CN106380272A - Super-absorbent and fertilizer-controlled coated slow-release fertilizer for garden plantation, and preparation method thereof - Google Patents
Super-absorbent and fertilizer-controlled coated slow-release fertilizer for garden plantation, and preparation method thereof Download PDFInfo
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- CN106380272A CN106380272A CN201610741066.5A CN201610741066A CN106380272A CN 106380272 A CN106380272 A CN 106380272A CN 201610741066 A CN201610741066 A CN 201610741066A CN 106380272 A CN106380272 A CN 106380272A
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- fertilizer
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
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Abstract
The invention discloses a super-absorbent and fertilizer-controlled coated slow-release fertilizer for garden plantation. The fertilizer is composed of a kernel fertilizer and coating materials. The preparation process of the coating materials is composed of the following steps of firstly, washing corn straws, drying and crushing the corn straws, adding N, N-dimethylene formamide for conducting the ultrasonic treatment, adding phytic acid and urea, conducting the electromagnetic stirring operation, heating, maintaining the temperature, cooling to the room temperature, filtering, drying, cooling to obtain a material a; secondly, adding distilled water into the material a, uniformly mixing the material, heating, conducting the gelatinization, cooling, adding acrylamide, itaconic acid, N-vinyl pyrrolidone and N, N-dimethylene formamide, mixing up the above materials, stirring, adding an initiator, still stirring, precipitating, washing, drying, crushing, separating, drying and pulverizing to obtain the coating material. The invention also provides a preparation method of the super-absorbent and fertilizer-controlled coated slow-release fertilizer for garden plantation. The coated slow-release fertilizer is excellent in water-absorbing and fertilizer-controlling property, and can effectively promote the growth of garden crops.
Description
Technical field
The present invention relates to fertilizer field, more particularly, to a kind of Chinese garden planting with the fertile coated slow release fertilizer of high water absorption control and its
Preparation method.
Background technology
Coated fertilizer is with granulated fertilizer as core, is coated with one layer of inorganic matter or organic polymer polymerization in fertilizer surface
Thing, thus reducing fertilizer rate of dissolution, extending nutrient-lapsed time, making the fertilizer that nutrients release is coordinated with crop regulation of fertilizer requirement phase
Material.After coated fertilizer is manured into soil, coating layer is capable of the course of dissolution of effective control soil moisture and coated fertilizer nutrient, control
Nutrient permeable membrane diffusion rate processed, thus reach the efficiency delaying the nutrient supply time.Application in agricultural production for the coated fertilizer
Nutrient availability in plant-soil systems can not only be adjusted, and there is raising plant recovery of nutrient, reduce nutrient loss,
Mitigate the advantages such as fertilizer pollution on the environment.
The water suction of Chinese garden planting coated fertilizer of the prior art and the fertile ability of control, easily cause to ornamental plant to hinder
Evil, it is impossible to meet the demand in actual planting process, is therefore needed a kind of fertile peplos of Chinese garden planting high water absorption control of exploitation badly and is delayed
Release fertilizer is solving the problems of the prior art.
Content of the invention
For solving technical problem present in background technology, the present invention proposes a kind of fertile bag of Chinese garden planting high water absorption control
Film slow release fertilizer and preparation method thereof, the coated slow release fertilizer preparing has the fertile ability of excellent water suction control, Neng Gouyou
Effect promotes the growth of Horticultural crops.
A kind of Chinese garden planting proposed by the present invention fertile coated slow release fertilizer of high water absorption control, it is by core fertilizer and peplos
Material forms；Described coated fertilizer presses following technique preparation：Pulverize after corn straw distilled water wash, drying, sieve takes
100-200 mesh, is subsequently adding N, N- dimethylene Methanamide supersound process, is subsequently added into phytic acid and carbamide, electromagnetic agitation, heats up
After be incubated, be cooled to room temperature, filter, in baking oven be dried, be cooled to room temperature and obtain material a；Distilled water is added to mix in material a
Close uniformly, gelatinizing after intensification, then lower the temperature, add acrylamide, itaconic acid, NVP and N, N- di-2-ethylhexylphosphine oxide
Acrylamide stirs after mixing, and is subsequently adding initiator, continues stirring, then precipitates, and washing divides after dry, pulverize in baking oven
From, removal homopolymer, dry, pulverize and obtain coated fertilizer.
Preferably, described coated fertilizer presses following technique preparation：Pulverize after corn straw distilled water wash, drying,
Sieve takes 100-200 mesh, is subsequently adding N, N- dimethylene Methanamide supersound process, is subsequently added into phytic acid and carbamide, electromagnetic agitation,
Then it is incubated 2-6h after being warming up to 50-90 DEG C, is cooled to room temperature, filter, be dried in 45-55 DEG C of baking oven, be cooled to room temperature and obtain
Material a；Add distilled water mix homogeneously, gelatinizing 25-35min after being warming up to 75-85 DEG C in material a, be then cooled to 55-65
DEG C, stir 20- after adding acrylamide, itaconic acid, NVP and N,N methylene bis acrylamide mixing
40min, is subsequently adding initiator, continues stirring 30-50min, then precipitates, wash 2-4 time, is dried, powder in 40-60 DEG C of baking oven
Separate 8-16h after broken, remove homopolymer, 50-70 DEG C is dried 15-25min, pulverizes and obtains coated fertilizer.
Preferably, in the preparation technology of coated fertilizer, the power of supersound process is 280-320W, and the time of supersound process is
20-50min.
Preferably, in the preparation technology of coated fertilizer, corn straw, N, N- dimethylene Methanamide, phytic acid, carbamide, third
The weight of acrylamide, itaconic acid, NVP, N,N methylene bis acrylamide and initiator is than for 20-40：5-
15：2-6：1-4：3-5：3-6：1-4：4-6：1.5-4.5.
Preferably, described core fertilizer and the mass ratio of coated fertilizer are 100：8-16.
Preferably, described core fertilizer is by biomass carbon, carbamide, MAP, potassium chloride and bentonite 10- by weight
14：15-19：8-12：6-10：2-5 mixes.
A kind of Chinese garden planting of present invention preparation method of the fertile coated slow release fertilizer of high water absorption control, core fertilizer is led
Enter in coating machine, be 85-95r/min in rotating speed, temperature is 60-80 DEG C, coated fertilizer is sprayed onto core surface, spray time is
20-40min, is cooled to room temperature and obtains the fertile coated slow release fertilizer of Chinese garden planting high water absorption control.
A kind of Chinese garden planting of the present invention fertile coated slow release fertilizer of high water absorption control, by core fertilizer and coated fertilizer group
Become；By controlling the mass ratio of core fertilizer and coated fertilizer, while ensureing compound film quality, control the fertilizer of core fertilizer
Effect, has been effectively ensured the demand to nutriment for the Horticultural crops；Core fertilizer is by biomass carbon, carbamide, MAP, potassium chloride and swollen
Profit soil mixes, and does not contain only the growth elements needed for crop, also contains conditioner bentonite, furthermore achieved that core
, so that the release of nutrient is more smooth, the release of nutrient is more efficient for open structure；Wherein coated fertilizer presses following technique system
Standby：Corn straw is washed, dries pulverizing, be subsequently adding N, N- dimethylene Methanamide supersound process, add phytic acid and carbamide,
Electromagnetic agitation, is incubated after intensification, is cooled to room temperature, filters, and is dried, and cooling obtains material a；Distilled water is added to mix in material a
Close uniformly, gelatinizing after intensification, then lower the temperature, add acrylamide, itaconic acid, NVP and N, N- di-2-ethylhexylphosphine oxide
Stir after acrylamide mixing, be subsequently adding initiator, continue stirring, then precipitate, washing, separate after dry, pulverize, be dried
Pulverizing obtains coated fertilizer；Coated fertilizer is with corn straw, N, N- dimethylene Methanamide, phytic acid, carbamide, acrylamide, clothing
Health acid, NVP, N,N methylene bis acrylamide and initiator are raw material, the coated fertilizer preparing,
Water absorption and the fertile ability of control effectively improve, and through coating machine, coated fertilizer are coated in the periphery of core fertilizer, are prepared into
To coated slow release fertilizer there is excellent water suction and the fertile ability of control, effectively facilitated the growth of Horticultural crops.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail it should be appreciated that embodiment is served only for this is described
Bright, rather than be used for limiting the invention, any modification made on the basis of the present invention, equivalent etc. are all at this
In bright protection domain.
Embodiment 1
A kind of Chinese garden planting proposed by the present invention fertile coated slow release fertilizer of high water absorption control, it is by core fertilizer and peplos
Material forms；Described core fertilizer is 100 with the mass ratio of coated fertilizer：12.Described core fertilizer by biomass carbon, carbamide,
MAP, potassium chloride and bentonite by weight 12：17：10：9：3.5 mixing.
Described coated fertilizer presses following technique preparation：By weight by after 30 parts of corn straw distilled water washs, drying
Pulverize, sieve takes 150 mesh, be subsequently adding 10 parts of N, N- dimethylene Methanamide supersound process, the power of supersound process is 300W, surpasses
The time of sonication is 35min, is subsequently added into 4 parts of phytic acid and 2.5 parts of carbamide, electromagnetic agitation, is incubated after being then warming up to 70 DEG C
4h, is cooled to room temperature, filters, and is dried, is cooled to room temperature and obtains material a in 50 DEG C of baking ovens；Distilled water mixing is added in material a
Uniformly, gelatinizing 30min after being warming up to 80 DEG C, is then cooled to 60 DEG C, adds 4 parts of acrylamides, 4.5 parts of itaconic acids, 2.5 parts of N-
Stir 30min after vinyl pyrrolidone and 5 parts of N,N methylene bis acrylamide mixing, be subsequently adding 3 parts of initiators, continue
Stirring 40min, then precipitates, and washs 3 times, separates 12h after dry, pulverize in 50 DEG C of baking ovens, removes homopolymer, 60 DEG C of dryings
20min, pulverizes and obtains coated fertilizer.
A kind of Chinese garden planting of present invention preparation method of the fertile coated slow release fertilizer of high water absorption control, core fertilizer is led
Enter in coating machine, be 90r/min in rotating speed, temperature is 70 DEG C, and coated fertilizer is sprayed onto core surface, spray time is 30min,
It is cooled to room temperature and obtain the fertile coated slow release fertilizer of Chinese garden planting high water absorption control.
Embodiment 2
A kind of Chinese garden planting proposed by the present invention fertile coated slow release fertilizer of high water absorption control, it is by core fertilizer and peplos
Material forms；Described core fertilizer is 100 with the mass ratio of coated fertilizer：8.Described core fertilizer is by biomass carbon, carbamide, phosphorus
A sour ammonium, potassium chloride and bentonite by weight 10：19：8：10：2 mix.
Described coated fertilizer presses following technique preparation：By weight by after 20 parts of corn straw distilled water washs, drying
Pulverize, sieve takes 200 mesh, be subsequently adding 5 parts of N, N- dimethylene Methanamide supersound process, the power of supersound process is 320W, surpasses
The time of sonication is 20min, is subsequently added into 6 parts of phytic acid and 1 part of carbamide, electromagnetic agitation, is incubated 2h after being then warming up to 90 DEG C,
It is cooled to room temperature, filters, be dried in 55 DEG C of baking ovens, be cooled to room temperature and obtain material a；Add distilled water mixing all in material a
Even, gelatinizing 35min after being warming up to 75 DEG C, then it is cooled to 55 DEG C, add 5 parts of acrylamides, 3 parts of itaconic acids, 4 parts of N- vinyls
Stir 40min after ketopyrrolidine and 4 parts of N,N methylene bis acrylamide mixing, be subsequently adding 1.5 parts of initiators, continue stirring
50min, then precipitates, and washs 2 times, separates 8h after dry, pulverize in 60 DEG C of baking ovens, removes homopolymer, 70 DEG C are dried 15min,
Pulverizing obtains coated fertilizer.
A kind of Chinese garden planting of present invention preparation method of the fertile coated slow release fertilizer of high water absorption control, core fertilizer is led
Enter in coating machine, be 85r/min in rotating speed, temperature is 80 DEG C, and coated fertilizer is sprayed onto core surface, spray time is 20min,
It is cooled to room temperature and obtain the fertile coated slow release fertilizer of Chinese garden planting high water absorption control.
Embodiment 3
A kind of Chinese garden planting proposed by the present invention fertile coated slow release fertilizer of high water absorption control, it is by core fertilizer and peplos
Material forms；Described core fertilizer is 100 with the mass ratio of coated fertilizer：16.Described core fertilizer by biomass carbon, carbamide,
MAP, potassium chloride and bentonite by weight 14：15：12：6：5 mix.
Described coated fertilizer presses following technique preparation：By weight by after 40 parts of corn straw distilled water washs, drying
Pulverize, sieve takes 100 mesh, be subsequently adding 15 parts of N, N- dimethylene Methanamide supersound process, the power of supersound process is 280W, surpasses
The time of sonication is 50min, is subsequently added into 2 parts of phytic acid and 4 parts of carbamide, electromagnetic agitation, is incubated 6h after being then warming up to 50 DEG C,
It is cooled to room temperature, filters, be dried in 45 DEG C of baking ovens, be cooled to room temperature and obtain material a；Add distilled water mixing all in material a
Even, gelatinizing 25min after being warming up to 85 DEG C, then it is cooled to 65 DEG C, add 3 parts of acrylamides, 6 parts of itaconic acids, 1 part of N- vinyl
Stir 20min after ketopyrrolidine and 6 parts of N,N methylene bis acrylamide mixing, be subsequently adding 4.5 parts of initiators, continue stirring
30min, then precipitates, and washs 4 times, separates 16h after dry, pulverize in 40 DEG C of baking ovens, removes homopolymer, 50 DEG C are dried 25min,
Pulverizing obtains coated fertilizer.
A kind of Chinese garden planting of present invention preparation method of the fertile coated slow release fertilizer of high water absorption control, core fertilizer is led
Enter in coating machine, be 95r/min in rotating speed, temperature is 60 DEG C, and coated fertilizer is sprayed onto core surface, spray time is 40min,
It is cooled to room temperature and obtain the fertile coated slow release fertilizer of Chinese garden planting high water absorption control.
Embodiment 4
A kind of Chinese garden planting proposed by the present invention fertile coated slow release fertilizer of high water absorption control, it is by core fertilizer and peplos
Material forms；Described core fertilizer is 100 with the mass ratio of coated fertilizer：9.Described core fertilizer is by biomass carbon, carbamide, phosphorus
A sour ammonium, potassium chloride and bentonite by weight 11：18：9：9：3 mix.
Described coated fertilizer presses following technique preparation：By weight by after 25 parts of corn straw distilled water washs, drying
Pulverize, sieve takes 180 mesh, be subsequently adding 8 parts of N, N- dimethylene Methanamide supersound process, the power of supersound process is 315W, surpasses
The time of sonication is 25min, is subsequently added into 5 parts of phytic acid and 2 parts of carbamide, electromagnetic agitation, is incubated 3h after being then warming up to 80 DEG C,
It is cooled to room temperature, filters, be dried in 52 DEG C of baking ovens, be cooled to room temperature and obtain material a；Add distilled water mixing all in material a
Even, gelatinizing 32min after being warming up to 78 DEG C, then it is cooled to 58 DEG C, add 4.5 parts of acrylamides, 4 parts of itaconic acids, 3 parts of N- ethylene
Stir 35min after base ketopyrrolidine and 4.5 parts of N,N methylene bis acrylamide mixing, be subsequently adding 1.8 parts of initiators, continue
Stirring 45min, then precipitates, and washs 2 times, separates 9h after dry, pulverize in 55 DEG C of baking ovens, removes homopolymer, 65 DEG C of dryings
18min, pulverizes and obtains coated fertilizer.
A kind of Chinese garden planting of present invention preparation method of the fertile coated slow release fertilizer of high water absorption control, core fertilizer is led
Enter in coating machine, be 88r/min in rotating speed, temperature is 75 DEG C, and coated fertilizer is sprayed onto core surface, spray time is 25min,
It is cooled to room temperature and obtain the fertile coated slow release fertilizer of Chinese garden planting high water absorption control.
Embodiment 5
A kind of Chinese garden planting proposed by the present invention fertile coated slow release fertilizer of high water absorption control, it is by core fertilizer and peplos
Material forms；Described core fertilizer is 100 with the mass ratio of coated fertilizer：15.Described core fertilizer by biomass carbon, carbamide,
MAP, potassium chloride and bentonite by weight 13：16：11：7：4 mix.
Described coated fertilizer presses following technique preparation：By weight by after 35 parts of corn straw distilled water washs, drying
Pulverize, sieve takes 120 mesh, be subsequently adding 12 parts of N, N- dimethylene Methanamide supersound process, the power of supersound process is 285W, surpasses
The time of sonication is 45min, is subsequently added into 3 parts of phytic acid and 3 parts of carbamide, electromagnetic agitation, is incubated 5h after being then warming up to 60 DEG C,
It is cooled to room temperature, filters, be dried in 48 DEG C of baking ovens, be cooled to room temperature and obtain material a；Add distilled water mixing all in material a
Even, gelatinizing 28min after being warming up to 82 DEG C, then it is cooled to 62 DEG C, add 3.5 parts of acrylamides, 5 parts of itaconic acids, 2 parts of N- ethylene
Stir 25min after base ketopyrrolidine and 5.5 parts of N,N methylene bis acrylamide mixing, be subsequently adding 4.2 parts of initiators, continue
Stirring 35min, then precipitates, and washs 4 times, separates 15h after dry, pulverize in 45 DEG C of baking ovens, removes homopolymer, 55 DEG C of dryings
22min, pulverizes and obtains coated fertilizer.
A kind of Chinese garden planting of present invention preparation method of the fertile coated slow release fertilizer of high water absorption control, core fertilizer is led
Enter in coating machine, be 92r/min in rotating speed, temperature is 65 DEG C, and coated fertilizer is sprayed onto core surface, spray time is 35min,
It is cooled to room temperature and obtain the fertile coated slow release fertilizer of Chinese garden planting high water absorption control.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of Chinese garden planting fertile coated slow release fertilizer of high water absorption control is it is characterised in that it is by core fertilizer and peplos material
Material composition；Described coated fertilizer presses following technique preparation：Pulverize after corn straw distilled water wash, drying, sieve takes 100-
200 mesh, are subsequently adding N, N- dimethylene Methanamide supersound process, are subsequently added into phytic acid and carbamide, electromagnetic agitation, protect after intensification
Temperature, is cooled to room temperature, filters, and is dried, is cooled to room temperature and obtains material a in baking oven；Add distilled water mixing all in material a
Even, gelatinizing after intensification, then lower the temperature, add acrylamide, itaconic acid, NVP and N, N- methylene bisacrylamide
Stir after amide mixing, be subsequently adding initiator, continue stirring, then precipitate, washing, separate after dry, pulverize in baking oven, go
Except homopolymer, dry, pulverize and obtain coated fertilizer.
2. Chinese garden planting according to claim 1 with the fertile coated slow release fertilizer of high water absorption control it is characterised in that described bag
Following technique preparation pressed by membrane material：Pulverize after corn straw distilled water wash, drying, sieve takes 100-200 mesh, is subsequently adding
N, N- dimethylene Methanamide supersound process, is subsequently added into phytic acid and carbamide, electromagnetic agitation, protects after being then warming up to 50-90 DEG C
Warm 2-6h, is cooled to room temperature, filters, and is dried, is cooled to room temperature and obtains material a in 45-55 DEG C of baking oven；Add in material a and steam
Distilled water mix homogeneously, gelatinizing 25-35min after being warming up to 75-85 DEG C, then it is cooled to 55-65 DEG C, add acrylamide, clothing health
Stir 20-40min after acid, NVP and N,N methylene bis acrylamide mixing, be subsequently adding initiator, continue
Continuous stirring 30-50min, then precipitates, washs 2-4 time, separate 8-16h after dry, pulverize in 40-60 DEG C of baking oven, remove homopolymerization
Thing, 50-70 DEG C is dried 15-25min, pulverizes and obtains coated fertilizer.
3. the Chinese garden planting according to claim 1 and 2 coated slow release fertilizer of high water absorption control fertilizer is it is characterised in that wrap
In the preparation technology of membrane material, the power of supersound process is 280-320W, and the time of supersound process is 20-50min.
4. the fertile coated slow release fertilizer of high water absorption control of the Chinese garden planting according to any one of claim 1-3, its feature exists
In, in the preparation technology of coated fertilizer, corn straw, N, N- dimethylene Methanamide, phytic acid, carbamide, acrylamide, clothing health
The weight of acid, NVP, N,N methylene bis acrylamide and initiator is than for 20-40：5-15：2-6：1-4：
3-5：3-6：1-4：4-6：1.5-4.5.
5. the fertile coated slow release fertilizer of high water absorption control of the Chinese garden planting according to any one of claim 1-4, its feature exists
In described core fertilizer is 100 with the mass ratio of coated fertilizer：8-16.
6. the fertile coated slow release fertilizer of high water absorption control of the Chinese garden planting according to any one of claim 1-5, its feature exists
In described core fertilizer is by biomass carbon, carbamide, MAP, potassium chloride and bentonite by weight 10-14：15-19：8-
12：6-10：2-5 mixes.
7. the preparation of the fertile coated slow release fertilizer of high water absorption control of the Chinese garden planting described in a kind of any one according to claim 1-6
Method, it is characterised in that importing core fertilizer in coating machine, is 85-95r/min in rotating speed, and temperature is 60-80 DEG C, will wrap
Membrane material is sprayed onto core surface, and spray time is 20-40min, is cooled to room temperature and obtains the fertile bag of Chinese garden planting high water absorption control
Film slow release fertilizer.
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| CN201610741066.5A CN106380272A (en) | 2016-08-28 | 2016-08-28 | Super-absorbent and fertilizer-controlled coated slow-release fertilizer for garden plantation, and preparation method thereof |
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| CN107318464A (en) * | 2017-07-28 | 2017-11-07 | 安徽丰尚生态农业科技有限公司 | A kind of drought-enduring implantation methods of the high yield of mushroom |
| CN107318465A (en) * | 2017-07-28 | 2017-11-07 | 安徽丰尚生态农业科技有限公司 | It is a kind of to improve mushroom production and the implantation methods of quality |
| CN107258326A (en) * | 2017-07-28 | 2017-10-20 | 安徽丰尚生态农业科技有限公司 | A kind of mushroom high-yield high-quality amount implantation methods |
| CN107347447A (en) * | 2017-07-28 | 2017-11-17 | 安徽丰尚生态农业科技有限公司 | A kind of high-yield disease resisting implantation methods of mushroom |
| CN108834743A (en) * | 2018-06-08 | 2018-11-20 | 安徽丰尚生态农业科技有限公司 | A kind of mushroom high-yield planting method |
| CN109463180A (en) * | 2018-09-05 | 2019-03-15 | 重庆交通大学 | Method |
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