and plant The mode planted and afforest.
The ventilative charcoal cup of water suction of the present invention is made up of the charcoal and paper fiber of loose structure of main material, former using capillary Reason, can suck cup, then the charcoal slow-release fertilizer being conveyed to by cup in cup by the moisture outside charcoal cup.The surface tension of water is normal 24 DEG C of temperature is 72 dynes, and through the charcoal cup of micro- surface treatment, inner wall surface tension force is less than 72 dynes to the present invention, typically in 64-- Between 67 dynes.So as to reach the effect for imitating skin function.
When rainwater arrives, rainwater reaches saturation inside and outside charcoal cup, and the temperature inside and outside this similarly reaches unanimously, and charcoal cup is not sent out The effect of waving, when the evening draws on, temperature is reduced(The particularly west area such as Xinjiang Inner Mongol), the water in charcoal cup is just by surface The charcoal cup inwall managed stopped, reaches the purpose of water-retention.
When the root system of the ventilative charcoal cup implants of water suction grows to a timing, just " pierce through " or charcoal cup is earned into broken, at this moment charcoal cup Mission is completed, in soil transfer the charcoal base manure material of root system of plant is become.
It is well known that the speed of the growth of any plant is relevant with the soil moisture of its root, the higher plant growing of temperature It is faster(Particularly the temperature of soil directly affects agronomic crop seed germination and emerges).The ventilative charcoal cup of present invention water suction has Black heat absorption speciality, absorbs the charcoal cup after moisture and heats relatively larger than surrounding enviroment, big especially for the western morning and evening temperature difference The crops in area, with very superior practicality.
The present invention makes full use of existing resource, it is possible to achieve the clean environment firendly of resource is recycled, with good economy And social benefit.
Specific embodiment
The present invention is described in detail in reference to embodiment.
The patented technology of " vehicle-mounted straw processing system " that following examples are invented using applicant(The patent No. 201220607027.3), it is possible to achieve straw is carried out into charing process in field, obtain it is substantial amounts of can be used as industrial former The charcoal and wood tar of material and wood vinegar.By taking the cotton field of 26,000,000 mu of Xinjiang as an example:Charcoal can be obtained every year:2600000 tons and crude product wood Jiao The crude product wood vinegar of 1,300,000 tons and 2,600,000 tons of oil.
Embodiment
The raw material of the ventilative charcoal cup of imitation leather skin water suction prepares
Mass fraction:In terms of 100 parts:Powdered carbon(It is more than 200 mesh)59.95 part, paper fiber(Butt)15 parts, 4 parts of waterglass, oxidation 5 parts of starch, sodium hexameta phosphate(Powdery)1 part, 15 parts of water, 0.05 part of emulsified mixing oil.
The wherein preparation of emulsified mixing oil
A., refined wood tar is added the vegetable oil emulsifier ZR-5 of weight percentage 15% under room temperature in reactor, while stirring Mix side to add water, until the emulsion into white, emulsifying wood tar is obtained;
B. emulsified silicone oil and above-mentioned emulsifying wood tar are mixed in reactor, emulsified silicone oil and emulsifying wood tar weight ratio are 4: 6, drop refers on a small quantity toner, and reactor mixing speed stirs 2min--3min typically at 1300 revs/min or so, stirs i.e. Can;
C. the emulsified mixing oil for mixing is put into into aerosol apparatus standby.
The preparation of the ventilative charcoal cup of imitation leather skin water suction
1)By the powdered carbon for having crushed, paper fiber(Butt)It is dropped in stirring in the stirred tank of low speed rotation;
2)The mixed liquor of water, waterglass and Oxytarch is sprayed in stirred tank, stirred tank rotating speed is relative to be improved;
3)To be mixed uniform, white paper fiber naked eyes can not differentiate stopping stirring, and the material being stirred agglomerating can not dissipate;Can be by The material being stirred is held with a firm grip with hand-power, and material does not scatter after release;
4)Powdery sodium hexameta phosphate is thrown in material, high-speed stirred 10min is obtained stock, stock is put in charging basket;
5)Above-mentioned stock is made into cup-shaped charcoal cup embryo by mould;During according to the plant root system development size and sowing planted Between, suitable U-shaped mould being designed, can be produced using the honeycomb briquette production line in present market, usually charcoal wall of cup thickness 1-5 is public Point;
6)In above-mentioned cup-shaped charcoal cup embryo inner-wall spraying emulsified mixing oil, drying product;Drying is dried using tunnel-type hot air Kiln, drying mode:Go out after advance, useful space size:It is long 20 meters, high 1 meter, wide 1 meter.
The ventilative charcoal cup of imitation leather skin water suction obtained in embodiment, is main material system by the powdered carbon and paper fiber of loose structure Into using capillary principle, the moisture outside charcoal cup can be sucked cup, then the carbon-base slow release being conveyed to by cup in cup by charcoal cup Fertilizer, charcoal cup inner wall surface tension force is less than 72 dynes(24 DEG C of room temperature), typically between 64--67 dyne, this data water intaking temperature is 30 DEG C -- 70 DEG C of surface tension.When rainwater arrives, rainwater reaches saturation inside and outside charcoal cup, and at this moment inside and outside temperature similarly reaches Unanimously, charcoal cup does not play a role, and when the evening draws on, temperature is reduced(The particularly west area such as Xinjiang Inner Mongol), the water in charcoal cup is just Stopped less than 72 dynes of charcoal cup inwalls through surface-treated, reached the purpose of water-retention, so as to reach skin work(is imitated The effect of energy.
WhenThe ventilative charcoal cup of water suctionThe root system of implants grows to a timing, just " pierces through " or charcoal cup is earned into broken, at this moment charcoal cup Mission is completed, in soil transfer the charcoal base manure material of root system of plant is become.
Present invention is particularly suitable for the big regional crops of the western morning and evening temperature difference.

Claims (10)

1. the ventilative charcoal cup of imitation leather skin water suction, it is characterised in that it is made up of the powdered carbon and paper fiber of loose structure of main material, Charcoal cup inner wall surface tension force is less than 72 dynes(24 DEG C of room temperature).
2. the ventilative charcoal cup of imitation leather skin according to claim 1 water suction, it is characterised in that charcoal cup inner wall surface tension force is in 64-- Between 67 dynes(Water temperature is at 30 DEG C -- and 70 DEG C).
3. the preparation method of the ventilative charcoal cup of imitation leather skin water suction according to claim 1, it is characterised in that it is by following mass parts Several materials is obtained, in terms of 100 parts:Powdered carbon(It is more than 200 mesh)39.98-79.92 parts, paper fiber(Butt)10-20 parts, water Glass 3-5 parts, Oxytarch 4-6 parts, sodium hexameta phosphate(Powdery)0.5-1.5 parts, water 10-20 parts, emulsified mixing oil 0.02- 0.08 part;
Preparation process is comprised the following steps:
1)By the powdered carbon for having crushed, paper fiber(Butt)It is dropped in stirring in the stirred tank of low speed rotation;
2)The mixed liquor of water, waterglass and Oxytarch is sprayed in stirred tank, stirred tank rotating speed is relative to be improved;
3)To be mixed uniform, white paper fiber naked eyes can not differentiate stopping stirring, and the material being stirred agglomerating can not dissipate;
4)Powdery sodium hexameta phosphate, high-speed stirred 8-12min are thrown in material;
5)Above-mentioned material is made into cup-shaped charcoal cup embryo by mould;
6)In above-mentioned cup-shaped charcoal cup embryo inner-wall spraying emulsified mixing oil, drying product.
4. the preparation method of the ventilative charcoal cup of imitation leather skin water suction according to claim 3, it is characterised in that the charcoal cup is by following The material of mass fraction is obtained, in terms of 100 parts:Powdered carbon(It is more than 200 mesh)59.95 part, paper fiber(Butt)15 parts, waterglass 4 Part, 5 parts of Oxytarch, sodium hexameta phosphate(Powdery)1 part, 15 parts of water, 0.05 part of emulsified mixing oil.
5. the preparation method of the ventilative charcoal cup of imitation leather skin water suction according to claim 3, it is characterised in that the step 4)In, it is high Speed stirring 10min.
6. the preparation method of the ventilative charcoal cup of imitation leather skin water suction according to claim 3, it is characterised in that the step 5)In, adopt U-shaped mould is used, cup-shaped charcoal cup embryo is made by honeycomb briquette production line.
7. the preparation method of the ventilative charcoal cup of imitation leather skin water suction according to claim 3, it is characterised in that the step 6)In, breast Change miscella to be obtained using following methods:A., refined wood tar is added under room temperature in reactor weight percentage 10-20% Vegetable oil emulsifier ZR-5, add water while stirring, until the emulsion into white, emulsifying wood tar is obtained;B. by emulsified silicone oil Mix in reactor with emulsifying wood tar, instill and refer on a small quantity toner, stir and obtain final product emulsified mixing oil.
8. the preparation method of the ventilative charcoal cup of imitation leather skin water suction according to claim 7, it is characterised in that in emulsified mixing oil, breast SiClx oil and emulsifying wood tar weight ratio are 3-5:7-5.
9. the preparation method of the ventilative charcoal cup of imitation leather skin water suction according to claim 3, it is characterised in that the step 6)In, dry It is dry to adopt tunnel type drying kiln, drying mode:Go out after advance, useful space size:It is long 20 meters, high 1 meter, wide 1 meter.
10. the ventilative charcoal cup of imitation leather skin water suction according to claim 1, it is characterised in that sowing for plant and cultivate and Bring up, according to plant root system development size and sowing time, prepare the charcoal cup of wall thickness 1-5 centimetres.
CN201710016298.9A 2017-01-10 2017-01-10 Imitated-skin water-absorbing breathable charcoal cup and preparation method thereof Pending CN106665181A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114304188A (en) * 2021-12-15 2022-04-12 宁夏大学 Verticillium lecanii dispersible oil suspending agent and preparation method and application thereof

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Publication number Priority date Publication date Assignee Title
CN1759660A (en) * 2005-10-27 2006-04-19 李学东 Soil for flower and preparation method
CN101543173A (en) * 2008-03-27 2009-09-30 魏鹏霄 Root system nutrition carrier and preparation method and application thereof
CN104909664A (en) * 2015-06-08 2015-09-16 杭州方禾园艺有限公司 Manufacturing technique of bamboo charcoal flowerpot

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1759660A (en) * 2005-10-27 2006-04-19 李学东 Soil for flower and preparation method
CN101543173A (en) * 2008-03-27 2009-09-30 魏鹏霄 Root system nutrition carrier and preparation method and application thereof
CN104909664A (en) * 2015-06-08 2015-09-16 杭州方禾园艺有限公司 Manufacturing technique of bamboo charcoal flowerpot

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Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114304188A (en) * 2021-12-15 2022-04-12 宁夏大学 Verticillium lecanii dispersible oil suspending agent and preparation method and application thereof
CN114304188B (en) * 2021-12-15 2023-02-28 宁夏大学 Verticillium lecanii dispersible oil suspending agent and preparation method and application thereof

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Application publication date: 20170517