CN108164352A - One kind contains seaweed slag compound fertilizer and preparation method thereof - Google Patents
One kind contains seaweed slag compound fertilizer and preparation method thereof Download PDFInfo
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- CN108164352A CN108164352A CN201810281802.2A CN201810281802A CN108164352A CN 108164352 A CN108164352 A CN 108164352A CN 201810281802 A CN201810281802 A CN 201810281802A CN 108164352 A CN108164352 A CN 108164352A
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- seaweed slag
- fertilizer
- compound fertilizer
- seaweed
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
-
- 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
Abstract
The invention discloses one kind containing seaweed slag compound fertilizer, include the raw material of following parts by weight：36 42 parts of modified sewage sludge, 28 32 parts of seaweed slag extract, 16 22 parts of organic-inorganic blending fertilizer, 8 12 parts of 14 18 part, micron hydroxy-apatite of crushed crude pearlite, 6 10 parts of polyethylene glycol, 35 parts of gelatin, 13 parts of amargosa, 13 parts of coptis powder, 12 parts of potassium fulvate.The object of the present invention is to provide one kind containing seaweed slag compound fertilizer, seaweed slag utilization rate is improved, while by modified sewage sludge and seaweed slag interworking, cooperative effect is played, with higher use value and good application prospect.
Description
Technical field
The present invention relates to fertilizer fields, and in particular to one kind contains seaweed slag compound fertilizer and preparation method thereof.
Background technology
Seaweed comprehensive process industry is using kelp, bulk kelp as raw material, production marine chemical industry class, marine drug class, marine food
And health care products are pure natural, green, environment-friendly type high-tech product, largely rich in organic matter and nutritive salt in industrial processes
Seaweed slag is discharged, it has also become the latency that body eutrophication and red tide induce is come to sea fishery economy and zoology
It destroys and influences, not only waste a large amount of natural resources, but also bring a series of problem of environmental pollutions, seaweed slag is as one
Industrial waste product seaweed slag after kind marine resources utilization, after drying to proper moisture content, after abundant decomposed fermentation
Seaweed slag matrix, seaweed slag organic matter and nutrition content are high, can be the enough sufficient nutrients of growth of seedling, but seaweed slag is held
Water pore volume is big, and aeration porosity is smaller, easily water swelling, and water-gas ratio is high.
Chinese patent literature "（Application number：201410426728.0）" disclose one cultivate peanut special high activity alga fertilizer and
Preparation method belongs to Special Fertilizers for Various Crops production technical field, is made by following raw material：Urea, monoammonium phosphate, calcium and magnesium phosphorus
Fertilizer, potassium sulfate, borax, EDTA chelated irons, EDTA Chelated Manganeses, EDTA chelated zincs, ammonium heptamolybdate, seaweed extracted liquor, seaweed slag, though
It is reasonable so to be matched by seaweed slag, but effect or to be improved, Chinese patent literature "（Application number：200810238420.8）”
A kind of preparation method of seaweed organic fertilizer is disclosed, organic fertilizer is produced using the produced by fermenting waste residues after algin is extracted, for seaweed
Slag does not allow degradable caused fermentation difficult, and 1 ‰~15 ‰ potassium dihydrogen phosphate is added in dispensing, though this method effectively carries
High seaweed utilization rate, but organic fertilizer fertilizer efficiency is not fine, still needs to further improve.
Invention content
In view of the drawbacks of the prior art, the object of the present invention is to provide one kind sea is improved containing seaweed slag compound fertilizer
Algae-residue utilization rate, while by modified sewage sludge and seaweed slag interworking, play cooperative effect has higher use value and good
Application prospect.
The present invention solves technical problem and adopts the following technical scheme that：
The present invention provides one kind containing seaweed slag compound fertilizer, include the raw material of following parts by weight：
36-42 parts of modified sewage sludge, 28-32 parts of seaweed slag extract, 16-22 parts of fertilizer of organic-inorganic blending, crushed crude pearlite 14-18
Part, 8-12 parts of micron hydroxy-apatite, 6-10 parts of polyethylene glycol, 3-5 parts of gelatin, 1-3 parts of amargosa, 1-3 parts of coptis powder, yellow corruption
Sour potassium 1-2 parts.
Preferably, the raw material that following parts by weight are included containing seaweed slag compound fertilizer：
39 parts of modified sewage sludge, 30 parts of seaweed slag extract, organic-inorganic blending fertile 19 parts, 16 part, micron hydroxyl phosphorus of crushed crude pearlite
10 parts of ash, 8 parts of polyethylene glycol, 4 parts of gelatin, 2 parts of amargosa, 2 parts of coptis powder, 1.5 parts of potassium fulvate.
Preferably, the preparation method of the modified sewage sludge is：Sludge is added to the sulfuric acid solution that mass fraction is 85%
In, then again thereto add in mass fraction be 1-2% ferric chloride solution, speed of agitator 155-165r/min, then again to
Lauryl sodium sulfate, diatomite are wherein added in, speed of agitator 175-185r/min continues to stir 1-2h to get modified dirty
Mud.
Preferably, the seaweed slag method for preparing extractive Qi alkalizes for seaweed slag is added in sodium hydroxide,
Temperature is subsequently placed to carry out heating water bath 1-2h in 95-105 DEG C of distilled water, is filtered, is filtered with filter cloth after cooling
Seaweed slag extract is made in liquid.
Preferably, the organic-inorganic blending fertilizer includes following raw material：
36-42 parts of wormcast, 32-36 parts of bacteria residue, 24-28 parts of humic acid, 18-22 parts of peat soil, 14-16 parts of bean cake powder, phosphoric acid
12-16 parts of diammonium, 12-16 parts of calcium magnesium phosphate, 12-16 parts of calcium superphosphate.
Preferably, the organic mixed fertilizer includes following raw material：
39 parts of wormcast, 34 parts of bacteria residue, 26 parts of humic acid, 20 parts of peat soil, 15 parts of bean cake powder, 14 parts of Diammonium phosphate (DAP), calcium and magnesium phosphorus
Fertile 14 parts, 14 parts of calcium superphosphate.
The present invention also provides a kind of preparation methods containing seaweed slag compound fertilizer, include the following steps：
Step 1 weighs each component raw material as required；
Crushed crude pearlite, amargosa, organic-inorganic blending fertilizer are sent into ball mill and carry out ball milling, until grain size is 20- by step 2
100 mesh will obtain mixture, coptis powder, potassium fulvate, gelatin and add in homogenizer and mix, mixing speed 150-250r/
Min, mixing time 35-45min obtain mixture A；
Step 2 is obtained mixture A, modified sewage sludge, seaweed slag extract, micron hydroxy-apatite, polyethylene glycol and added by step 3
Enter in high-speed mixer and mix, mixing speed 1250-1350r/min, mixing time containing to get the present invention for 45-55min
Seaweed slag compound fertilizer.
Preferably, the preparation process containing seaweed slag compound fertilizer is：
Step 1 weighs each component raw material as required；
Crushed crude pearlite, amargosa, organic-inorganic blending fertilizer are sent into ball mill and carry out ball milling, until grain size is 60 by step 2
Mesh will obtain mixture, coptis powder, potassium fulvate, gelatin and add in homogenizer and mix, and mixing speed 200r/min is stirred
Time 40min is mixed, obtains mixture A；
Step 2 is obtained mixture A, modified sewage sludge, seaweed slag extract, micron hydroxy-apatite, polyethylene glycol and added by step 3
Enter in high-speed mixer and mix, mixing speed 1300r/min, mixing time answering containing seaweed slag to get the present invention for 50min
Mould assembly fertilizer.
Compared with prior art, the present invention has following advantageous effect：
（1）One kind of the present invention contains seaweed slag compound fertilizer, is compounded using modified sewage sludge and seaweed slag, plays collaboration
Effect, seaweed slag organic matter and nutriment are higher, containing more minerals in sludge, by modified by sludge and diatomite
It is combined, diatomite by the two compound nutriment slow release, reaches permanent effect, seaweed slag extract is adopted as carrier
With extracting method of the present invention, seaweed slag utilization rate can be effectively improved,
（2）One kind of the present invention contains seaweed slag compound fertilizer, and the addition of organic blends makes the fertilizer efficiency of enhancing fertilizer, simultaneously
More nutriments are provided, the addition of amargosa, coptis powder makes fertilizer have biocidal efficacies, and micron hydroxy-apatite has tool
There is good compatibility, Fertilizer nutrient substance slow release can further be improved long-term effect.
（3）One kind of the present invention contains seaweed slag compound fertilizer, improves seaweed slag utilization rate, at the same by modified sewage sludge with
Seaweed slag interworking, plays cooperative effect, has higher use value and good application prospect.
Specific embodiment
With reference to specific embodiment, the technical solution in the embodiment of the present invention is clearly and completely described, is shown
So, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the reality in the present invention
Apply example, those of ordinary skill in the art's all other embodiments obtained without making creative work all belong to
In the scope of protection of the invention.
Embodiment 1.
One kind of the present embodiment contains seaweed slag compound fertilizer, includes the raw material of following parts by weight：
36 parts of modified sewage sludge, 28 parts of seaweed slag extract, organic-inorganic blending fertile 16 parts, 14 part, micron hydroxyl phosphorus of crushed crude pearlite
8 parts of ash, 6 parts of polyethylene glycol, 3 parts of gelatin, 1 part of amargosa, 1 part of coptis powder, 1 part of potassium fulvate.
The preparation method of the modified sewage sludge of the present embodiment is：Sludge is added in the sulfuric acid solution that mass fraction is 85%,
Then add in the ferric chloride solution that mass fraction is % thereto again, speed of agitator 155r/min then adds in ten thereto again
Sodium dialkyl sulfate, diatomite, speed of agitator 175r/min continue to stir 1h to get modified sewage sludge.
The seaweed slag method for preparing extractive Qi of the present embodiment alkalizes for seaweed slag is added in sodium hydroxide, with
Temperature is placed on to carry out heating water bath 1h in 95 DEG C of distilled water, is filtered after cooling with filter cloth, obtains filtrate, sea is made
Algae-residue extract.
The organic-inorganic blending fertilizer of the present embodiment includes following raw material：
36 parts of wormcast, 32 parts of bacteria residue, 24 parts of humic acid, 18 parts of peat soil, 14 parts of bean cake powder, 12 parts of Diammonium phosphate (DAP), calcium and magnesium phosphorus
Fertile 12 parts, 12 parts of calcium superphosphate.
A kind of preparation method containing seaweed slag compound fertilizer of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Crushed crude pearlite, amargosa, organic-inorganic blending fertilizer are sent into ball mill and carry out ball milling, until grain size is 20 by step 2
Mesh will obtain mixture, coptis powder, potassium fulvate, gelatin and add in homogenizer and mix, and mixing speed 150r/min is stirred
Time 35min is mixed, obtains mixture A；
Step 2 is obtained mixture A, modified sewage sludge, seaweed slag extract, micron hydroxy-apatite, polyethylene glycol and added by step 3
Enter in high-speed mixer and mix, mixing speed 1250r/min, mixing time answering containing seaweed slag to get the present invention for 45min
Mould assembly fertilizer.
Embodiment 2.
One kind of the present embodiment contains seaweed slag compound fertilizer, includes the raw material of following parts by weight：
42 parts of modified sewage sludge, 32 parts of seaweed slag extract, organic-inorganic blending fertile 22 parts, 18 part, micron hydroxyl phosphorus of crushed crude pearlite
12 parts of ash, 10 parts of polyethylene glycol, 5 parts of gelatin, 3 parts of amargosa, 3 parts of coptis powder, 2 parts of potassium fulvate.
The preparation method of the modified sewage sludge of the present embodiment is：Sludge is added in the sulfuric acid solution that mass fraction is 85%,
Then add in the ferric chloride solution that mass fraction is 2% thereto again, speed of agitator 165r/min is then added in thereto again
Lauryl sodium sulfate, diatomite, speed of agitator 185r/min continue to stir 2h to get modified sewage sludge.
The seaweed slag method for preparing extractive Qi of the present embodiment alkalizes for seaweed slag is added in sodium hydroxide, with
Temperature is placed on to carry out heating water bath 2h in 105 DEG C of distilled water, is filtered after cooling with filter cloth, obtains filtrate, be made
Seaweed slag extract.
The organic-inorganic blending fertilizer of the present embodiment includes following raw material：
42 parts of wormcast, 36 parts of bacteria residue, 28 parts of humic acid, 22 parts of peat soil, 16 parts of bean cake powder, 16 parts of Diammonium phosphate (DAP), calcium and magnesium phosphorus
Fertile 16 parts, 16 parts of calcium superphosphate.
A kind of preparation method containing seaweed slag compound fertilizer of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Crushed crude pearlite, amargosa, organic-inorganic blending fertilizer are sent into ball mill and carry out ball milling, until grain size is 100 by step 2
Mesh will obtain mixture, coptis powder, potassium fulvate, gelatin and add in homogenizer and mix, and mixing speed 250r/min is stirred
Time 45min is mixed, obtains mixture A；
Step 2 is obtained mixture A, modified sewage sludge, seaweed slag extract, micron hydroxy-apatite, polyethylene glycol and added by step 3
Enter in high-speed mixer and mix, mixing speed 1350r/min, mixing time answering containing seaweed slag to get the present invention for 55min
Mould assembly fertilizer.
Embodiment 3.
One kind of the present embodiment contains seaweed slag compound fertilizer, includes the raw material of following parts by weight：
39 parts of modified sewage sludge, 30 parts of seaweed slag extract, organic-inorganic blending fertile 19 parts, 16 part, micron hydroxyl phosphorus of crushed crude pearlite
10 parts of ash, 8 parts of polyethylene glycol, 4 parts of gelatin, 2 parts of amargosa, 2 parts of coptis powder, 1.5 parts of potassium fulvate.
The preparation method of the modified sewage sludge of the present embodiment is：Sludge is added in the sulfuric acid solution that mass fraction is 85%,
Then add in the ferric chloride solution that mass fraction is 1.5% thereto again, speed of agitator 160r/min then adds thereto again
Enter lauryl sodium sulfate, diatomite, speed of agitator 180r/min continues to stir 1.5h to get modified sewage sludge.
The seaweed slag method for preparing extractive Qi of the present embodiment alkalizes for seaweed slag is added in sodium hydroxide, with
Temperature is placed on to carry out heating water bath 1.5h in 100 DEG C of distilled water, is filtered after cooling with filter cloth, obtains filtrate, made
Obtain seaweed slag extract.
The organic-inorganic blending fertilizer of the present embodiment includes following raw material：
39 parts of wormcast, 34 parts of bacteria residue, 26 parts of humic acid, 20 parts of peat soil, 15 parts of bean cake powder, 14 parts of Diammonium phosphate (DAP), calcium and magnesium phosphorus
Fertile 14 parts, 14 parts of calcium superphosphate.
A kind of preparation method containing seaweed slag compound fertilizer of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Crushed crude pearlite, amargosa, organic-inorganic blending fertilizer are sent into ball mill and carry out ball milling, until grain size is 60 by step 2
Mesh will obtain mixture, coptis powder, potassium fulvate, gelatin and add in homogenizer and mix, and mixing speed 200r/min is stirred
Time 40min is mixed, obtains mixture A；
Step 2 is obtained mixture A, modified sewage sludge, seaweed slag extract, micron hydroxy-apatite, polyethylene glycol and added by step 3
Enter in high-speed mixer and mix, mixing speed 1300r/min, mixing time answering containing seaweed slag to get the present invention for 50min
Mould assembly fertilizer.
It draws a conclusion by many experiments and performance test, in embodiment 1-3, one kind of the invention, which contains seaweed slag, answers
Mould assembly fertilizer improves seaweed slag utilization rate, while by modified sewage sludge and seaweed slag interworking, plays cooperative effect, with higher
Use value and good application prospect.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. one kind contains seaweed slag compound fertilizer, which is characterized in that includes the raw material of following parts by weight：
36-42 parts of modified sewage sludge, 28-32 parts of seaweed slag extract, 16-22 parts of fertilizer of organic-inorganic blending, crushed crude pearlite 14-18
Part, 8-12 parts of micron hydroxy-apatite, 6-10 parts of polyethylene glycol, 3-5 parts of gelatin, 1-3 parts of amargosa, 1-3 parts of coptis powder, yellow corruption
Sour potassium 1-2 parts.
2. one kind according to claim 1 contains seaweed slag compound fertilizer, which is characterized in that the seaweed slag is compound
Fertilizer includes the raw material of following parts by weight：
39 parts of modified sewage sludge, 30 parts of seaweed slag extract, organic-inorganic blending fertile 19 parts, 16 part, micron hydroxyl phosphorus of crushed crude pearlite
10 parts of ash, 8 parts of polyethylene glycol, 4 parts of gelatin, 2 parts of amargosa, 2 parts of coptis powder, 1.5 parts of potassium fulvate.
3. one kind according to claim 1 or 2 contains seaweed slag compound fertilizer, which is characterized in that the modified sewage sludge
Preparation method be：Sludge is added in the sulfuric acid solution that mass fraction is 85%, then adding in mass fraction thereto again is
The ferric chloride solution of 1-2%, speed of agitator 155-165r/min then add in lauryl sodium sulfate, diatom thereto again
Soil, speed of agitator 175-185r/min continue to stir 1-2h to get modified sewage sludge.
4. one kind according to claim 1 contains seaweed slag compound fertilizer, which is characterized in that the seaweed slag extract
Preparation method Qi alkalizes for seaweed slag is added in sodium hydroxide, be subsequently placed at temperature in 95-105 DEG C of distilled water into
Row heating water bath 1-2h, is filtered with filter cloth, obtains filtrate after cooling, and seaweed slag extract is made.
5. one kind according to claim 1 contains seaweed slag compound fertilizer, which is characterized in that the organic-inorganic blending
Fertilizer includes following raw material：
36-42 parts of wormcast, 32-36 parts of bacteria residue, 24-28 parts of humic acid, 18-22 parts of peat soil, 14-16 parts of bean cake powder, phosphoric acid
12-16 parts of diammonium, 12-16 parts of calcium magnesium phosphate, 12-16 parts of calcium superphosphate.
6. one kind according to claim 5 contains seaweed slag compound fertilizer, which is characterized in that the organic mixed fertilizer packet
Include following raw material：
39 parts of wormcast, 34 parts of bacteria residue, 26 parts of humic acid, 20 parts of peat soil, 15 parts of bean cake powder, 14 parts of Diammonium phosphate (DAP), calcium and magnesium phosphorus
Fertile 14 parts, 14 parts of calcium superphosphate.
7. a kind of prepare the method for containing seaweed slag compound fertilizer such as claim 1-6 any one of them, which is characterized in that
Include the following steps：
Step 1 weighs each component raw material as required；
Crushed crude pearlite, amargosa, organic-inorganic blending fertilizer are sent into ball mill and carry out ball milling, until grain size is 20- by step 2
100 mesh will obtain mixture, coptis powder, potassium fulvate, gelatin and add in homogenizer and mix, mixing speed 150-250r/
Min, mixing time 35-45min obtain mixture A；
Step 2 is obtained mixture A, modified sewage sludge, seaweed slag extract, micron hydroxy-apatite, polyethylene glycol and added by step 3
Enter in high-speed mixer and mix, mixing speed 1250-1350r/min, mixing time containing to get the present invention for 45-55min
Seaweed slag compound fertilizer.
A kind of 8. preparation method containing seaweed slag compound fertilizer according to claim 7, which is characterized in that the system
It is for step：
Step 1 weighs each component raw material as required；
Crushed crude pearlite, amargosa, organic-inorganic blending fertilizer are sent into ball mill and carry out ball milling, until grain size is 60 by step 2
Mesh will obtain mixture, coptis powder, potassium fulvate, gelatin and add in homogenizer and mix, and mixing speed 200r/min is stirred
Time 40min is mixed, obtains mixture A；
Step 2 is obtained mixture A, modified sewage sludge, seaweed slag extract, micron hydroxy-apatite, polyethylene glycol and added by step 3
Enter in high-speed mixer and mix, mixing speed 1300r/min, mixing time answering containing seaweed slag to get the present invention for 50min
Mould assembly fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281802.2A CN108164352A (en) | 2018-04-02 | 2018-04-02 | One kind contains seaweed slag compound fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281802.2A CN108164352A (en) | 2018-04-02 | 2018-04-02 | One kind contains seaweed slag compound fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN108164352A true CN108164352A (en) | 2018-06-15 |
Family
ID=62511419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810281802.2A Withdrawn CN108164352A (en) | 2018-04-02 | 2018-04-02 | One kind contains seaweed slag compound fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108164352A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169974A (en) * | 1996-06-25 | 1998-01-14 | 昆明双凤宏科有机肥厂 | Fertilizer made from algae residue and sludge and preparation thereof |
| CN103193525A (en) * | 2013-04-17 | 2013-07-10 | 领先生物农业股份有限公司 | Production method for sargassum liquid fertilizer |
| CN105061022A (en) * | 2015-07-28 | 2015-11-18 | 山东天科生物科技有限公司 | Seaweed extract-containing fertilizer and preparation method thereof |
-
2018
- 2018-04-02 CN CN201810281802.2A patent/CN108164352A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169974A (en) * | 1996-06-25 | 1998-01-14 | 昆明双凤宏科有机肥厂 | Fertilizer made from algae residue and sludge and preparation thereof |
| CN103193525A (en) * | 2013-04-17 | 2013-07-10 | 领先生物农业股份有限公司 | Production method for sargassum liquid fertilizer |
| CN105061022A (en) * | 2015-07-28 | 2015-11-18 | 山东天科生物科技有限公司 | Seaweed extract-containing fertilizer and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 尹飞虎主编: "《滴灌 随水施肥技术理论与实践》", 31 December 2013, 北京：中国科学技术出版社 * |
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Application publication date: 20180615 |
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