CN113717005A - Nitrogen, phosphorus and potassium compound fertilizer containing alginic acid and preparation process thereof - Google Patents
Nitrogen, phosphorus and potassium compound fertilizer containing alginic acid and preparation process thereof Download PDFInfo
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- CN113717005A CN113717005A CN202111172173.8A CN202111172173A CN113717005A CN 113717005 A CN113717005 A CN 113717005A CN 202111172173 A CN202111172173 A CN 202111172173A CN 113717005 A CN113717005 A CN 113717005A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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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
- C05G3/60—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
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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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- 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
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0084—Guluromannuronans, e.g. alginic acid, i.e. D-mannuronic acid and D-guluronic acid units linked with alternating alpha- and beta-1,4-glycosidic bonds; Derivatives thereof, e.g. alginates
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Life Sciences & Earth Sciences (AREA)
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- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
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- Materials Engineering (AREA)
- General Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention relates to the technical field of compound fertilizer production, in particular to a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid and a preparation process thereof. The material comprises: alginic acid powder, urea, animal bones, potassium carbonate and biogas slurry. The alginic acid contains a natural compound sodium alginate which can be used as a soil conditioner, promotes the formation of a soil aggregate structure, improves the internal void space of soil, and is coordinated with the proportion of solid, liquid and gas in the soil, so that the balance of natural colloid lost due to over-heavy soil burden and chemical pollution is recovered, the biological activity of the soil is increased, quick-acting nutrients need to be released, probiotics in the soil are activated, the root growth of crops is facilitated, the stress resistance of the crops is improved, and the content of phosphorus and nitrogen can be increased and the higher fertilizer efficiency is improved by adopting a mode of cooking, removing grease and bone glue and then crushing the animal bones.
Description
Technical Field
The invention relates to the technical field of compound fertilizer production, in particular to a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid and a preparation process thereof.
Background
The compound fertilizer is a chemical fertilizer containing any two or three of crop nutrient elements of nitrogen, phosphorus and potassium, which is prepared by a chemical method or (and) a mixing method, mainly provides necessary nutrient components for the growth of crops, and plays an important role in the yield and the quality of agricultural products.
However, the compound fertilizer on the market at present has single function, has poor soil conditioning effect and is not beneficial to the growth of agricultural product roots. Therefore, the technical personnel in the field provide a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid and a preparation process thereof, so as to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid and a preparation process thereof, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid comprises the following materials in parts by weight: 25-28 parts of alginic acid powder, 37-40 parts of urea, 15-20 parts of animal bones, 15-20 parts of potassium carbonate and 10-15 parts of biogas slurry.
As a further aspect of the invention: the material comprises the following materials in parts by weight: 28 parts of alginic acid powder, 37 parts of urea, 20 parts of animal bones, 15 parts of potassium carbonate and 15 parts of biogas slurry.
As a further aspect of the invention: a preparation process of a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid comprises the following preparation steps:
s1: putting alginic acid powder into an electric heating stirrer, adding a proper amount of clear water, uniformly stirring, and reacting for 5 hours at the temperature of 60-68 ℃ to obtain a alginic acid solution;
s2: cracking animal bones, putting the animal bones into a steam boiler, steaming for 4-4.5h to remove grease and bone glue, taking out the animal bones, drying, cooling, drying, crushing and sieving by a 60-mesh sieve to obtain degummed bone powder, wherein the degummed bone powder contains more than 30% of phosphorus and 0.5-1% of nitrogen and has higher fertilizer efficiency;
s3: putting the urea, the degummed bone meal, the potassium carbonate and the biogas slurry into a stirrer, fully and uniformly stirring, and then granulating and drying to obtain nitrogen-phosphorus-potassium compound fertilizer particles;
s4: and (3) placing the obtained nitrogen-phosphorus-potassium compound fertilizer particles into a rotating drum for preheating treatment, further uniformly spraying the alginic acid solution on the surfaces of the nitrogen-phosphorus-potassium compound fertilizer particles through a high-pressure spray gun, and drying to obtain the finished product of the alginic acid-containing nitrogen-phosphorus-potassium compound fertilizer.
As a further aspect of the invention: the alginic acid powder is extracted from kelp, and the specific extraction method comprises the following steps:
a1: putting the kelp into a container, adding clear water which is 15 times of the weight of the kelp, soaking for 4 hours at normal temperature, taking out the kelp after soaking, and washing the kelp by using the clear water for later use;
a2: cutting cleaned herba Zosterae Marinae into small pieces, adding sodium carbonate for digestion until herba Zosterae Marinae becomes pasty, vacuum filtering, diluting with water when there are few impurities in the filtrate, and continuously vacuum filtering to obtain clean transparent solution;
a3: slowly adding dilute hydrochloric acid into the transparent solution, stopping when floccules appear in the transparent solution, standing for 8h, adding dilute hydrochloric acid again to adjust the pH value to 1, separating out acid clots, filtering, taking out the acid clots, drying and crushing to obtain alginic acid powder.
As a further aspect of the invention: the addition amount of the clear water in the S1 is 3 times of the self weight of the alginic acid powder, the stirring speed is 540r/min, and the stirring time is 30 min.
As a further aspect of the invention: in S3, the stirring speed of the stirrer is 720r/min, and the stirring temperature is 60-65 ℃.
As a further aspect of the invention: in S4, the preheating temperature is 42-46 ℃, the drying temperature is 72-78 ℃, and the drying time is 60 min.
Compared with the prior art, the invention has the beneficial effects that: the alginic acid contains a natural compound sodium alginate which can be used as a soil conditioner, promotes the formation of a soil aggregate structure, improves the internal void space of soil, and is coordinated with the proportion of solid, liquid and gas in the soil, so that the balance of natural colloid lost due to the over-burden of the soil and chemical pollution is recovered, the biological activity of the soil is increased, quick-acting nutrients need to be released, probiotics in the soil are activated, the root growth of crops is facilitated, the stress resistance of the crops is improved, the livestock bone is crushed after being boiled to remove grease and bone glue, can increase the content of phosphorus and nitrogen, improve higher fertilizer efficiency, has very obvious inhibition capability of biogas slurry on plant pathogenic bacteria, the flora metabolite contained in the fertilizer can promote the growth of crops, help the soil to increase the resistance of the crops to diseases and insect pests and effectively improve the overall growth vigor and survival rate of the crops.
Detailed Description
Example 1
In the embodiment of the invention, the nitrogen-phosphorus-potassium compound fertilizer containing alginic acid comprises the following materials in parts by weight: 25 parts of alginic acid powder, 40 parts of urea, 15 parts of animal bones, 20 parts of potassium carbonate and 10 parts of biogas slurry.
A preparation process of a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid comprises the following preparation steps:
s1: putting alginic acid powder into an electric heating stirrer, adding a proper amount of clear water, uniformly stirring, and reacting for 5 hours at 68 ℃ to obtain a alginic acid solution;
s2: cracking animal bones, putting the animal bones into a steam boiler, steaming for 4-4.5h to remove grease and bone glue, taking out the animal bones, drying, cooling, drying, crushing and sieving by a 60-mesh sieve to obtain degummed bone powder, wherein the degummed bone powder contains more than 30% of phosphorus and 0.5-1% of nitrogen and has higher fertilizer efficiency;
s3: putting the urea, the degummed bone meal, the potassium carbonate and the biogas slurry into a stirrer, fully and uniformly stirring, and then granulating and drying to obtain nitrogen-phosphorus-potassium compound fertilizer particles;
s4: and (3) placing the obtained nitrogen-phosphorus-potassium compound fertilizer particles into a rotating drum for preheating treatment, further uniformly spraying the alginic acid solution on the surfaces of the nitrogen-phosphorus-potassium compound fertilizer particles through a high-pressure spray gun, and drying to obtain the finished product of the alginic acid-containing nitrogen-phosphorus-potassium compound fertilizer.
Further, the alginic acid powder is extracted from the kelp, and the specific extraction method comprises the following steps:
a1: putting the kelp into a container, adding clear water which is 15 times of the weight of the kelp, soaking for 4 hours at normal temperature, taking out the kelp after soaking, and washing the kelp by using the clear water for later use;
a2: cutting cleaned herba Zosterae Marinae into small pieces, adding sodium carbonate for digestion until herba Zosterae Marinae becomes pasty, vacuum filtering, diluting with water when there are few impurities in the filtrate, and continuously vacuum filtering to obtain clean transparent solution;
a3: slowly adding dilute hydrochloric acid into the transparent solution, stopping when floccules appear in the transparent solution, standing for 8h, adding dilute hydrochloric acid again to adjust the pH value to 1, separating out acid clots, filtering, taking out the acid clots, drying and crushing to obtain alginic acid powder.
Furthermore, the addition amount of the clear water in the S1 is 3 times of the self weight of the alginic acid powder, the stirring speed is 540r/min, and the stirring time is 30 min.
Further, in S3, the stirring speed of the stirrer was 720r/min, and the stirring temperature was 65 ℃.
Further, in S4, the preheating temperature is 46 ℃, the drying temperature is 78 ℃, and the drying time is 60 min.
Example 2
The preparation was carried out exactly according to the protocol of example 1, differing from example 1 by: a nitrogen-phosphorus-potassium compound fertilizer containing alginic acid comprises the following materials in parts by weight: 25 parts of alginic acid powder, 40 parts of urea, 15 parts of animal bones, 20 parts of potassium carbonate and 10 parts of biogas slurry.
S1: putting alginic acid powder into an electric heating stirrer, adding a proper amount of clear water, uniformly stirring, and reacting for 5 hours in an environment at 60 ℃ to obtain a alginic acid solution;
further, in S3, the stirring speed of the stirrer was 720r/min, and the stirring temperature was 60 ℃.
Further, in S4, the preheating temperature is 42 ℃, the drying temperature is 72 ℃, and the drying time is 60 min.
Examples of the experiments
Experimental groups were as follows: example 1, example 2 and comparative example (same type of fertilizer common on the market);
experimental crops: leaf of Chinese lettuce;
the experimental method comprises the following steps: three farmlands with similar soil quality (the area of each farmland is 1 mu) are selected to plant the same variety of leaf lettuce, the three farmlands are respectively fertilized by the products of the examples 1 and 2 and the comparative example 1, and the survival rate, the dead plant number, the single plant quality and the acre yield of the leaf lettuce are recorded;
the experimental results are as follows:
survival rate
| Random regional spot test plant number | Number of surviving plants | Number of dead plants | Survival rate | |
| Example 1 | 2000 | 1986 | 14 | 99.3% |
| Example 2 | 2000 | 1926 | 74 | 96.3%87.95 |
| Comparative example | 2000 | 1759 | 241 | 87.95 |
Quality of individual plant and yield per mu
| Investigation of plant number | Plant height | Number of blades | Weight per plant G | Mu yield (KG) | |
| Example 1 | 100 | 32.6 | 16 | 113 | 2673.4 |
| Example 2 | 100 | 30.9 | 14 | 107 | 2582.7 |
| Comparative example | 100 | 25.7 | 13 | 87 | 2215.3 |
By combining the data, the application can be obviously shown that the products prepared in the embodiments 1 and 2 have higher viability and growth progress in the crop planting process, the unit per mu yield is effectively improved, the income is increased for agricultural planting, and compared with the experimental data of the embodiment 1 and the embodiment, the effect of the comparative example is more downwind and the effect is general.
In summary, the following steps: the alginic acid contains a natural compound sodium alginate which can be used as a soil conditioner, promotes the formation of a soil aggregate structure, improves the internal void space of soil, and is coordinated with the proportion of solid, liquid and gas in the soil, so that the balance of natural colloid lost due to the over-burden of the soil and chemical pollution is recovered, the biological activity of the soil is increased, quick-acting nutrients need to be released, probiotics in the soil are activated, the root growth of crops is facilitated, the stress resistance of the crops is improved, the livestock bone is crushed after being boiled to remove grease and bone glue, can increase the content of phosphorus and nitrogen, improve higher fertilizer efficiency, has very obvious inhibition capability of biogas slurry on plant pathogenic bacteria, the flora metabolite contained in the fertilizer can promote the growth of crops, help the soil to increase the resistance of the crops to diseases and insect pests and effectively improve the overall growth vigor and survival rate of the crops.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (7)
1. The nitrogen-phosphorus-potassium compound fertilizer containing alginic acid is characterized by comprising the following materials in parts by weight: 25-28 parts of alginic acid powder, 37-40 parts of urea, 15-20 parts of animal bones, 15-20 parts of potassium carbonate and 10-15 parts of biogas slurry.
2. The alginic acid-containing NPK compound fertilizer as claimed in claim 1, which comprises the following materials in parts by weight: 28 parts of alginic acid powder, 37 parts of urea, 20 parts of animal bones, 15 parts of potassium carbonate and 15 parts of biogas slurry.
3. The preparation process of the nitrogen, phosphorus and potassium alginate-containing compound fertilizer according to any one of claims 1 to 2, which is characterized by comprising the following preparation steps:
s1: putting alginic acid powder into an electric heating stirrer, adding a proper amount of clear water, uniformly stirring, and reacting for 5 hours at the temperature of 60-68 ℃ to obtain a alginic acid solution;
s2: cracking animal bones, placing in a steam pot, steaming for 4-4.5h to remove oil and bone glue, taking out animal bones, air drying, cooling, drying, pulverizing, and sieving with a 60-mesh sieve to obtain degummed bone powder;
s3: putting the urea, the degummed bone meal, the potassium carbonate and the biogas slurry into a stirrer, fully and uniformly stirring, and then granulating and drying to obtain nitrogen-phosphorus-potassium compound fertilizer particles;
s4: and (3) placing the obtained nitrogen-phosphorus-potassium compound fertilizer particles into a rotating drum for preheating treatment, further uniformly spraying the alginic acid solution on the surfaces of the nitrogen-phosphorus-potassium compound fertilizer particles through a high-pressure spray gun, and drying to obtain the finished product of the alginic acid-containing nitrogen-phosphorus-potassium compound fertilizer.
4. The process for preparing the nitrogen, phosphorus and potassium compound fertilizer containing alginic acid as claimed in claim 3, wherein the alginic acid powder is extracted from kelp by the specific extraction method as follows:
a1: putting the kelp into a container, adding clear water which is 15 times of the weight of the kelp, soaking for 4 hours at normal temperature, taking out the kelp after soaking, and washing the kelp by using the clear water for later use;
a2: cutting cleaned herba Zosterae Marinae into small pieces, adding sodium carbonate for digestion until herba Zosterae Marinae becomes pasty, vacuum filtering, diluting with water when there are few impurities in the filtrate, and continuously vacuum filtering to obtain clean transparent solution;
a3: slowly adding dilute hydrochloric acid into the transparent solution, stopping when floccules appear in the transparent solution, standing for 8h, adding dilute hydrochloric acid again to adjust the pH value to 1, separating out acid clots, filtering, taking out the acid clots, drying and crushing to obtain alginic acid powder.
5. The preparation process of the alginic acid-containing NPK compound fertilizer as claimed in claim 3, wherein the addition amount of clear water in S1 is 3 times of the self weight of the alginic acid powder, the stirring speed is 540r/min, and the stirring time is 30 min.
6. The preparation process of the alginic acid-containing NPK compound fertilizer as claimed in claim 3, wherein the stirring speed of the stirrer in S3 is 720r/min, and the stirring temperature is 60-65 ℃.
7. The preparation process of the alginic acid-containing NPK compound fertilizer as claimed in claim 3, wherein the preheating temperature in S4 is 42-46 ℃, the drying temperature is 72-78 ℃, and the drying time is 60 min.
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Cited By (1)
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| CN116836025A (en) * | 2023-07-05 | 2023-10-03 | 广州市阔途生物科技有限公司 | Alginic acid-containing nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116836025A (en) * | 2023-07-05 | 2023-10-03 | 广州市阔途生物科技有限公司 | Alginic acid-containing nitrogen-phosphorus-potassium compound fertilizer and preparation method thereof |
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Application publication date: 20211130 |