CN108546189A - agricultural organic fertilizer and its production method - Google Patents
agricultural organic fertilizer and its production method Download PDFInfo
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- CN108546189A CN108546189A CN201810656170.3A CN201810656170A CN108546189A CN 108546189 A CN108546189 A CN 108546189A CN 201810656170 A CN201810656170 A CN 201810656170A CN 108546189 A CN108546189 A CN 108546189A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- 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
-
- 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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- 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
- C05G3/80—Soil conditioners
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Soil Sciences (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides a kind of agricultural organic fertilizer, and the agricultural organic fertilizer is made of the raw material of following parts by weight：20 25 parts of crop material, 10 15 parts of animal wastes, 5 10 parts of humic acid, 58 parts of weathering coal dust, 58 parts of dipotassium hydrogen phosphate, 58 parts of corncob, 46 parts of seawood meal, 45 parts of urea, 45 parts of fish pond sludge, 45 parts of zymophyte, 24 parts of magnesium phosphate, 12 parts of sodium molybdate, 12 parts of compound sodium nitrophenolate, 0.5 1 parts of trace mineral supplement, 0.5 1 parts of synergist, 0.5 1 parts of conditioner, 0.5 1 parts of antivirotic, 0.5 1 parts of soil improvement functionality flora, 0.5 1 parts of bleeding agent.Agricultural organic fertilizer provided by the invention is using fish pond sludge as part material, the nutritional ingredient of organic fertilizer can not only be improved, also the flora in organic fertilizer can be enriched, to improve the fermentation efficiency and fermented quality of organic fertilizer raw material, enhance fertilizer efficiency uniformity, the fertilizer efficiency stability of organic fertilizer, it does not pollute the environment simultaneously, environmental-protecting performance is high.
Description
Technical field
The present invention relates to organic fertilizer processing technique field, specifically a kind of agricultural organic fertilizer and its production method.
Background technology
Organic fertilizer can not only be provided and be supported needed for plant growth rich in the nutriment needed for organic substance and plant growth
Point, soil is improved, can also improve crop quality, improves crop yield, promotes high crop yield stable yields, preservation of fertility, together
When can be improved utilization rate of fertilizer, reduce production cost.Fully and rationally use organic fertilizer can increase crop yield, culture fertility,
The validity for improving quality of agricultural product, improving soil nutrient.Such as application No. is 201611116898.4 patent disclosure one kind
The problem of agricultural organic fertilizer, which solve existing fertilizer utilization efficiencies is relatively low, pollution environment, but there is organic fertilizer fertilizer efficiency
It is not high, stability is bad, fertilizer efficiency uniformity is not high, cannot improve the deficiency of soil.
Invention content
The purpose of the present invention is overcoming, organic fertilizer fertilizer efficiency existing for existing agricultural organic fertilizer is not high, stability is bad, fertile
Effect uniformity is not high, cannot improve the problem of soil, provides that a kind of manufacturing cost is low, production method is easy to grasp, organic fertilizer is former
Material utilization rate is high, organic fertilizer fertilizer efficiency uniformity is good, stability is strong, can improve the agricultural organic fertilizer and its producer of soil
Method.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of agricultural organic fertilizer, the agricultural organic fertilizer are made of the raw material of following parts by weight：Crop material 20-25
Part, 10-15 parts of animal wastes, 5-10 parts of humic acid, 5-8 parts of weathering coal dust, 5-8 parts of dipotassium hydrogen phosphate, 5-8 parts of corncob, sea
4-6 parts of algae powder, 4-5 parts of urea, sludge 4-5 parts of fish pond, 4-5 parts of zymophyte, 2-4 parts of magnesium phosphate, 1-2 parts of sodium molybdate, compound nitrophenol
1-2 parts of sodium, 0.5-1 parts of trace mineral supplement, 0.5-1 parts of synergist, 0.5-1 parts of conditioner, 0.5-1 parts of antivirotic, soil
0.5-1 parts of earth improved function flora, 0.5-1 parts of bleeding agent.
Preferably, the crop material is maize straw, wheat stalk, rice straw, purslane stalk, seed of feather cockscomb straw
Any one or more mixing in stalk, potato stalk, withered grass bar or peanut straw.
Preferably, the animal wastes be human feces, chicken manure, pig manure, cow dung or sheep manure in any one or it is more
Kind mixing.
Preferably, the zymophyte be photosynthetic bacteria group, bacillus subtilis, Pseudomonas geniculate, bacillus megaterium,
Any one or more mixing in thermophilic Bacillus, aspergillus niger, saccharomycete, bacillus subtilis.
Preferably, the trace mineral supplement be iron, boron, arsenic, manganese, copper, cobalt, in molybdenum any one or more is mixed
It closes.
Preferably, the production method includes the following steps：
A. crop material, animal wastes, weathering coal dust, corncob, seawood meal, fish pond sludge are crushed after mixing, mistake
120-150 mesh screens are subsequently placed in high-temperature sterilization room and sterilize under 125-130 DEG C of high temperature 1-1.5h, and initial material is made；
B. by humic acid, dipotassium hydrogen phosphate, urea, magnesium phosphate, salicylic acid, sodium molybdate, compound sodium nitrophenolate and initial material in 1000-
It is stirred mixing under the rotating speed of 1100r/min, is uniformly mixed obtained mixture；
C. mixture is heated up 60-63 DEG C, slurry is stirred under the rotating speed of 2500-3000r/min, while stirring to slurry table
The vitamin B solution that mass fraction is 1-1.4% is sprayed in face, and control slurry water content is 55-60%, carries out decomposed fermentation, is fermented
Time is 18-22 days, and fermentation initial material is made；
D. zymophyte is added to fermentation initial material, stirs evenly, ferments under the rotating speed of 3200-3500r/min, controlled
Fermentation temperature is 30-36 DEG C, and fermentation time is 28-34 days, and fermentation material is made；
E. by trace mineral supplement, synergist, conditioner, antivirotic, soil improvement functionality flora, bleeding agent be added to
In fermentation material, 45-60min is stirred under the rotating speed of 1500-1900r/min, material is made；
F. it is 8-12% by dry materials to water content, is sent after dry to being granulated in comminutor, comminutor rotating speed is 25-
30rpm forms fertiliser granulates；
G. fertiliser granulates are sent to cooling down in cooler, when temperature is down to 40-47 DEG C, is sent to carrying out in sustained release agent coating machine
Sustained release agent coating, sustained release agent coating machine rotating speed are 25-30 rpm；
H. the fertiliser granulates after coating are cooled to room temperature and are packed, agricultural organic fertilizer is made by dispelling, drying.
Advantageous effect：Agricultural organic fertilizer provided by the invention, as part material, can not only be improved using fish pond sludge
The nutritional ingredient of organic fertilizer can also enrich the flora in organic fertilizer, to improve organic fertilizer raw material fermentation efficiency and
Fermented quality enhances fertilizer efficiency uniformity, the fertilizer efficiency stability of organic fertilizer, does not pollute the environment simultaneously, and environmental-protecting performance is high, another
Aspect is added to soil improvement functionality flora, bleeding agent in agriculture organic fertilizer raw material, can be effectively improved soil texture,
So that the fertilizer efficiency in organic fertilizer is fully absorbed by crops, promotes the uniform growth of crop, improve agricultural organic fertilizer
Utilization rate.
Specific implementation mode
Embodiment one：
A kind of agricultural organic fertilizer, the agricultural organic fertilizer are made of the raw material of following parts by weight：25 parts of crop material,
15 parts of animal wastes, 10 parts of humic acid, 7 parts of weathering coal dust, 6 parts of dipotassium hydrogen phosphate, 5 parts of corncob, 5 parts of seawood meal, urea 5
Part, 4 parts of zymophyte, 3 parts of magnesium phosphate, 2 parts of sodium molybdate, 2 parts of compound sodium nitrophenolate, 1 part of trace mineral supplement, increases 5 parts of fish pond sludge
Imitate 1 part of agent, 1 part of conditioner, 1 part of antivirotic, 1 part of soil improvement functionality flora, 1 part of bleeding agent.
Preferably, the crop material is wheat stalk, purslane stalk, potato stalk, withered grass bar by weight 1:
1:2:3 mixture.
Preferably, the animal wastes are human feces, chicken manure, pig manure, cow dung, sheep manure by weight 3:2:1:1:3
Mixture.
Preferably, the zymophyte is bacillus subtilis, saccharomycete by weight 1:2 mixture.
Preferably, the trace mineral supplement is iron, boron, manganese, copper, molybdenum by weight 3:2:1:1:3 mixture.
Preferably, the production method includes the following steps：
A. crop material, animal wastes, weathering coal dust, corncob, seawood meal, fish pond sludge are crushed after mixing, crosses 140
Mesh screen is subsequently placed in high-temperature sterilization room and sterilizes under 128 DEG C of high temperature 1.2h, and initial material is made；
B. by humic acid, dipotassium hydrogen phosphate, urea, magnesium phosphate, salicylic acid, sodium molybdate, compound sodium nitrophenolate and initial material in 1000r/min
Rotating speed under be stirred mixing, be uniformly mixed obtained mixture；
C. mixture is heated up 62 DEG C, slurry is stirred under the rotating speed of 2800r/min, spray matter to pulp surface while stirring
The vitamin B solution that score is 1.1% is measured, control slurry water content is 59%, carries out decomposed fermentation, and fermentation time is 20 days, system
Must ferment initial material；
D. zymophyte is added to fermentation initial material, stirs evenly, ferments under the rotating speed of 3400r/min, control fermentation
Temperature is 32 DEG C, and fermentation time is 31 days, and fermentation material is made；
E. by trace mineral supplement, synergist, conditioner, antivirotic, soil improvement functionality flora, bleeding agent be added to
In fermentation material, 51min is stirred under the rotating speed of 1700r/min, material is made；
F. it is 10% by dry materials to water content, is sent after dry to being granulated in comminutor, comminutor rotating speed is 28rpm, shape
At fertiliser granulates；
G. fertiliser granulates are sent to cooling down in cooler, when temperature is down to 43 DEG C, is sent to being delayed in sustained release agent coating machine
Agent coating is released, sustained release agent coating machine rotating speed is 27 rpm；
H. the fertiliser granulates after coating are cooled to room temperature and are packed, agricultural organic fertilizer is made by dispelling, drying.
Embodiment two：
A kind of agricultural organic fertilizer, the agricultural organic fertilizer are made of the raw material of following parts by weight：18 parts of crop material,
12 parts of animal wastes, 8 parts of humic acid, 7 parts of bagasse powder, 6 parts of weathering coal dust, 6 parts of dipotassium hydrogen phosphate, 5 parts of corncob, seaweed
5 parts of powder, 5 parts of powdered rice hulls, 4 parts of urea, 4 parts of fish pond sludge, 4 parts of zymophyte, 3 parts of grouts, 2 parts of magnesium phosphate, 2 parts of wheat bran, molybdenum
2 parts of sour sodium, 1 part of copper sulphate, 0.8 part of trace mineral supplement, 0.6 part of synergist, 0.5 part of conditioner, resists 2 parts of compound sodium nitrophenolate
0.5 part of viral agent, 0.5 part of promoter, 0.4 part of soil improvement functionality flora, 0.3 part of insecticide, 0.2 part of bleeding agent, complexing
0.2 part of agent.
Preferably, the crop material is maize straw, rice straw, seed of feather cockscomb stalk, withered grass bar, peanut straw are pressed
Weight ratio 4:1:1:3:1 mixture.
Preferably, the animal wastes are chicken manure, cow dung, sheep manure by weight 3:1:2 mixture.
Preferably, the zymophyte be photosynthetic bacteria group, Pseudomonas geniculate, saccharomycete, bacillus subtilis by weight
Than 3:2:1:2 mixture.
Preferably, the trace mineral supplement is iron, arsenic, copper, cobalt by weight 3:1:1:2 mixture.
Preferably, the production method includes the following steps：
A. by crop material, animal wastes, bagasse powder, weathering coal dust, corncob, seawood meal, powdered rice hulls, grouts, wheat bran,
Fish pond sludge crushes after mixing, sieves with 100 mesh sieve net, is subsequently placed in high-temperature sterilization room and sterilizes under 132 DEG C of high temperature 0.5h, system
Obtain initial material；
B. humic acid, dipotassium hydrogen phosphate, urea, magnesium phosphate, salicylic acid, sodium molybdate, compound sodium nitrophenolate, copper sulphate and initial material are existed
It is stirred mixing under the rotating speed of 800r/min, is uniformly mixed obtained mixture；
C. mixture is heated up 64 DEG C, slurry is stirred under the rotating speed of 2200r/min, spray matter to pulp surface while stirring
The citric acid solution that score is 0.8% is measured, control slurry water content is 53%, carries out decomposed fermentation, and fermentation time is 17 days, is made
Fermentation initial material；
D. zymophyte is added to fermentation initial material, stirs evenly, ferments under the rotating speed of 3100r/min, control fermentation
Temperature is 28 DEG C, and fermentation time is 20 days, and fermentation material is made；
E. by trace mineral supplement, synergist, conditioner, antivirotic, soil improvement functionality flora, insecticide, infiltration
Agent, complexing agent are added into fermentation material, and 70min is stirred under the rotating speed of 1400r/min, and material is made；
F. it is 7% by dry materials to water content, is sent after dry to being granulated in comminutor, comminutor rotating speed is 20rpm, shape
At fertiliser granulates；
G. fertiliser granulates are sent to cooling down in cooler, when temperature is down to 49 DEG C, is sent to being delayed in sustained release agent coating machine
Agent coating is released, sustained release agent coating machine rotating speed is 32rpm；
H. the fertiliser granulates after coating are cooled to room temperature and are packed, agricultural organic fertilizer is made by dispelling, drying.
The present invention is exemplarily described above in conjunction with embodiment, it is clear that the present invention implements not by above-mentioned side
The limitation of formula, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without
It improves and the design of the present invention and technical solution is directly applied into other occasions, within protection scope of the present invention.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (6)
1. a kind of agricultural organic fertilizer, the agricultural organic fertilizer is made of the raw material of following parts by weight：Crop material 20-
25 parts, 10-15 parts of animal wastes, 5-10 parts of humic acid, 5-8 parts of weathering coal dust, 5-8 parts of dipotassium hydrogen phosphate, 5-8 parts of corncob,
4-6 parts of seawood meal, 4-5 parts of urea, sludge 4-5 parts of fish pond, 4-5 parts of zymophyte, 2-4 parts of magnesium phosphate, 1-2 parts of sodium molybdate, multiple nitre
1-2 parts of phenol sodium, 0.5-1 parts of trace mineral supplement, 0.5-1 parts of synergist, 0.5-1 parts of conditioner, 0.5-1 parts of antivirotic,
0.5-1 parts of soil improvement functionality flora, 0.5-1 parts of bleeding agent.
2. agricultural organic fertilizer according to claim 1, it is characterised in that：The crop material is maize straw, small
In Wheat Straw, rice straw, purslane stalk, seed of feather cockscomb stalk, potato stalk, withered grass bar or peanut straw any one or
A variety of mixing.
3. agricultural organic fertilizer according to claim 1, it is characterised in that：The animal wastes are human feces, chicken
Any one or more mixing in excrement, pig manure, cow dung or sheep manure.
4. agricultural organic fertilizer according to claim 1, it is characterised in that：The zymophyte is photosynthetic bacteria group, withered grass
In bacillus, Pseudomonas geniculate, bacillus megaterium, thermophilic Bacillus, aspergillus niger, saccharomycete, bacillus subtilis
Any one or more mixing.
5. agricultural organic fertilizer according to claim 1, it is characterised in that：The trace mineral supplement be iron, boron,
Any one or more mixing in arsenic, manganese, copper, cobalt, molybdenum.
6. a kind of production method suitable for agricultural organic fertilizer as described in claim 1, which is characterized in that the production
Method includes the following steps：
A. crop material, animal wastes, weathering coal dust, corncob, seawood meal, fish pond sludge are crushed after mixing, mistake
120-150 mesh screens are subsequently placed in high-temperature sterilization room and sterilize under 125-130 DEG C of high temperature 1-1.5h, and initial material is made；
B. by humic acid, dipotassium hydrogen phosphate, urea, magnesium phosphate, salicylic acid, sodium molybdate, compound sodium nitrophenolate and initial material in 1000-
It is stirred mixing under the rotating speed of 1100r/min, is uniformly mixed obtained mixture；
C. mixture is heated up 60-63 DEG C, slurry is stirred under the rotating speed of 2500-3000r/min, while stirring to slurry table
The vitamin B solution that mass fraction is 1-1.4% is sprayed in face, and control slurry water content is 55-60%, carries out decomposed fermentation, is fermented
Time is 18-22 days, and fermentation initial material is made；
D. zymophyte is added to fermentation initial material, stirs evenly, ferments under the rotating speed of 3200-3500r/min, controlled
Fermentation temperature is 30-36 DEG C, and fermentation time is 28-34 days, and fermentation material is made；
E. by trace mineral supplement, synergist, conditioner, antivirotic, soil improvement functionality flora, bleeding agent be added to
In fermentation material, 45-60min is stirred under the rotating speed of 1500-1900r/min, material is made；
F. it is 8-12% by dry materials to water content, is sent after dry to being granulated in comminutor, comminutor rotating speed is 25-
30rpm forms fertiliser granulates；
G. fertiliser granulates are sent to cooling down in cooler, when temperature is down to 40-47 DEG C, is sent to carrying out in sustained release agent coating machine
Sustained release agent coating, sustained release agent coating machine rotating speed are 25-30 rpm；
H. the fertiliser granulates after coating are cooled to room temperature and are packed, agricultural organic fertilizer is made by dispelling, drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656170.3A CN108546189A (en) | 2018-06-24 | 2018-06-24 | agricultural organic fertilizer and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656170.3A CN108546189A (en) | 2018-06-24 | 2018-06-24 | agricultural organic fertilizer and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108546189A true CN108546189A (en) | 2018-09-18 |
Family
ID=63494086
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810656170.3A Withdrawn CN108546189A (en) | 2018-06-24 | 2018-06-24 | agricultural organic fertilizer and its production method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299918A (en) * | 2019-07-31 | 2021-02-02 | 谢葳 | Marine microbial fertilizer |
| CN112851413A (en) * | 2019-11-28 | 2021-05-28 | 怀化富丰高新农业科技开发有限公司洪江市分公司 | Agricultural organic fertilizer and preparation method thereof |
| CN113277906A (en) * | 2021-05-29 | 2021-08-20 | 河南心连心化学工业集团股份有限公司 | Special fertilizer for purslane suitable for greenhouses in northern regions and application |
-
2018
- 2018-06-24 CN CN201810656170.3A patent/CN108546189A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299918A (en) * | 2019-07-31 | 2021-02-02 | 谢葳 | Marine microbial fertilizer |
| CN112851413A (en) * | 2019-11-28 | 2021-05-28 | 怀化富丰高新农业科技开发有限公司洪江市分公司 | Agricultural organic fertilizer and preparation method thereof |
| CN113277906A (en) * | 2021-05-29 | 2021-08-20 | 河南心连心化学工业集团股份有限公司 | Special fertilizer for purslane suitable for greenhouses in northern regions and application |
| CN113277906B (en) * | 2021-05-29 | 2022-07-22 | 河南心连心化学工业集团股份有限公司 | Special fertilizer for purslane suitable for greenhouses in northern regions and application |
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Application publication date: 20180918 |